# How睡眠 vs ROLA EN

The clearest difference is update cadence: ROLA EN at every 3 days against How睡眠's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. How睡眠 sells 5 one-off in-app purchases and ROLA EN sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

How睡眠 ships an update every 2 weeks, ROLA EN every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | How睡眠 | ROLA EN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 138 MB | 90 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [重庆鲤想派科技有限公司](https://appshunter.io/developer/1810646324) | [杰利 白](https://appshunter.io/developer/1896283054) |

## What reviewers say

### How睡眠

[App page](https://appshunter.io/ios/app/how/id6746926603)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $9.99 | one-time |
| 季度会员 | $24.99 | one-time |
| 优惠永久会员 | $29.99 | one-time |
| 年度会员 | $99.99 | one-time |
| 永久会员 | $299.99 | one-time |


### ROLA EN

[App page](https://appshunter.io/ios/app/rola-en/id6766631551)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro monthly membership | $1.99 | per month |


## Frequently asked questions

### Is How睡眠 free?

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

### Is ROLA EN free?

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

### Do How睡眠 or ROLA EN have ads?

Neither How睡眠 nor ROLA EN shows ads.

### Which is updated more often, How睡眠 or ROLA EN?

How睡眠 ships an update every 2 weeks, and ROLA EN every 3 days. Most recently, How睡眠 was updated on October 25, 2026 and ROLA EN 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.*