Cal33: AI Calorie Counter
Nitrotech Health & Fitness iPhoneiPadiPod touch
Cal33: AI Calorie Counter is a free Health & Fitness app for iPhone and iPad by Nitrotech. Rated 4.1/5 from 17 ratings. Requires iOS 17.0.
- Rating
- 4.1
- 17 ratings
- Price
- Free
- on the App Store
- Size
- 70 MB
- Age 12+
- Updated
- Aug 4
- 2026 · v1.15
Screenshots
About Cal33: AI Calorie Counter
Lose weight without the guesswork. Cal33 uses AI to count calories from a single photo — so you can finally track what you eat without spending hours on data entry. Snap any meal and our AI identifies ingredients, calculates calories, and breaks down macros in seconds. From home-cooked meals to restaurant dishes to packaged snacks — accurate nutrition data without manual searching. SMART FEATURES • AI photo food recognition • Describe your meal in words — AI does the rest • Macro tracking (protein, carbs, fat & fiber) • Personalized calorie targets • Food diary & meal history • Water & weight tracking • Fasting timer with eating windows • Streaks, challenges & achievements • Works with keto, IF, any diet SMART CALORIE TRACKING THAT WORKS Point your camera at any meal and Cal33 identifies the food, calculates calories, and breaks down your macros in seconds. From home-cooked dinners to restaurant plates to packaged snacks, our AI food scanner handles it all with remarkable accuracy. The calorie counter that adapts to your life, not the other way around. COMPLETE NUTRITION AT A GLANCE Every meal logged gives you a full nutritional breakdown. Track protein, carbohydrates, fats, and calories without the tedious data entry that makes other food trackers feel like homework. Our macro calculator does the heavy lifting so you can focus on your goals. BUILT FOR REAL RESULTS Whether your goal is weight loss, building muscle, or simply eating healthier, Cal33 provides the insights you need. The calorie deficit tracker keeps you accountable. The protein tracker ensures you hit your targets. The food diary remembers your favorites for even faster logging. WORKS WITH ANY DIET PLAN Cal33 fits seamlessly into your preferred approach to nutrition. Use it as a keto tracker to monitor carbs. Pair it with intermittent fasting to optimize your eating windows. Let the macro tracker guide your nutrition. Your food log, your rules. WHY USERS CHOOSE CAL33 Logging meals in under five seconds instead of five minutes. Finally sticking with a nutrition tracker. Understanding exactly what they eat and how it affects their goals. Confidence that comes from accurate calorie counting. Your transformation deserves a calorie tracker that keeps up with your life. Cal33 makes tracking calories so simple, you will actually do it. SUBSCRIPTION INFORMATION Cal33 is free to download and includes calorie tracking with daily AI scans. Cal33 Premium unlocks the full experience including advanced analytics, nutrition score, fiber insights and custom goals. Subscription options: - Monthly subscription - Yearly subscription Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Questions or feedback? Reach us at [email protected] Terms of Use: https://www.cal33.com/terms Privacy Policy: https://www.cal33.com/privacy
Ratings & reviews
4.1
17 ratings
What’s new
Version 1.15 · Updated August 4, 2026
• Smarter, more reliable AI food scanning • Reminders now arrive even if you haven't opened the app in a while • Streaks are tracked accurately across days and devices • Meals logged offline are never lost • Creating an account now keeps your whole plan and history • Many stability and performance fixes
App privacy
The developer, Nitrotech, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Purchases: Purchase History
- Location: Coarse Location
- User Content: Photos or Videos, Audio Data, Customer Support, Other User Content
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction, Advertising Data, Other Usage Data
- Sensitive Info: Sensitive Info
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
- Other Data: Other Data Types
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
- Location: Coarse Location
- Contact Info: Email Address, Name, Other User Contact Info
- User Content: Customer Support, Other User Content, Photos or Videos, Audio Data
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction, Advertising Data, Other Usage Data
- Diagnostics: Performance Data
- Other Data: Other Data Types
- Health & Fitness: Health, Fitness
- Sensitive Info: Sensitive Info
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality, Other Purposes
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data, Other Diagnostic Data
- Contact Info: Name
Used for: Developer’s Advertising or Marketing, App Functionality, Other Purposes
Alternatives to Cal33: AI Calorie Counter
Looking for apps like Cal33: AI Calorie Counter? Here are 6 similar apps on the App Store. The highest rated is Cal Aide - Fun Health Plans (5.0/5), and all 6 are free to download.
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Cal Aide - Fun Health Plans
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Calorie Tracker Counter: DietX
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Sarvita: Reverse Death Clock
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MyMeal AI Nutrition Tracker
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DailyGoal: Fitness System
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Nutrizee: Food Scanner AI
3.8
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Cal33: AI Calorie Counter | 4.1 / 5 (17 ratings) | Free | August 4, 2026 | |
| Cal Aide - Fun Health Plans | 5.0 / 5 (8) | Free | Feb 26, 2026 | Compare |
| Calorie Tracker Counter: DietX | 4.5 / 5 (20) | Free | Jun 20, 2026 | Compare |
| Sarvita: Reverse Death Clock | 5.0 / 5 (1) | Free | Sep 17, 2026 | Compare |
| MyMeal AI Nutrition Tracker | 5.0 / 5 (5) | Free | May 7, 2026 | Compare |
| DailyGoal: Fitness System | 3.0 / 5 (2) | Free | Oct 4, 2026 | Compare |
| Nutrizee: Food Scanner AI | 3.8 / 5 (4) | Free | Jun 9, 2026 | Compare |