OpenNutriTracker vs Satt
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.
Satt
This free calorie tracker focuses solely on logging your food intake without ads or subscriptions. It offers multiple logging methods including manual entry, barcode scanning, and AI-powered photo analysis, all while prioritizing user privacy with data stored locally.
- Manual calorie logging
- Barcode scanning
- AI photo food recognition
- Calorie ring progress visualization
- Local data storage
- Data export (CSV/JSON)
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Satt is a free calorie tracker with no premium tier that does one thing excellently: tracking calories. No account, no ads, no tracking. Your data stays on your device – optionally backed up via your own iCloud. THREE WAYS TO LOG • Search & manual logging – the rock-solid foundation. Onboarding calculates your personal daily goal. • Barcode scan – scan a product, pick a portion, done. Data from Open Food Facts, cached locally (second scan works offline). • Photo scan (AI) – snap your plate and the AI estimates calories as a smart first draft. Always editable, with an honest confidence hint. THE CALORIE RING A big ring shows what's left of your daily goal at a glance. Meals, subtle macro bars, weekly stats and a weight trend. HONEST & HEALTHY No deficit pressure, no shaming mechanics, a safety floor for your daily goal. Satt is not a medical device and does not replace medical or nutritional advice. PRIVACY-FIRST No login, no premium, no ad or tracking SDKs. Apple Health optional. Export your data anytime as CSV/JSON or delete it completely. Product data from Open Food Facts (ODbL). SUPPORT THE DEVELOPER (OPTIONAL) Every feature is free. If you like, support development and server costs with a “Support Monthly” subscription for €0.99 per month (auto-renews, cancel anytime in your Apple ID settings). In return you get a supporter badge and alternative app icons – no premium features. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://satt-app.com/datenschutz
Screenshots
Verdict
The clearest difference is rating: OpenNutriTracker at 4.3 against Satt's 2.0. OpenNutriTracker also leads on in-app purchases (none vs 1) and ratings volume (15 vs 1). Satt's advantage is update cadence (every 3 days vs monthly). On price, review sentiment, ads 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. Satt sells 1 in-app purchase, starting at $0.99 per month. OpenNutriTracker asks for nothing beyond the download.
OpenNutriTracker holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: OpenNutriTracker has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 68% of OpenNutriTracker's written reviews are positive against 67% of Satt's.
OpenNutriTracker ships an update monthly, Satt every 3 days. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.
| Parameter | OpenNutriTracker | Satt |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (15 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 68.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 15 — better | 1 |
| Update frequency | Monthly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.5 — better | 17.0 |
| Further details — not scored | ||
| Size | 37 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Simon Oppowa | Kolja Sagorski |
Customer experience
OpenNutriTracker
Satt
In-app purchases
OpenNutriTracker
No in-app purchases
Satt
- Support Satt-app$0.991 Month
