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Stop guessing what sends your glucose up

Your sensor shows you the curve. GlucoBeat helps you understand it

Relate meals, exercise, sleep and medication to your glucose and discover which patterns repeat in your own data: how much you rose after each meal, how long it took to come back and what changed when you went for a walk. It works best with FreeStyle Libre, which brings in your readings without typing a thing, but any meter will do.

Start for freeHow it works

Free. No card.

Using FreeStyle Libre? See how it connects and what it adds

A day with GlucoBeat

Example
Your glucose Target range 70–180 Sleep
What you do → how your glucose responds

You log what you do. GlucoBeat shows you what happened next

Every meal, every walk, every insulin dose is an event. GlucoBeat follows your glucose over the next few hours and tells you its consequence in clear numbers, so you don't have to guess it from the curve.

  1. Bring your readings

    Import the LibreView CSV with your whole history or connect LibreLinkUp so new readings arrive on their own. Using another meter? Log your readings by hand.

  2. Log what you do

    Meals, exercise, insulin, medication or sleep, in seconds: the log button is always at hand, at the top of every screen, with the time already filled in.

  3. See what happened

    For every event: how much you went up, how fast, when you got back to your level and whether you left your range.

Who is GlucoBeat for?

The app adapts to your type of diabetes, and if you don't have diabetes, too.

Type 2 diabetes

Food, walks and medication: the cleanest case to see what repeats.

Type 1 diabetes

Every meal read with insulin and exercise next to it. Never doses.

No diabetes

Tracking with a sensor to know yourself, no clinical vocabulary.

Families

Your children, your parents… how each one is doing, on a single page.

Your dashboard

Every meal, with what it did to you

When you open GlucoBeat you see your latest meals at a glance: what you ate, how much it raised you and what your glucose did over the next three hours. No need to open the day or guess from the curve.

  • The peak of every meal, in numbers.
  • The curve of the next 3 hours, with your range behind it.
  • Compare: the same dish, with a walk and without.

Your latest meals

Example
  • Toast with tomato and coffee
    Today, 8:40 · Peak +38 mg/dL
  • Margherita pizza
    Yesterday, 21:30 · Peak +92 mg/dL
  • Chicken and rice with a 20-minute walk
    Yesterday, 14:15 · Peak +74 mg/dL
  • Chicken and rice
    Monday, 14:05 · Peak +146 mg/dL
  • Salmon salad
    Sunday, 13:50 · Peak +21 mg/dL
Learn from your data

Find out what works for you. Check it with your own data

Only what happened in your diary, with how many times it was seen, in what range and with what confidence. The more you log, the more it knows about you.

Your usual response

Example

Chicken with rice

Times logged
7
Median rise
+54 mg/dL
Usual range
+39 to +71
Peak at
62–88 min
Back to starting level
2 h 35 min
With a walk after
+31 mg/dL (3 times)
Without a walk
+68 mg/dL (4 times)
Confidence
Medium

You can't see this by looking at the curve: the same meal, seven times, with what changed when you walked afterwards.

A one-page report

To take to your appointment. At the top, the standard figures your care team uses; below, what repeats in your diary.

  • Time in range, below and above, variability and GMI.
  • Your typical day (AGP profile).
  • Repeated meals, late versus early dinner, exercise and nights with lows.
  • Free, and whoever follows you can download it too.

Experiments

Example

You choose what to compare. GlucoBeat pools what you log from then on and shows you the medians once there are enough observations.

A walk after dinnerWith a walkWithout
Comparable dinners55
Median rise+37+71 mg/dL
Minutes above 1801246
Back to previous level112 min168 min

In these 10 observations, dinners followed by a walk were followed by a smaller rise. Medium confidence.

Artificial intelligence

AI that reads your data, not generic tables

GlucoBeat uses artificial intelligence models to help you understand your own data, not generic tables: how meals similar to the one you fancy went for you and what repeats in your glucose week after week.

How would this affect me?

It doesn't stop at the carbs on the plate: it starts from how similar meals went for you, at this time of day and with the glucose you have right now.

  • First, your data: how similar meals went for you.
  • It starts from your glucose now, its trend and what you've done in the last few hours.
  • It takes the time into account: lunch and dinner don't sit the same.
  • It shows your usual response in your data, an estimate with a range and what tends to make a difference.

