# wellune vs Sleep Tech

The clearest difference is in-app purchases: wellune at none against Sleep Tech's 2. wellune also leads on iOS requirement (16.6 vs 18.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sleep Tech sells 2 in-app purchases, starting at $1.99 per month. wellune asks for nothing beyond the download.

wellune ships an update fortnightly, Sleep Tech every 2 weeks. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | wellune | Sleep Tech |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 167 MB | 53 MB |
| Requires iOS | **16.6** | 18.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [wellune Co.,Ltd.](https://appshunter.io/developer/1896546581) | [Hevers Co.,Ltd](https://appshunter.io/developer/1865857547) |

## What reviewers say

### wellune

[App page](https://appshunter.io/ios/app/wellune/id1634542269)

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

**In-app purchases:** none


### Sleep Tech

[App page](https://appshunter.io/ios/app/sleep-tech/id6757299435)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 구독 (1개월) | $1.99 | per month |
| 프리미엄 구독 (1년) | $19.99 | per year |


## Frequently asked questions

### Is wellune free?

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

### Is Sleep Tech free?

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

### Do wellune or Sleep Tech have ads?

Neither wellune nor Sleep Tech shows ads.

### Which is updated more often, wellune or Sleep Tech?

wellune ships an update fortnightly, and Sleep Tech every 2 weeks. Most recently, wellune was updated on September 15, 2026 and Sleep Tech on September 14, 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.*