Protocol - Fitness App
S6 Industries LLC Health & Fitness iPhoneiPadiPod touch
Protocol - Fitness App is a free Health & Fitness app for iPhone and iPad by S6 Industries LLC. Requires iOS 16.6. Updated October 6, 2026.
- Price
- Free
- on the App Store
- Size
- 34 MB
- Age 4+
- Updated
- Oct 6
- 2026 · v2026.10.5
Screenshots
About Protocol - Fitness App
Protocol is the all-in-one for running your fitness protocol: habits, nutrition, and training. Lift. Eat. Track. Repeat. Built for people with a goal. The app's job is to remove friction between intent and execution - fast logging, clear feedback, no noise. LIFT • Log sets with weight and reps (lbs or kg, per exercise) • 100+ built-in exercises, or create your own • Supports bodyweight and assisted (negative-weight) movements • See your last attempt and personal record so you always know what to beat • Templates for repeat sessions • Per-exercise analytics and trends EAT • Log meals from a large food database • Scan barcodes to add foods quickly • Track calories and macros by day • Backed by Open Food Facts and USDA data HABITS & BIOMETRICS • Daily habits, tracked like a protocol • Body-weight logging with trends • Home dashboard shows all three pillars at a glance AI COACH (OPTIONAL, SUBSCRIPTION) • Chat with an AI coach about training, nutrition, and recovery • Powered by OpenAI; messages are sent to OpenAI to generate replies PRIVATE BY DEFAULT • Local-first: your data lives on your device (SQLite) • Optional cloud sync, protected with row-level security • No social features, no sharing, no feed - by intentional design • We never sell your data Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://protocol4.net/privacy Terms of Service: https://protocol4.net/terms
What’s new
Version 2026.10.5 · Updated October 6, 2026
- Calorie range: set a daily min and max under Biometrics - Strength: your personal records now show your heaviest set alongside them. - Food search: many search results now offer serving sizes, not just grams. - Barcode scanning is more reliable - Biometrics now has its own entry in the menu and sidebar.
App privacy
The developer, S6 Industries LLC, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Protocol - Fitness App | – | Free | October 6, 2026 | |
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| The Junk Food App | 5.0 / 5 (9) | Free | Oct 23, 2026 | Compare |
| Protocol: Peptides | 5.0 / 5 (1) | Free | May 4, 2026 | Compare |
| Protocol: Macro & Workout App | 5.0 / 5 (6) | Free | Oct 7, 2026 | Compare |
| Neumo | 5.0 / 5 (3) | Free | Sep 8, 2025 | Compare |
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