About Privacy Terms Support

Food & Nutrition AI

Onai @ Impact Hub Vienna

One Pro subscriber. One tree.

11 trees pledged so far

Know exactly what you eat.

Onai turns a photo of your food into calories, macros, recipes and a diary that adapts to your goals, activity and preferences. The more you log, the more useful your suggestions and reports become.

Available now

on iOS and Android

Download on the App Store

Get it on Google Play

New users start with 3 starter scans. After that, get 1 free scan every day.

Works with

Apple Watch activity

Apple Health

Health Connect

Apple Watch data is read through Apple Health when available.

Tree commitment

One Pro subscriber. One tree.

We are aware of the environmental impact of using AI. For every new Onai Pro subscriber, we pay to plant one tree in Yucatán, Mexico.

Yucatán Restoration in Mexico Tree planting

11 trees pledged so far

Personalisation

Food ideas shaped around your day.

Onai uses your goals, preferences, logged meals and timing to suggest what makes sense next. Women can also add an optional cycle phase so ideas can reflect appetite and energy changes.

01Optional cycle phase

02Meal timing

03Goals and preferences

04Meals you log

Optional cycle check-in Cycle context is there when it helps.

Women can add a selected phase so food ideas can reflect appetite and energy changes.

Smart ideas Meal ideas use timing, goals and your diary.

Onai can suggest lunch, dinner or late-day ideas from what you have already logged.

Nutrition signals More than macros.

Fibre, sugar, sodium and saturated fat appear with confidence and editable estimates.

Progress Patterns are easier to spot.

Habit feedback can call out timing, consistency and eating patterns across the week.

Onai progress and eating pattern feedback

Meal logging Change the diary, change the report.

Logged meals can be adjusted or removed, and reports update from the changed data.

Onai 2.0 highlights

More than scanning

From photo to next decision.

Onai helps before, during and after eating: get ideas for the day, find food nearby, then see how your reports change as meals are logged or deleted.

Food ideas

Ideas shaped by your day

Timing, goals, preferences, meals you log and optional cycle phase can all shape what Onai suggests next.

Explore

Find food that fits

Use restaurant and ingredient finder when you are eating out, shopping or recreating a scanned dish.

Reports

Reports that update with you

Fibre, sugar, sodium, saturated fat, macros and trends update when your logged meals change.

Why it helps

Scan food first. Log it when you actually eat it.

No database search

Take a picture of a meal, snack, drink, or restaurant dish and get a useful macro estimate.

Scans and meals stay separate

Keep scans in your history. Add only the meals you ate to your diary.

Weekly progress is clear

See your logging, protein, balance and habit progress without digging through charts.

Meal ideas use your diary

Onai uses your recent meals, goals and remaining macros to suggest what to eat next.

Simple 3 steps

How it works

Photo, gallery or text

Scan anything

Use a photo, gallery image, or text entry.

Scanned vs eaten

Log what you ate

Keep scans separate from meals.

Weekly progress

Watch progress build

See goals, habits, macros and reports.

What Onai does

Food tracking that gets more useful the more you use it.

Instant scan 01

Take a picture of a dish.

Get calories, protein, carbs and fat without barcodes, manual entry, or database scrolling.

Diary 02

Keep scans separate from meals.

Scanned foods stay in your history. Logged meals are the foods you actually ate.

Progress 03

See how your week is going.

Track logging, protein, balance and habit progress across the week.

Explore 04

Find food that fits.

Use restaurant and ingredient finder tools when you want options that match your preferences.

Cycle check-in 05

Add cycle context when it helps.

Women can choose a phase from Home, then Onai can shape food ideas around that context.

Recipes 06

Turn scans into recipes.

Get ingredients and steps, then edit the recipe before you cook.

Weekly Report 07

See your week at a glance.

Review calories, protein, carbs and fat across the week and spot patterns early.

Smart Ideas 08

Get ideas for your next meal.

Onai looks at your diary, preferences and remaining macros, then suggests dishes that make sense for the rest of the day.

Health & Activity 09

Adjust targets with activity.

Connect Apple Health or Health Connect so Onai can use active calories and steps to update your daily target.

Onai Health Connect and Apple Health screen

Evidence-based

Based on decades of scientific research.

[ 1 ]

"Self-monitoring of dietary intake was the most consistent predictor of weight loss success, present across all 22 studies reviewed."

Burke, Wang & Sevick Journal of the American Dietetic Association. 2011;111(1):92-102.

[ 2 ]

"The Mifflin-St Jeor equation is the most accurate predictor of resting energy expenditure in healthy individuals, accurate within 10% for the majority of non-obese adults."

Mifflin, St Jeor et al. American Journal of Clinical Nutrition. 1990;51(2):241-247.

[ 3 ]

"Protein intakes of ≥1.62 g/kg/day are sufficient to maximise resistance training-induced gains in fat-free mass in healthy adults."

Morton, Murphy et al. British Journal of Sports Medicine. 2018;52(6):376-384.

[ 4 ]

A systematic review and meta-analysis found greater energy intake in the luteal phase than the follicular phase.

Tucker, McCarthy et al. Nutrition Reviews. 2025;83(3):e866-e876.

Vienna roots

Making healthy eating easier to keep up with.

Onai is built to make nutrition tracking easier to use every day. The goal is simple: less manual work, clearer food choices and better habits over time.

Community Impact Hub Vienna

Part of Impact Hub Vienna.

Onai is part of the Impact Hub Vienna community. You can find us there as we build the app and keep improving it.

Healthy habits Everyday nutrition Accessible tools

Download Onai today.

Start with 3 starter scans. After that, get 1 free scan every day. Upgrade when you want unlimited scans and deeper reports.

Download on the App Store

Get it on Google Play

New users start with 3 starter scans. After that, get 1 free scan every day.