How would eating this affect me?

Real example A GlucoBeat result with a real user's data, in full as the AI wrote it (translated from Spanish). No dates: they're personal data.

chicken with rice

Your data

3 similar meals in your diary: median rise +91, usually between +52 and +108. Peak around 132 minutes.

  • In 67% you went above your range.
  • With exercise within the next 2 h: not yet 2 meals. Without: +91 (3 times).
Medium confidence
-250+25+50+75+100+1250+1h+2h+3hSalad, pork loin and fried egg. Rice pudding. · 5 Sept 2026, 15:12grilled chicken breast, boiled vegetables and gazpacho · 6 Sept 2026, 22:03Portuguese salad and chicken sandwich. · 7 Sept 2026, 10:45

Each line is one of your meals: how glucose changed compared to before eating; the thick one is the average. What happened in your data, no AI: associations, not causes. · Want to check it? Open an experiment

AI estimate

Moderate rise likely

With white rice involved, a moderate to sizeable rise is likely, although your history with similar meals is limited and mixed.

Your history + general knowledgeLow confidence
Estimated rise+40 / +80mg/dL
Estimated peak131 / 171mg/dLaround 120 minutes in
Estimated carbs≈ 50 g

Portion considered: Grilled chicken breast (~150 g) with a plate of white rice (~200 g cooked, ~50 g of carbohydrates), no extra sauces

General information

Why. Your current glucose is 91 mg/dL, steady and with no recent events, so the rise will start from a low level within your range. I don't have an identical plain 'chicken with rice' meal in your history. The most similar meal without rice (grilled chicken breast with vegetables and gazpacho) barely rose 12 mg/dL, which confirms that chicken on its own is not the issue; white rice does add a sizeable carbohydrate load with fast-rise potential. Other meals of yours with similar carbohydrates (rice pudding, chicken sandwich, burger) produced rises of 71 to 124 mg/dL, some above your target range. Your aggregated usual response (median 91, range 52-108) is based on those three heterogeneous meals, not on plain chicken with rice, so I use it as a broad reference but not as an exact prediction. Your usual midday response (72 mg/dL on average) includes many low-carbohydrate meals (eggs, nuts), so it probably underestimates the real effect of the rice. All in all, I expect a rise of between 40 and 80 mg/dL, with the peak 120 to 150 minutes after eating.

What tends to make a difference

  1. A smaller portion of rice usually cuts most of the rise
  2. In your data, eating vegetables or protein before the rice tends to soften the peak
  3. Brown rice, or letting it cool a little before eating, usually rises more slowly than freshly cooked white rice
  4. Logging the exact amount of rice next time will help refine this estimate with your own data

To fine-tune it next time, also tell us:

  • amount of rice (in grams or a household measure)
  • type of rice (white or brown)
  • whether it comes with any sauce, oil or extra side
  • amount of chicken
AI-generated. Content generated by artificial intelligence. It may contain errors and is not medical advice.

Analyse how you're doing

Pick a period and the AI goes through your readings and everything you've logged to tell you what keeps repeating.

  • Which meals raise you most and which barely move you.
  • How exercise affects you, including the following night.
  • At what times you tend to go low and what usually comes before.
  • Concrete questions to take to your appointment.

AI analysis

Real example A GlucoBeat result with a real user's data, in full as the AI wrote it (translated from Spanish). No dates: they're personal data.

Good overall control this week, with a few peaks after dinner and an overnight drop to keep an eye on

Glucose over the analysed period

Your glucose Target range 70–180

Summary

Overall your week shows good control: you spent 98.2% of the time within your target range, with an average of 111 mg/dL and variability (CV 19.7%) within the usual. The estimated GMI (6%) is only an approximation based on average glucose; it is not the same as a lab HbA1c.

Looking at the meals you logged, some dinners (like hard-boiled egg with Yatekomo noodles, or Saturday's grill) were associated with sharper rises, while others (chistorra, longaniza sausage) barely moved your glucose. As there are few examples of each and some coincide with nearby exercise, it's best taken as a clue rather than a firm conclusion.

There's also a notable drop during the night from Friday to Saturday, starting from a higher level than usual before bed and getting close to the low limit. The moderate walks you logged (only 2 sessions) showed no clear difference from days without exercise in terms of later drops, but the sample is small.

