# Algometer App vs Protocol Grip Trainer

The clearest difference is update cadence: Algometer App at every 3 days against Protocol Grip Trainer's weekly. Protocol Grip Trainer's advantage is iOS requirement (16.6 vs 18.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Algometer App ships an update every 3 days, Protocol Grip Trainer weekly. Both last shipped on October 30, 2026.

## The numbers

| Metric | Algometer App | Protocol Grip Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/protocol-grip-trainer/id6756031987/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free |
| Size | 2 MB | 30 MB |
| Requires iOS | 18.4 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Beytullah Ylmaz](https://appshunter.io/developer/1827679412) | [Sawyer Blankenship](https://appshunter.io/developer/1858099080) |

## What reviewers say

### Algometer App

[App page](https://appshunter.io/ios/app/algometer-app/id6748854163)

**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 Algometer App free?

Algometer App is free to download, with no in-app purchases.

### Is Protocol Grip Trainer free?

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

### Do Algometer App or Protocol Grip Trainer have ads?

Neither Algometer App nor Protocol Grip Trainer shows ads.

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

Algometer App ships an update every 3 days, and Protocol Grip Trainer weekly. Most recently, Algometer App was updated on October 30, 2026 and Protocol Grip Trainer on October 30, 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.*