# 海思分级阅读 vs 静心空间

The clearest difference is in-app purchases: 静心空间 at none against 海思分级阅读's 2. 静心空间 also leads on update cadence (every 6 days vs every 4 months). 海思分级阅读's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 海思分级阅读 sells 2 one-off in-app purchases. 静心空间 asks for nothing beyond the download.

海思分级阅读 ships an update every 4 months, 静心空间 every 6 days. The most recent releases landed on September 12, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | 海思分级阅读 | 静心空间 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 6 days** |
| Size | 2 MB | 19 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Shuya Information Technology Co., LTD](https://appshunter.io/developer/1619754693) | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) |

## What reviewers say

### 海思分级阅读

[App page](https://appshunter.io/ios/app/raz/id6736525789)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 海思分级阅读1年会员 | $19.99 | one-time |
| 海思分级阅读5年会员 | $29.99 | one-time |


### 静心空间

[App page](https://appshunter.io/ios/app/id6743310484)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 海思分级阅读 free?

海思分级阅读 is free to download, with in-app purchases available.

### Is 静心空间 free?

静心空间 is free to download, with no in-app purchases.

### Do 海思分级阅读 or 静心空间 have ads?

静心空间 shows ads; 海思分级阅读 does not.

### Which is updated more often, 海思分级阅读 or 静心空间?

海思分级阅读 ships an update every 4 months, and 静心空间 every 6 days. Most recently, 海思分级阅读 was updated on September 12, 2026 and 静心空间 on May 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*