# GMO vs Heyde

The clearest difference is in-app purchases: GMO at none against Heyde's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Heyde sells 3 in-app purchases, starting at $2.99 per month. GMO asks for nothing beyond the download.

GMO ships an update every 2 weeks, Heyde fortnightly. The most recent releases landed on September 15, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | GMO | Heyde |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Size | 57 MB | 103 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TMMOB GEMI MUHENDISLERI ODASI](https://appshunter.io/developer/1583211036) | [PETRAONE TEKNOLOJI IC VE DIS TICARET LIMITED SIRKETI](https://appshunter.io/developer/1827775130) |

## What reviewers say

### GMO

[App page](https://appshunter.io/ios/app/gmo/id1583537761)

**Features:** macOS Compatibility

**In-app purchases:** none


### Heyde

[App page](https://appshunter.io/ios/app/heyde/id6748873379)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heyde Aylık Premium Üyelik | $2.99 | per month |
| Heyde 3 Aylık Premium Üyelik | $5.99 | per 3 months |
| Heyde Premium Yıllık Üyelik | $39.99 | per year |


## Frequently asked questions

### Is GMO free?

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

### Is Heyde free?

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

### Do GMO or Heyde have ads?

Neither GMO nor Heyde shows ads.

### Which is updated more often, GMO or Heyde?

GMO ships an update every 2 weeks, and Heyde fortnightly. Most recently, GMO was updated on September 15, 2026 and Heyde on September 29, 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.*