# GymBook ・ Strength Training vs Iron Zone

The clearest difference is review sentiment: GymBook ・ Strength Training at 95% against Iron Zone's 0%. GymBook ・ Strength Training also leads on ads (none vs shown) and update cadence (weekly vs every 4 weeks). Iron Zone's advantage is in-app purchases (none vs 13). On price, device support and iOS requirement there is nothing between them.

Both are free to download. GymBook ・ Strength Training sells 13 in-app purchases, starting at $1.99 per month. Iron Zone asks for nothing beyond the download.

GymBook ・ Strength Training ships an update weekly, Iron Zone every 4 weeks. The most recent releases landed on October 26, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | GymBook ・ Strength Training | Iron Zone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.4K ratings)](https://appshunter.io/ios/app/gymbook-strength-training/id650113307/reviews)** | — |
| Number of ratings | **2.4K** | — |
| Positive reviews | **94.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 393 MB | 40 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Appwise GmbH](https://appshunter.io/developer/646751787) | [Iron Journal Labs](https://appshunter.io/developer/1726230515) |

## What reviewers say

### GymBook ・ Strength Training

[App page](https://appshunter.io/ios/app/gymbook-strength-training/id650113307)

Create, log, and analyze your gym workouts with this comprehensive fitness app. It offers custom exercise creation, detailed logging, and insightful performance analytics with interactive graphs. Track progress, sync data, and time your rests efficiently.

**Highlights:** Create custom workouts and exercises, Log sets, weight, and reps, Track workout progress with graphs, Adjustable rest timer, Sync data with Health app and Strava, Body measurement tracking

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GymBook Pro · Monthly | $1.99 | per month |
| GymBook Pro · Yearly | $8.99 | per year |
| Timer+ | $3.99 | one-time |
| Themes | $3.99 | one-time |
| Export | $3.99 | one-time |
| Assistant | $3.99 | one-time |
| Cloud | $3.99 | one-time |
| Bronze ・ Package | $5.99 | one-time |
| +Exercises ・ Feature | $5.99 | one-time |
| Silver ・ Package | $6.99 | one-time |
| Gold ・ Package | $12.99 | one-time |
| Platinum ・ Package | $17.99 | one-time |
| GymBook Pro · Lifetime | $22.99 | one-time |

**What reviewers like**

- 💪 Excellent workout tracking
- 🔓 No subscription, one-time purchase
- 👍 Simple and intuitive interface
- 📊 Comprehensive data and progress tracking
- 🤖 Seamless Apple Watch integration

**What reviewers complain about**

- 🕰️ Cumbersome weight/rep selection
- 📚 Limited exercise catalog (some missing)
- 🔀 Difficulty switching between workouts
- 📈 Confusing progress graph visualizations
- 🔍 Lack of search/filter options for exercises

**Reported bugs**

- Occasional syncing issues with Apple Watch
- Workout data sometimes recorded on wrong day

**Requested features**

- Add ability to copy/duplicate workouts
- Implement calendar view for workout history
- Allow manual entry of weights/reps instead of scrolling
- Integrate body measurement tracking and progress graphs
- Add more pre-made workout templates and routines


### Iron Zone

[App page](https://appshunter.io/ios/app/iron-zone/id6476220682)

Track and share your fitness journey with a vast library of exercises and customizable plans. Log gym progress, discover new routines, and connect with a community for motivation and inspiration.

**Highlights:** 300+ exercises, Custom exercise creation, Workout plan builder, Social sharing and interaction, Performance insights, Weightlifting milestone tracking

**In-app purchases:** none


## Frequently asked questions

### Is GymBook ・ Strength Training free?

GymBook ・ Strength Training is free to download, with in-app purchases available.

### Is Iron Zone free?

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

### Do GymBook ・ Strength Training or Iron Zone have ads?

Iron Zone shows ads; GymBook ・ Strength Training does not.

### Which is updated more often, GymBook ・ Strength Training or Iron Zone?

GymBook ・ Strength Training ships an update weekly, and Iron Zone every 4 weeks. Most recently, GymBook ・ Strength Training was updated on October 26, 2026 and Iron Zone on October 2, 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.*