# Hard Gуm vs StableFit PRO

The clearest difference is in-app purchases: Hard Gуm at none against StableFit PRO's 4. Hard Gуm also leads on iOS requirement (12.0 vs 15.0.0). StableFit PRO's advantage is update cadence (fortnightly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. StableFit PRO sells 4 in-app purchases, starting at $19.99 per month. Hard Gуm asks for nothing beyond the download.

Hard Gуm ships an update every 3 months, StableFit PRO fortnightly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hard Gуm | StableFit PRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 52 MB | 159 MB |
| Requires iOS | **12.0** | 15.0.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LUCKYSOFT OU](https://appshunter.io/developer/1242118176) | [SavvaDev](https://appshunter.io/developer/1773169566) |

## What reviewers say

### Hard Gуm

[App page](https://appshunter.io/ios/app/hard-gm/id6749853387)

**Features:** macOS Compatibility

**In-app purchases:** none


### StableFit PRO

[App page](https://appshunter.io/ios/app/stablefit-pro/id6755842178)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StableFit PRO Monthly | $19.99 | per month |
| StableFit PRO Monthly | $19.99 | per month |
| StableFit PRO Yearly | $99.99 | per year |
| StableFit PRO Yearly | $99.99 | per year |


## Frequently asked questions

### Is Hard Gуm free?

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

### Is StableFit PRO free?

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

### Do Hard Gуm or StableFit PRO have ads?

Neither Hard Gуm nor StableFit PRO shows ads.

### Which is updated more often, Hard Gуm or StableFit PRO?

Hard Gуm ships an update every 3 months, and StableFit PRO fortnightly. Most recently, Hard Gуm was updated on October 14, 2026 and StableFit PRO on October 24, 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.*