Built for iOS 26

Snap a meal.
See the macros.
Done.

A private, on-device AI calorie counter for iPhone and Apple Watch. iCloud-synced. No account. No tracking.

Free · iOS 18+ · watchOS 10+
FitBytes Today screen
FitBytes Workouts screen
Built for iOS 26Apple WatchOn-Device AIiCloud SyncNo Account Needed

Everything you need.
Nothing you don't.

Designed to feel native to iOS — fast, quiet, and beautiful.

AI food scanning

Core ML + Apple Vision identify the food and estimate the portion — 100% on-device.

Smart replacements

50 g paneer = 2 eggs = 100 g chicken. 50 g rice = 75 g bread = 200 g potato.

Macros & water rings

Protein, carbs, fat, calories burned, net calories — all in one glance.

Workout planning

Strength, cardio, HIIT, yoga, walks, runs — weekly splits for your goal.

Diet plans

Build meal-by-meal, or paste JSON / free-form text and let FitBytes parse it.

Progress tracking

Weight, chest, waist, hips, abdomen, body fat — 1d/1w/1m/1y trends.

All the logging,
on your wrist.

Calorie ring, water +250 / +500 / +750 ml, quick-log meal presets, and a workout dial driven by the Crown.

Entries sync back to iPhone instantly when reachable, and queue safely when offline.

Calories
Water
Meals
Workout
Eating out plate suggestion

Going out? We've got a plate.

FitBytes finds restaurants near you and suggests a plate that fits your remaining macros.

Country-aware delivery: DoorDash, Grubhub, Uber Eats (US) · Swiggy, Zomato (India) · Deliveroo, Just Eat (UK) · plus Europe, Middle East, Australia, and Canada defaults.

No accounts.
No ads. No tracking.

On-device processing

Photos and food labels stay on your iPhone. Nothing is uploaded.

Private iCloud sync

Your data syncs end-to-end encrypted via Apple — only you have access.

Coach or partner view, on your terms.

Tap "Create share link" for a private CKShare URL via Messages, Mail, or AirDrop. Revoke anytime.

1Create share link
2Send via Messages
3Coach sees your week
4Revoke anytime

Plays nicely with Apple Health.

Imports steps, active calories, and sleep automatically. Logged workouts are written back to Health, so your rings stay honest.

Start your fitness journey today.

Free to download. No account needed.

FitBytes: AI Calorie Counter