# STMLink vs Hilly

The clearest difference is in-app purchases: STMLink at none against Hilly's 4. STMLink also leads on iOS requirement (13.0 vs 15.0). Hilly's advantage is update cadence (every 8 days vs every 8 months) and device support. On price there is nothing between them.

Both are free to download. Hilly sells 4 one-off in-app purchases. STMLink asks for nothing beyond the download.

STMLink ships an update every 8 months, Hilly every 8 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | STMLink | Hilly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 8 months | **Every 8 days** |
| Size | 77 MB | 85 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou Freewind Technology Co., Ltd.](https://appshunter.io/developer/964505043) | [Beijing Zero One Vision Technology Co.,Ltd.](https://appshunter.io/developer/1738414032) |

## What reviewers say

### STMLink

[App page](https://appshunter.io/ios/app/stmlink/id6566185311)

**In-app purchases:** none


### Hilly

[App page](https://appshunter.io/ios/app/hilly/id6785385314)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 体验版 | $3.99 | one-time |
| 成长版 | $9.99 | one-time |
| 专业版 | $39.99 | one-time |
| 尊享版 | $99.99 | one-time |


## Frequently asked questions

### Is STMLink free?

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

### Is Hilly free?

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

### Which is updated more often, STMLink or Hilly?

STMLink ships an update every 8 months, and Hilly every 8 days. Most recently, STMLink was updated on October 30, 2026 and Hilly on October 31, 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.*