Carbol
Carbol
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Carbol

Carb counting, done properly.

BUILT BY A T1D

Carbcounting,doneproperly.

Point your camera at a plate. Get a carb estimate, a confidence score, and suggested insulin units based on your IC ratio.

You confirm
every dose
~5s
estimate time
Photo + voice
two capture modes
CarbolCapture
Chicken tikka masala
HIGH CONFIDENCE

Chicken tikka masala with basmati rice. Sauce-heavy, medium restaurant serve. Garnished with coriander, sliced cucumber and red capsicum. Rice ~1 cup.

72g carbs
7.0units
Confirm dose
Today
Log
Settings

HOW IT WORKS

Threesteps.Aboutthreeseconds.

01
01

Point or describe

Take a photo of the meal, or describe it by voice before it arrives. Voice is useful at restaurants when there's nothing on the table yet and you want to pre-bolus.

02
02

Get the estimate

The app returns carb grams and a confidence score. Low confidence means it flags the uncertainty rather than producing a confident-sounding wrong answer.

03
03

Confirm and bolus

Your IC ratio runs against the estimate. You see suggested units rounded to your dose increment; whole units for disposable pens, half units for cartridge types. You confirm. The meal gets logged. Nothing doses automatically, ever.

VOICE-FIRST DOSING

Dosebeforethefoodlandsonthetable.

Say what you're ordering before it arrives. Ratio math runs while you wait, so you can pre-bolus 15 minutes early and flatten the post-meal spike.

YOU SAY

"Pad thai, probably a medium bowl, with a spring roll on the side"

AI

APP RETURNS

68g
medium confidence
Suggested7 units

Based on your 1:10 ratio. You confirm before dosing.

WHAT'S INCLUDED

EverythinginPhase1.

CGM integration and pattern analysis are on the roadmap for Phase 2.

Photo analysis

Works on plated food, takeaway containers, and most packaged food. If the image is unclear, it says so.

Voice capture

Describe what you're ordering. Works before the food arrives. Audio uploads on the next good connection.

Human in the loop

You confirm every dose before anything happens. The app surfaces the number; you press the button on the pen.

Pre-bolus timing

Set your preferred lead time. The app shows suggested units with enough runway to dose before a meal.

Meal log

Every estimate and confirmed dose gets logged with a timestamp. Useful for your endo and for spotting patterns.

Your ratio, your numbers

Set your IC ratio in settings. The app doesn't compare you to other users or try to calculate it for you.

WHAT IT DOESN'T DO

"This app won't replace your endo, your CGM, or your judgment. It counts carbs from a photo and does the ratio math. That's it. If the photo's unclear, it tells you. If something looks off, it says so. You're still the one pressing the button on the pen."

CGM integration is on the roadmap for Phase 2. Not available yet.

PRICING

Simplepricing.

STARTER

$15/mo NZD

10 entries per day. All core features.

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POPULAR

PLUS

$25/mo NZD

Unlimited entries. Priority processing.

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7-day trial included. No card needed. Save 20% with annual billing. Full pricing details →

BUILT BY A T1D

“I'm Steve. I'm a third-generation male Type 1 diabetic. I've been around T1D my entire life.”

My grandad measured his glucose with urine test strips and injected with the kind of needles that made kids cry. I also work in software. So one day I thought: I can build a tool that makes this easier for me.

If you're a T1D and something's off, tell me. I read every email.

Read more about our story →

Nailyourratio.Startthe7-daytrial.

5 entries per day for 7 days. No card needed.