Day 4 stands out for having more variability and somewhat more time above 180 mg/dL, but no meals or exercise were logged that day, so it can't be linked to a specific cause from this data.

What we found

Food ObservationLow confidence

Some dinners were followed by bigger rises

In your data, three meals (a salad with a sandwich right after a walk, hard-boiled egg with Yatekomo noodles, and a grill) were followed by rises of between +66 and +91 mg/dL over the next two hours. One of them happened very close to an exercise session, which adds uncertainty about what had more influence.

+88, +73 and +66 mg/dL peak within 120 min (n=3 meals)

Food Works for youLow confidence

Other meals barely moved glucose

In contrast, other meals from the same weekend (chistorra with pork secreto, longaniza sausage, hard-boiled eggs with gazpacho) showed much smaller rises or even slight drops, which suggests that not all meals have the same effect for you.

peak between -15 and +27 mg/dL (n=3 meals)

Lows Keep an eye onLow confidence

Notable overnight drop after a higher-level dinner

On the night from Friday to Saturday, starting from 164 mg/dL at bedtime, your glucose fell steadily until it came close to the low end of the range (an approximate nadir of 68 mg/dL, 96 mg/dL below the starting point). It's a single episode in your week, so it's worth seeing whether it happens again.

-96 mg/dL from the start, touching the low limit (n=1 night)

Daily pattern ObservationMedium confidence

Usual rise shortly after waking up

On the three days with a wake-up event logged, your glucose rose consistently in the first hour after getting up, before any meal.

+14 to +24 mg/dL in the first 60-120 min after waking (n=3 days)

Exercise ObservationLow confidence

Moderate walks with no clear difference from days without exercise

The two moderate walks logged showed a slight fall in glucose during the session, and neither was followed by a low in the next 24 hours, similar to the four reference days without exercise (which had no lows either). The sample is too small to draw firm conclusions.

average change of -9 mg/dL during the session, 0 of 2 sessions followed by a low; 0 of 4 reference days with a low

Data quality ObservationMedium confidence

Higher variability on day 4 with no events logged

Day 4 had the highest variability of the week and somewhat more time above 180 mg/dL, but there's no meal, exercise or other event logged that day that would let it be linked to a specific cause.

CV 26.8%, 6.5% of the time above 180 mg/dL, 0 events logged

Questions for your healthcare team

  • Would you expect the overnight drop seen after a dinner with a higher than usual level before bed?
  • What kinds of meals or combinations could explain why some dinners show higher peaks than others in my data?
  • Would it help to log the type and intensity of exercise in more detail to better understand its effect on my glucose?
  • Does it make sense to look into why day 4 showed more variability, even though no events were logged that day?

About your data

  • Only 7 days of data are available and just 2 exercise sessions of the same type and intensity, so the exercise comparisons have little statistical power.
  • Day 4 shows the highest variability of the week but has no event (meal, exercise, etc.) logged, which makes it impossible to link that rise to a specific cause.
  • Event e16 has lower data coverage (56%) and several missing delta values, which limits the reliability of that observation.
  • The daily sensor coverage percentage appears empty on several days, although the overall summary shows 100%; it's worth checking whether the daily log is complete.
  • Several meals happened close to other events (for example, exercise), which makes it hard to know for sure what had more influence on the glucose rise observed.
AI-generated. Content generated by artificial intelligence. It may contain errors and is not medical advice.
Try it for free

The AI only receives a pseudonymised summary of your data, with no name or email, and only when you ask it to. It never gives doses or diagnoses: it helps you understand and arrive at your appointment well informed.

Everything you need to understand yourself

Clear charts

Your day, week and month with zoom. Target range, colour zones, shaded sleep and every event in its place.

Statistics that matter

Time in range, variability, GMI, lows, AGP profile and comparison with the previous period.

Your usual response

The same dish, seven times: median rise, usual range, time to peak and what changed the times you walked afterwards. With its n and its confidence.

How would this affect me?

Type what you fancy: first what happened in your diary with similar meals and, if you want, an AI estimate with a range and what tends to make a difference.

A report for your appointment

One page: time in range, variability, GMI and AGP at the top; what repeats in your diary below. Free, to take to your doctor.

