onTrack vs Caldee
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
onTrack
Effortlessly monitor your daily active and resting calorie burn, and track your food intake against personalized targets. Stay motivated with customizable home screen widgets that display your progress at a glance.
- Automatic activity and calorie syncing
- Monitor burned calories with progress bars
- Track consumed calories and meal targets
- Home screen widgets for instant data view
- Customizable graph and widget colors
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OnTrack is a calorie tracking app that works best with Apple Watch and Apple Health. It automatically syncs your activity and calorie data to help you stay on top of your fitness goals. Whether you’re training for performance or just staying active, OnTrack provides intuitive insights that keep you motivated and informed every step of the way. Daily Activity Effortlessly monitor your daily activity, calorie burn, and more through dynamic progress bars and weekly charts. See how your current totals compare against your goals with real-time updates and personalized visuals. Apple Watch users will benefit from the most accurate tracking, making OnTrack a powerful tool for understanding your energy expenditure. Meal Logging Track your daily intake and see how your meals stack up against your targets. Weekly consumption graphs help visualize trends, while simple summaries highlight how close you are to reaching your calorie goals each day. Widgets Stay motivated with powerful widgets that bring your data to your Home Screen and Lock Screen. Instantly view daily activity stats all without opening the app. Widgets are color-coded and customizable (with upgrade), keeping your progress front and center throughout the day. Customization Make your experience your own by purchasing color customization for graphs and widgets for $6.99. Personalize metric colors, heatmap themes, and widget backgrounds across the app and your widgets. Match your style and stay motivated.
Caldee
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Caldee turns calorie tracking into a 10-second habit. Snap a photo of your meal and AI logs the calories and macros for you — no endless food databases, no guesswork. Most trackers make you dig through long food lists. Caldee just looks at your plate. Take a photo, scan a barcode, or type what you ate, and get an instant breakdown of calories, protein, carbs, and fat. WHY CALDEE - AI photo scanning — Photograph any meal and get calories + macros in seconds. - Barcode scanner — Scan packaged foods for precise nutrition. - Text logging — Describe your meal in plain words; AI does the math. - Apple Health energy balance — Caldee reads your active and resting energy to show calories in vs. out, so your daily target reflects how much you actually moved. - Macros, water & weight — Track protein, carbs, fat, hydration, and weight trends in one place. - Streaks — Build momentum and stay consistent day after day. - Home-screen widget — See your calories remaining at a glance, without opening the app. - 25 languages — Caldee speaks your language, wherever you are. BUILT FOR REAL LIFE Set your goal — lose, maintain, or gain — and Caldee builds a personalized daily calorie and macro plan around your body, activity, and pace. Log a meal in seconds, watch your balance update live, and adjust as you go. No spreadsheets, no tedious entry — just a clear picture of your day. SUBSCRIPTION REQUIRED Caldee is a subscription app. New members start with a 3-day free trial, then continue on a paid plan to keep using the app: • Yearly — $39.99/year (after a 3-day free trial) • Monthly — $12.99/month Payment is charged to your Apple Account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the period ends. You can manage or cancel your subscription anytime in your App Store account settings. Any unused portion of the free trial is forfeited when you purchase a subscription. Terms of Use (EULA): https://caldee-rose.vercel.app/terms Privacy Policy: https://caldee-rose.vercel.app/privacy Start your 3-day free trial and make every day easier to track.
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Verdict
The clearest difference is update cadence: Caldee at every 2 months against onTrack's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. onTrack sells 1 one-off in-app purchase and Caldee sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
onTrack ships an update every 7 months, Caldee every 2 months. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.
| Parameter | onTrack | Caldee |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 3 MB | 34 MB |
| Age rating | 17+ | 17+ |
| Developer | Anuj Shelat | Streamline Merch LLC |
In-app purchases
onTrack
- Customization Feature$6.99
Caldee
- Monthly$9.991 Month
- Premium3 Days trial$49.991 Year









