TUNA: Ultimate Nutrition App
Rachel Kreynin Health & Fitness iPhoneiPadiPod touch
TUNA: Ultimate Nutrition App is a free Health & Fitness app for iPhone and iPad by Rachel Kreynin. Requires iOS 16.6. Updated August 26, 2026.
- Price
- Free
- on the App Store
- Size
- 103 MB
- Age 12+
- Updated
- Aug 26
- 2026 · v3.2.0
Screenshots
About TUNA: Ultimate Nutrition App
TUNA is a detailed nutrient engine designed for athletes, biohackers, and people in every stage of life, including menstruation, pregnancy, postpartum, and menopause, taking into account workouts, sleep, supplements, meals, and 100+ nutrients. Instead of static calorie targets or generic plans, TUNA adapts your nutrition guidance based on how you sleep, move, recover, and live. It helps personalize over 100 nutrients to your unique needs so you can better understand your body, your food, and your progress. Share and showcase healthy, delicious meals with the community and your friends. Earn XP and level up based on workouts, sleep diligence, metabolic mastery, and other health-focused achievements. Craft a unique profile with individual stats and a one-of-a-kind avatar. What TUNA does: * Analyzes your dietary intake and nutrient balance * Tracks over 100 nutrients, including vitamins, minerals, amino acids, fatty acids, macros, and more * Adjusts nutrition and energy targets based on activity level and bloodwork * Factors in sleep, recovery, cardio, strength training, steps, and movement * Adapts recommendations across menstrual cycles, pregnancy, postpartum, and menopause * Shows clear summaries of food, activity, and wellness data * Provides detailed nutrient information so you never miss an important data point * Gamifies nutrition in a productive and fun way * Creates meal card summaries you can share with friends on TUNA’s social Feed and on other platforms Built for real life: TUNA works with your existing health data to provide context-aware guidance across: * Activity and workouts * Steps, distance, and movement * Sleep patterns * Bloodwork * Hydration * Energy expenditure * Menstrual cycle support * Pregnancy support * Postpartum support * Menopause support You stay in control. All data access is optional, and the app remains usable even if you choose not to connect certain health sources. TUNA is built to help you go beyond calories and understand the full picture of your nutrition.
What’s new
Version 3.2.0 · Updated August 26, 2026
- New app languages - Quick add meals with time of day - Food interactions UI update - Profile and Settings UI Update - Health sync debugging information added to settings - UI Tweaks
App privacy
The developer, Rachel Kreynin, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction
- Health & Fitness: Health, Fitness
- User Content: Photos or Videos, Other User Content
- Sensitive Info: Sensitive Info
- Contact Info: Email Address
Used for: Analytics, Product Personalization, App Functionality
Alternatives to TUNA: Ultimate Nutrition App
Looking for apps like TUNA: Ultimate Nutrition App? Here are 6 similar apps on the App Store. The highest rated is re-zen: The Nervous System App (5.0/5), and all 6 are free to download.
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Hurive.
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Nayri
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HealthGeek - AI Wellness Coach
4.0
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re-zen: The Nervous System App
5.0
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Longevity Arc
3.0
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Sleeply: Sleep Debt & Planner
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| TUNA: Ultimate Nutrition App | – | Free | August 26, 2026 | |
| Hurive. | – | Free | Oct 5, 2026 | Compare |
| Nayri | – | Free | Sep 2, 2026 | Compare |
| HealthGeek - AI Wellness Coach | 4.0 / 5 (1) | Free | Oct 3, 2026 | Compare |
| re-zen: The Nervous System App | 5.0 / 5 (3) | Free | Oct 6, 2026 | Compare |
| Longevity Arc | 3.0 / 5 (1) | Free | Aug 8, 2026 | Compare |
| Sleeply: Sleep Debt & Planner | 5.0 / 5 (3) | Free | Jun 18, 2026 | Compare |