Built to make my life easier, and it does. Now it can make your life easier as well

I built this app having lived with Type 1 diabetes for 30 years

Hi, I initially built iSpike to help me count carbs. It wasn't until I'd built it that I realised it had become more than a carb counter, it had become the diabetes friend I'd always wished I'd had.

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My story

I was diagnosed at 29 years old, unusual. My first thought was probably like yours, 'this isn't good, how am I going to manage'. My second thought was, how bad can it be? 30 years later I have an answer for that, and it's not the one I expected.

The hard part of Type 1 isn't the needles. It's the maths. Every meal, every walk, every gym session, every glass of wine — a calculation.

I tried guessing, I tried counting every gram of carbohydrate, by reading labels or searching the Internet, and again guessing. It just felt difficult, as if life wasn't difficult enough.

So in a world of modern technology, I started building iSpike for myself. Just a tool to take a photo of dinner and get a sensible carb number back. But quickly, as I added features, it morphed into the feature packed diabetes friend I now have.

A few Type 1 friends asked if they could try it. Then a few of theirs. So here it is.

Andrew Allen

Type 1, thirty years in. Founder, iSpike.

Real results from real users

Not testimonials we wrote — feedback straight from people using iSpike every day.

It's usually more of a battle being LADA/Type 1 as I come out of the honeymoon period, but iSpike has handled it so well. I was looking at my Libre reports this morning and compared my Time in Range since I've been using iSpike to help with my carb counting and insulin decisions.

93%

Time in Range

90-day average

Below 3.9 mmol/L

All periods

94%

Time in Range

14-day average

Above 13.3 mmol/L

90-day average

I think iSpike has made a real difference to how I'm managing meals and insulin, especially with the carb estimates, active insulin and the way it's learning from my previous meals.

James

LADA / Type 1 · FreeStyle Libre user · iSpike beta tester

Here's what I've built

Real screenshots. Every feature you'll use from day one.

Your day at a glance

The dashboard gives you everything you need in one scroll: today's meals, carbs, exercise, your latest blood glucose reading with an in-range indicator, quick shortcuts to log a correction dose or manual BG reading, and a live CGM widget if you've connected a FreeStyle Libre sensor.

Snap a photo, get your carbs

Point your camera at any meal — or multiple photos if it's a bigger spread. iSpike uses AI to identify the food and estimate the carbs, then shows a calculation based on your own ratios, current blood glucose and active insulin. You check the numbers and decide. Log what you took, including correction doses. Or enter your food by manual description.

Quick actions & Comfort Foods

Enter food manually, search a food database, log exercise, get AI insights, manage your sensitivity profiles, or dive into trends — all one tap away. Plus a Comfort Foods bank so your regular meals are always to hand with an "Eat Again" button to log them instantly.

A complete meal history

Every meal logged, tagged by type — breakfast, snack, lunch, snack, dinner, snack — with the carbs right there. Tap any entry to see the full breakdown, edit it, or add more food.

Trends that actually teach you something

See your blood glucose, carbs and meals plotted over 7, 14 or 30 days. An estimated HbA1c based on your post-meal readings. A breakdown of meals by type. The patterns you never noticed start jumping out. Tap "Analyse My Data" and the AI reviews your logged meals, exercise and blood glucose results, then gives you personalised advice on how you might adjust your routine.

iSpike settings target BG and subscription

Your ratios, your way

Set your insulin-to-carb ratio (ICR), insulin sensitivity factor (ISF), target blood glucose and blood glucose unit. Your personal ratios are displayed alongside each meal, so every calculation uses the numbers your healthcare team gave you — personalised to you, not a textbook average. Your sensitivity profiles adapt as you refine them over time.

iSpike insulin type and action time settings

FreeStyle Libre CGM integration

Connect your FreeStyle Libre CGM sensor for live blood glucose readings synced straight into iSpike. Tap the CGM widget on your dashboard to see an interactive glucose graph with 6h, 12h, 24h and 48h views, time-in-range stats, and your post-meal BG history with AI meal reviews. When it's clinic day, generate a PDF report to share with your care team. No CGM? You can log BG readings manually too.

It learns how food affects you

iSpike remembers how a particular meal affected your blood glucose last time you ate it. Next time you log the same food, it shows you similar meals from your history — what you ate, how many carbs, and what happened to your BG afterwards. Automatic post-meal BG check reminders keep the feedback loop going. Tap any logged meal with a post-meal reading and get an AI-powered review explaining what happened and what it learned. The more you use it, the smarter it gets.

T1D tips they never taught you

25 practical Type 1 diabetes strategies that most people discover by accident — or never at all. Why insulin timing matters, fat & protein effects, the dawn phenomenon, alcohol risks, sick day rules, travelling with insulin, eating out, caffeine, injection site rotation, overnight lows, weather effects, adrenaline spikes, carb counting accuracy, menstrual cycle impacts, diabetes burnout, the honeymoon phase, basal testing, rebound highs, and more. Filterable by category, written in plain language.

Use a Dexcom?

iSpike works with FreeStyle Libre today, and Dexcom G6, G7 and ONE/ONE+ support is ready for early testers. Get in touch and we'll help you connect your Dexcom.

Get in touch

Want to give it a go?

Free to try. No card needed. If it doesn't fit your life, just walk away — no hard feelings.

Try it free

iSpike is not a medical device. It only performs a calculation, based on the numbers given to you by your healthcare professionals and the standard practice of carb counting and insulin-to-carb ratio (ICR). Check all numbers, including the carbohydrate estimate, before making your own decision about how much insulin to take.

Your health data stays private: stored encrypted in the EU, GDPR rights for UK & EU users, encrypted CGM logins, never sold. Privacy policy