# GymBook vs FerroVox

The clearest difference is in-app purchases: GymBook at none against FerroVox's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FerroVox sells 1 one-off in-app purchase. GymBook asks for nothing beyond the download.

GymBook ships an update every 2 weeks, FerroVox every 3 weeks. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | GymBook | FerroVox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ferrovox/id6761067662/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Free** | Paid |
| Size | 4 MB | 9 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Metehan CANPOLAT](https://appshunter.io/developer/1778565891) | [Thomas Hoffman](https://appshunter.io/developer/1887615669) |

## 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


### FerroVox

[App page](https://appshunter.io/ios/app/ferrovox/id6761067662)

Log your workouts using your voice with this private, on-device tracker. Customize your gym, track every machine variation, and visualize your training with a muscle group heat map. Includes a plate math calculator and Apple Watch integration for hands-free logging.

**Highlights:** Voice logging, Custom gyms, Muscle group heat map, Plate math calculator, Apple Watch companion, Data export

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock FerroVox | $14.99 | one-time |


## Frequently asked questions

### Is GymBook free?

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

### Is FerroVox free?

FerroVox is free to download, with in-app purchases available.

### Do GymBook or FerroVox have ads?

Neither GymBook nor FerroVox shows ads.

### Which is updated more often, GymBook or FerroVox?

GymBook ships an update every 2 weeks, and FerroVox every 3 weeks. Most recently, GymBook was updated on October 5, 2026 and FerroVox on September 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.*