# Vitalab vs Protocol Grip Trainer

The clearest difference is price: Protocol Grip Trainer at Free against Vitalab's $9.99. Protocol Grip Trainer also leads on update cadence (weekly vs every 5 months). Vitalab's advantage is iOS requirement (12.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

Protocol Grip Trainer is free to download; Vitalab costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Vitalab ships an update every 5 months, Protocol Grip Trainer weekly. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Vitalab | Protocol Grip Trainer |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/protocol-grip-trainer/id6756031987/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | — | Free |
| Size | 62 MB | 30 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [SATHeart SA](https://appshunter.io/developer/1600735347) | [Sawyer Blankenship](https://appshunter.io/developer/1858099080) |

## What reviewers say

### Vitalab

[App page](https://appshunter.io/ios/app/vitalab/id6450055740)

**Features:** macOS Compatibility

**In-app purchases:** none


### Protocol Grip Trainer

[App page](https://appshunter.io/ios/app/protocol-grip-trainer/id6756031987)

This app pairs with a Bluetooth grip trainer device to track your grip strength workouts. Perform structured exercises to improve your grip and monitor your progress directly on your phone.

**Highlights:** Bluetooth connectivity, Workout tracking, Grip strength measurement, Structured workouts, Progress monitoring

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Vitalab free?

Vitalab costs $9.99, with no in-app purchases.

### Is Protocol Grip Trainer free?

Protocol Grip Trainer is free to download, with no in-app purchases.

### Do Vitalab or Protocol Grip Trainer have ads?

Neither Vitalab nor Protocol Grip Trainer shows ads.

### Which is updated more often, Vitalab or Protocol Grip Trainer?

Vitalab ships an update every 5 months, and Protocol Grip Trainer weekly. Most recently, Vitalab was updated on October 11, 2026 and Protocol Grip Trainer on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*