# GymBook vs Redgym Open

The clearest difference is update cadence: GymBook at every 2 weeks against Redgym Open's every 3 months. Redgym Open's advantage is iOS requirement (15.0 vs 17.6). 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.

GymBook ships an update every 2 weeks, Redgym Open every 3 months. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | GymBook | Redgym Open |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 4 MB | 57 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Metehan CANPOLAT](https://appshunter.io/developer/1778565891) | [SENKRON BILGISAYAR OTOM LTD.](https://appshunter.io/developer/498226578) |

## What reviewers say

### GymBook

[App page](https://appshunter.io/ios/app/gymbook-progress-tracker/id6737936431)

Log workouts, track body measurements, and visualize your fitness progress over time. This app focuses on monitoring your efforts and celebrating achievements to keep you motivated and consistent.

**Highlights:** Weekly workout tracking (weights, reps, sets), Body measurements and progress photos, Progress visualization with charts and lists, Data stays on device for privacy, Simple, distraction-free interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Redgym Open

[App page](https://appshunter.io/ios/app/redgym-open/id6751410042)

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

**In-app purchases:** none


## Frequently asked questions

### Is GymBook free?

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

### Is Redgym Open free?

Redgym Open is free to download, with no in-app purchases.

### Do GymBook or Redgym Open have ads?

Neither GymBook nor Redgym Open shows ads.

### Which is updated more often, GymBook or Redgym Open?

GymBook ships an update every 2 weeks, and Redgym Open every 3 months. Most recently, GymBook was updated on October 5, 2026 and Redgym Open on October 14, 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.*