# Protocol Grip Trainer > Companion app for a Bluetooth grip trainer device to track workouts. (iPhone/iPad app by Sawyer Blankenship.) - Source: https://appshunter.io/ios/app/protocol-grip-trainer/id6756031987 (this page in markdown: same URL + `.md`) - Developer: [Sawyer Blankenship](https://appshunter.io/developer/1858099080) - Category: Health & Fitness - Price: Free - Rating: 5.00/5 from 5 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 16.6 · 30 MB - Languages: American English - Released: 2026-01-13 - Data updated: 2026-08-22 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/protocol-grip-trainer/id6756031987/reviews.md ## What is Protocol Grip Trainer? Companion app to the Protocol Grip Trainer, a grip trainer device which uses Bluetooth to record workouts to your phone. Discover how strong your grip is! Perform structured workouts to strengthen your grip! ## Key features - Bluetooth connectivity - Workout tracking - Grip strength measurement - Structured workouts - Progress monitoring ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/protocol-grip-trainer/id6756031987/reviews.md ### 5/5 — Great product *2026-05-31* I’ve been extremely this device and the quality of the product. The product feel durable, well designed, and built to last, whether you’re a beginner looking to improve your grip strength or an experienced athlete focused on performance. The resistance levels are accurate and constant, making it easy to track progress over time. ### 5/5 — Best Grip Strength Trainer I’ve Used *2026-05-29* Fantastic product for improving grip strength. It feels like you’re playing a video game while actually getting a workout in, with real-time performance numbers to track your progress. Time-efficient, fun, and effective. ## Frequently asked questions about Protocol Grip Trainer ### What is Protocol Grip Trainer? Protocol Grip Trainer is a companion app designed to work with the Protocol Grip Trainer device. It allows you to track your grip strength workouts and monitor your progress. ### How does Protocol Grip Trainer work? The app connects to the Protocol Grip Trainer device via Bluetooth. This connection enables the app to record your workout data, such as grip strength measurements and workout duration. ### What kind of workouts can I do with Protocol Grip Trainer? The app supports structured workouts specifically designed to help you strengthen your grip. You can discover your current grip strength and follow routines to improve it over time. ### What devices is Protocol Grip Trainer compatible with? Protocol Grip Trainer is currently supported on iPhone devices. It utilizes Bluetooth to communicate with the physical grip trainer. ### Is Protocol Grip Trainer free to use? Yes, Protocol Grip Trainer is available for free. There are no in-app purchases or advertisements associated with the app. ### How often is Protocol Grip Trainer updated? The latest version of Protocol Grip Trainer is 1.3.3, last updated on June 24, 2026. Updates typically include performance improvements and bug fixes. ### What is the age rating for Protocol Grip Trainer? Protocol Grip Trainer has an age rating of 4+. This indicates it is suitable for users of all ages, with no content restrictions. ### What is the user rating for Protocol Grip Trainer? Protocol Grip Trainer has received an excellent rating of 5.0 stars based on 4 user reviews. This suggests a high level of user satisfaction. ## Version history (last 5 releases) ### 1.3.9 — 2026-08-17 Default language - en-US Improved app performance and made changes to the 30 day challenge! The 30 day challenge is scored as your average miss across 16 workouts during the month! Completing less than 16 total workouts will harm your score! We allowed challengers to complete more than 4 challenges in a week! ### 1.3.7 — 2026-08-02 Developed a 30 Day Grip Challenge consisting of 1 max strength test and 3 workouts per week! Enter for a chance to win $50 and a Rolflex massager! ### 1.3.6 — 2026-07-30 Join our Thirty Day Challenge for a chance to win $50! The user with the highest workout score will win $50. Join on the home screen! ### 1.3.5 — 2026-07-09 Made some UI and functional improvements to the Max Strength Test Results Screen! ### 1.3.4 — 2026-07-03 Added a max strength rankings page, comparing your grip strength to over 800 Protocol Grip Trainer users! Debuted Protocol For Business, a new app accompanying a Protocol Grip Trainer kiosk! ## Apps similar to Protocol Grip Trainer | App | Rating | Price | Category | | --- | --- | --- | --- | | [Wellness Atlas Events](https://appshunter.io/ios/app/wellness-atlas-events/id6767901158) | 5.0 (4) | Free | Health & Fitness | | [eSense EEGenius](https://appshunter.io/ios/app/esense-eegenius/id1563767134) | — | Free | Health & Fitness | | [DexaCore](https://appshunter.io/ios/app/dexacore/id6757154209) | — | Free | Health & Fitness | | [Fitness Quest 10](https://appshunter.io/ios/app/fitness-quest-10/id6744162065) | — | Free | Health & Fitness | | [BioSignals Personal trainer](https://appshunter.io/ios/app/biosignals-personal-trainer/id6523415317) | — | Free | Health & Fitness | | [NM HRV](https://appshunter.io/ios/app/nm-hrv/id6450173490) | — | Free | Health & Fitness | ## More apps by Sawyer Blankenship - [Protocol For Business](https://appshunter.io/ios/app/protocol-for-business/id6786510429) All apps by Sawyer Blankenship: https://appshunter.io/developer/1858099080 ## Related topics [gripp it](https://appshunter.io/ios/topics/gripp-it) · [griply](https://appshunter.io/ios/topics/griply) · [grip pt](https://appshunter.io/ios/topics/grip-pt) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-22.*