# gravitycoach vs STRONG ONE

The clearest difference is in-app purchases: STRONG ONE at none against gravitycoach's 8. STRONG ONE also leads on update cadence (fortnightly vs every 6 months). gravitycoach's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. gravitycoach sells 8 one-off in-app purchases. STRONG ONE asks for nothing beyond the download.

gravitycoach ships an update every 6 months, STRONG ONE fortnightly. The most recent releases landed on September 24, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | gravitycoach | STRONG ONE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Size | 50 MB | 85 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Manuel Guarrera](https://appshunter.io/developer/1597998629) | [JABAV Ventures GmbH](https://appshunter.io/developer/1819091498) |

## What reviewers say

### gravitycoach

[App page](https://appshunter.io/ios/app/gravitycoach/id1597998627)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| eBook I Mehr als nur Fitness! | Free | one-time |
| Kabelzug Workout – Teaser | Free | one-time |
| Kettlebell Power Workout | $34.99 | one-time |
| FLEX & FLEISCH - Krafttraining | $49.99 | one-time |
| Gravitas Finest Masterclass 2 | $49.99 | one-time |
| Power of Breath | $179.99 | one-time |
| Hohlkreuz besser verstehen 3.0 | $249.00 | one-time |
| Gravity Starter Coaching | $599.99 | one-time |


### STRONG ONE

[App page](https://appshunter.io/ios/app/strong-one/id6788495207)

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

**In-app purchases:** none


## Frequently asked questions

### Is gravitycoach free?

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

### Is STRONG ONE free?

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

### Do gravitycoach or STRONG ONE have ads?

Neither gravitycoach nor STRONG ONE shows ads.

### Which is updated more often, gravitycoach or STRONG ONE?

gravitycoach ships an update every 6 months, and STRONG ONE fortnightly. Most recently, gravitycoach was updated on September 24, 2026 and STRONG ONE on September 12, 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.*