AI analysis

Pick some dates and get concrete patterns: what doesn't suit you, what does, when you tend to go low.

Nothing slips through

If you forget to log a meal, GlucoBeat spots the rise it left in your glucose curve and suggests the approximate time. The app asks you about it: all you do is say what it was.

Share without losing control

Give read-only access to family or your doctor, for as long as you want. Revoke it any time.

Your type, your rules

Type 1, type 2 or no diabetes: the app adapts events, targets and texts to you.

Works with no connection

In a restaurant with no signal you can still log what you eat: it's kept on your phone and uploaded on its own as soon as you're back online. And if you add GlucoBeat to your home screen, it opens instantly, like any other app.

Don't forget your medication

Daily, weekly or fortnightly reminders, at the time you choose. And tapping the notification opens the entry ready to go: all you do is save it.

Experiments

What happens if you go for a walk after dinner? 21 different comparisons: log each situation a few times and GlucoBeat compares with your own data, with its n and its confidence.

Healthcare professionals

Ideal for doctors

If you look after people with diabetes, ask them to share their diary with you: you'll see what really happened between appointments, not what they remember on the day. And you can keep your own notes on each of them, visible only to you.

Create a free accountHow it works for doctors
  • Read-only access, for as long as the patient decides, and revocable by them at any time.
  • Their readings, what they log and the effect it had: meals, exercise, insulin and medication.
  • Your private notes on each patient, right on their card.
  • Every access is on the record: the patient always sees who looked at their data.
  • Their one-page report: the standard figures (TIR, CV, GMI, AGP) and what repeats in their diary, for any period you choose.

GlucoBeat is not a medical device: it doesn't diagnose or recommend doses. It's your patient's diary, in order.

Why GlucoBeat exists

“My sensor told me how much. I wanted to know why”

I'm Diego: I live with diabetes and I work as a CTO as a Service for several startups. I got tired of fighting apps that wouldn't let me zoom in, jump between dates or understand what had thrown my glucose off, so I built the one I needed. And now it's yours too. We don't want to give you more data: we want to help you learn from the data you already have.

Read the full story →

Your health data, treated as what it is

Privacy →
  • Explicit and separate consent for each use. Withdraw it whenever you want.
  • AI only receives a pseudonymised summary, with no name or email, and only when you ask.
  • Download all your data in one click. Delete it forever with email confirmation.
  • Servers in the European Union and GDPR compliance.

Free to start. Premium if you want more AI

The diary, the charts, the statistics, “How would this affect me?” with your historical data, importing your CSV, syncing with LibreLinkUp and sharing are free forever and with no card. The paid plans widen the limits (AI, experiments, reminders) and sync more often.

Free

€0

Forever, and no card needed

  • Event diary, unlimited: meals, exercise, insulin, medication, sleep and notes.
  • Glucose readings, unlimited: by hand, LibreView CSV and LibreLinkUp.
  • Charts, statistics and AGP profile.
  • “How would this affect me?” with your historical data: unlimited queries.
  • Sharing your data read-only with whoever you want.
  • 3 AI analyses in total.
  • 5 AI queries of “How would this affect me?” in total.
  • 1 daily check-in.
  • 2 medication reminders.
  • 1 experiment open at a time.
  • Automatic LibreLinkUp sync every 5 minutes.
Try it free first

PremiumRecommended

€4.92/month

€59 a year, in a single payment

€5.95/month

2 months freeWhat most people need

  • Everything in Free.
  • 8 AI analyses per month.
  • 20 AI queries of “How would this affect me?” per month.
  • 3 daily check-ins.
  • 5 medication reminders.
  • 3 experiments open at a time.
  • Automatic LibreLinkUp sync every 2 minutes.
  • And you keep GlucoBeat alive and independent: no ads, no selling data, and free for those who can't pay.
Try it free first

Premium+

€8.25/month

€99 a year, in a single payment

€9.95/month

2 months freeIf you use the AI a lot

  • Everything in Premium, with more than twice the AI.
  • 20 AI analyses per month.
  • 50 AI queries of “How would this affect me?” per month.
  • Daily check-ins: unlimited.
  • Medication reminders: unlimited.
  • Open experiments: unlimited.
  • Automatic LibreLinkUp sync every minute.
  • And you keep GlucoBeat alive and independent: no ads, no selling data, and free for those who can't pay.
Try it free first
  • Secure payment with Stripe
  • Cancel whenever you want
  • No lock-in
  • Final prices, taxes included

All three plans include the whole diary and charts, unlimited “How would this affect me?” with your historical data, importing your LibreView CSV, syncing with LibreLinkUp, AI analyses and sharing with whoever you want.

