Your choices shape every suggestion
Goals, preferences, timing, activity, logged meals and optional body context give Onai the context to suggest what fits you.
Onai 4.0 · Personal nutrition
Photograph a meal and Onai estimates calories, macros and nutrition signals. Log what you eat, correct anything it gets wrong, and get next-meal ideas shaped by your goals and routine.
New users start with 3 starter scans. After that, get 1 free scan every day.
Onai for women
Coming soonOnai can support regular cycles, irregular cycles, PCOS, perimenopause and postmenopause with practical food ideas and optional weekly check-ins. Your context is private, editable and never used for advertising.
What makes Onai different
Onai does more than count a meal. The context you choose to share shapes the next idea, target, progress cue or place to eat.
Built for real life
Onai 2.0 connected your scans, preferences, logged meals and reports. Onai 4.0 adds editable results and body context that can adapt with you.
Goals, preferences, timing, activity, logged meals and optional body context give Onai the context to suggest what fits you.
Fibre, sugar, sodium and saturated fat add useful context, while AI confidence and editable results keep you in control.
Edit or delete logged meals and Onai recalculates reports, trends and progress from the data that remains.
What Onai is
Use a photo or description to estimate calories, macros and useful nutrition signals without searching a database.
Keep scans in your history, then add only the meals you ate to a diary you can edit.
Follow calories and macros alongside weekly habits, protein progress and meal timing.
Onai Coach uses your diary, goals, preferences and remaining nutrition to suggest a practical next meal.
Simple 3 steps
Use a photo, gallery image, or text entry.
Keep scans separate from meals.
See goals, habits, macros and reports.
What Onai does
Get calories, protein, carbs and fat without barcodes, manual entry, or database scrolling.
Scanned foods stay in your history. Logged meals are the foods you actually ate.
Track logging, protein, balance and habit progress across the week.
Use restaurant and ingredient finder tools when you want options that match your preferences.
Add optional cycle context once. Onai estimates phase changes from your latest check-in and can remind you when it may need updating.
Get ingredients and steps, then edit the recipe before you cook.
Review calories, protein, carbs and fat across the week and spot patterns early.
Remaining calories, protein, timing, goals, preferences and your diary shape a practical next-meal idea.
Connect Apple Health or Health Connect so Onai can use active calories and steps to update your daily target.
Evidence-based
A 2024 systematic review supports pairing self-monitoring with feedback, while noting that more research is needed to identify the most effective feedback formats.
The Mifflin-St Jeor equation provides a well-established estimate of resting energy needs.
Protein intake around 1.6 g/kg/day was sufficient to maximise resistance-training gains in fat-free mass.
A systematic review found that energy intake tends to be higher in the luteal phase than the follicular phase.
A 2024 review found potential benefits from Mediterranean-diet interventions for weight, blood pressure and lipid markers after menopause.
The 2023 international PCOS guideline recommends sustainable healthy eating and physical activity, with no evidence that one diet composition is superior.
Tree commitment
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.
Vienna roots
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.
Onai is part of the Impact Hub Vienna community. You can find us there as we build the app and keep improving it.
Start with 3 starter scans. After that, get 1 free scan every day. Upgrade when you want unlimited scans and deeper reports.
New users start with 3 starter scans. After that, get 1 free scan every day.