OpenNutriTracker vs openGym
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenNutriTracker
This app offers a straightforward way to monitor your daily food intake and analyze nutritional information. It features a food diary, custom meal planning, and a barcode scanner for easy logging. Prioritizing user privacy, it provides a completely free and ad-free experience.
- Nutritional tracking
- Food diary
- Custom meal planning
- Barcode scanner
- Privacy focused
- Open-source
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OpenNutriTracker is an open-source mobile application designed to simplify nutritional tracking and management. Whether you are looking to improve your health, lose weight, or simply maintain a balanced diet, OpenNutriTracker provides a minimalistic interface to easily track and analyze your daily nutrition. - Nutritional Tracking: Easily log your meals and snacks, and access a vast database of food items and ingredients to get detailed nutritional information. - Food Diary: Maintain a comprehensive food diary to keep track of your daily food consumption, habits, and progress. - Custom Meals: Plan your meals in advance, create personalized meal plans, and optimize them according to your dietary goals. - Barcode Scanner: Scan barcodes on packaged food items to instantly retrieve their nutritional information. - Privacy Focused: OpenNutriTracker prioritizes the privacy its users. It does not collect or share any personal data without your consent. - No Subscription, In-App Purchases, or Ads: OpenNutriTracker is completely free to use, without any subscription fees, in-app purchases, or intrusive advertisements.
openGym
This app helps you plan, track, and analyze your gym workouts. It offers a vast exercise library with demos, customizable routines, and detailed progress tracking. Everything is stored locally on your device, with optional sync capabilities.
- Extensive exercise library with animated demos
- Customizable workout plans and routines
- Detailed set logging and rest timers
- Plate math and progression tracking
- Volume and recovery analysis
- Local data storage with optional sync
- Apple Watch integration and Live Activity
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openGym is a workout tracker made by people who lift, for people who lift. Plan your week, log every set, and see what you actually did. No account, no ads, no subscription, no tracking. PLAN • Over 5,600 exercises with animated demos, in 19 languages • Four starter plans (Push/Pull/Legs, Upper/Lower, Full Body, 5×5), or build your own • A routine per weekday, or a rotation (A, B, C, A …) if your week doesn't run on a schedule • Supersets, warm-ups, drop sets, rest-pause, timed holds, per-side reps TRAIN • Today's workout starts itself, with weights filled in from last time • Rest timer that still rings with the screen locked • Plate math for the plates you actually own • Progression rules: linear, Greyskull, double progression and more • Check in at your gym by showing your membership code from the app TRACK • Estimated 1RM curves, volume per muscle, a recovery map • Body weight against your goal, progress photos side by side • Edit any past workout, or log one you did on paper YOURS • Everything stays on your phone. Want sync? Connect your own openGym server. • Import from Strong, Hevy and FitNotes; export everything any time • Optional AI coach that drafts your week, with your own API key, and only after it asked you • Free and open source (AGPL), built in the open with the community IPHONE AND APPLE WATCH • Apple Watch app: the current set, the rest timer and your heart rate on your wrist; tick sets off from there • Live Activity on the Lock Screen and in the Dynamic Island, plus widgets for your Home Screen • Apple Health if you want it: finished workouts and weigh-ins land there too Exercise animations © Gym visual (gymvisual.com), licensed for openGym.
Screenshots
Verdict
The clearest difference is rating: openGym at 4.9 against OpenNutriTracker's 4.4. openGym also leads on review sentiment (93% vs 69%) and update cadence (every 6 days vs monthly). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
openGym holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 17 and 28 respectively. Written reviews point the same way: 69% of OpenNutriTracker's written reviews are positive against 93% of openGym's.
OpenNutriTracker ships an update monthly, openGym every 6 days. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.
| Parameter | OpenNutriTracker | openGym |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (17 ratings) | 4.9 (28 ratings) — better |
| Positive reviews | 69.2% of reviews | 92.6% of reviews — better |
| Number of ratings | 17 | 28 — better |
| Update frequency | Monthly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.5 | 15.5 |
| Further details — not scored | ||
| Size | 38 MB | 388 MB |
| Age rating | 4+ | 4+ |
| Developer | Simon Oppowa | Duarte Lavouras Reis Santos |
Customer experience
OpenNutriTracker
openGym
In-app purchases
OpenNutriTracker
No in-app purchases
openGym
No in-app purchases