The paid plans renew on their own at the end of each period, at the same price, until you cancel: you can do that whenever you want from Settings → My plan, and you keep your plan until the end of the period you have already paid for. By paying you help keep GlucoBeat free for people who can't pay for it.

Compare the three plans in detail
FreePremium€5.95/monthPremium+€9.95/month
Event diaryFreeUnlimitedPremiumUnlimitedPremium+Unlimited
Glucose readingsFreeUnlimitedPremiumUnlimitedPremium+Unlimited
Charts, statistics and AGPFreeIncludedPremiumIncludedPremium+Included
“How would this affect me?” with historical dataFreeUnlimitedPremiumUnlimitedPremium+Unlimited
Read-only sharingFreeIncludedPremiumIncludedPremium+Included
AI analysesFree3 in totalPremium8 per monthPremium+20 per month
AI queries of “How would this affect me?”Free5 in totalPremium20 per monthPremium+50 per month
Daily check-insFree1Premium3Premium+Unlimited
Medication remindersFree2Premium5Premium+Unlimited
Experiments open at a timeFree1Premium3Premium+Unlimited
Automatic LibreLinkUp syncFree5 minutesPremium2 minutesPremium+1 minute
Diabetes blog

Understand what's happening to you

In-depth guides on glucose and diabetes, reviewed by doctors before they are published and written from clinical guidelines, scientific studies and official bodies. To really understand what's happening to you, with the sources in plain sight.

  • Reviewed by doctors before publishing.
  • Every claim checked against its source.
  • No dosing advice: that's your healthcare team's job.
See the blog

Frequently asked questions

Does GlucoBeat replace my doctor?

No. It's a diary that records, visualises and shows correlations in your data. It doesn't diagnose or recommend doses. Use it to arrive at your appointment with clear information.

Does it work with my FreeStyle Libre?

Yes. You can import the official LibreView CSV (Libre 1, 2, 3 and Plus) or enable automatic sync with LibreLinkUp (beta).

How much does it cost?

The diary, the statistics, the charts, “How would this affect me?” with your historical data and sharing are free, with no card and no trial period. Premium and Premium+ widen the limits (AI, experiments, reminders) and sync LibreLinkUp more often: you pay monthly or yearly (with two months free), you cancel whenever you want, and what's free stays free.

What if I don't have diabetes?

You can use it in “tracking only” mode to learn how food, exercise and sleep affect you. It has its own page: GlucoBeat without diabetes.

Do I have to install an app?

You don't need to: it works in the browser. If you install it from the browser itself (“Add to home screen”), it opens instantly and you can receive reminders.

Does it work with no signal?

Yes for what matters: you can log a meal or a note offline and it uploads on its own once you're back online. Seeing your charts does need a connection.

Can it remind me to take my medication?

Yes. You set daily, weekly or fortnightly reminders, and tapping the notification opens the entry ready to save.

What exactly does the AI do?

Only what you ask it to: analyse a period of yours or answer “can I eat this?” using your own history. It receives a pseudonymised summary, never your name or email, and it never recommends doses.

Can I check whether something works for me?

Yes: open an experiment (“a walk after dinner”, “late or early dinner”, “two meals head to head”…) and log each situation a few times. With at least three observations per group, GlucoBeat shows you the medians and the confidence. Associations in your data, not causes or advice.

Can I bring something to my doctor?

Yes: the one-page report, which you download from Statistics for any period. Time in range, variability, GMI and AGP at the top; what repeats in your diary below. Free. And whoever follows you can download it too.

Who sees my data?

Only you and the people you invite, in read-only mode and for the time you choose. Who looked is on the record.

Can I take my data with me, or delete it?

Whenever you like: download everything in one file with one click and delete your account with email confirmation. There's nobody to write to and nothing to wait for.

Start learning from the data you already have

Start for free