# 小睡眠 vs in动

The clearest difference is in-app purchases: in动 at none against 小睡眠's 28. in动 also leads on ads (none vs shown) and rating (5.0 vs 4.7). 小睡眠's advantage is ratings volume (639 vs 1) and device support (4 vs 2). On price and update cadence there is nothing between them.

Both are free to download. 小睡眠 sells 24 in-app purchases, starting at $0.99 per month. in动 asks for nothing beyond the download.

in动 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: 小睡眠 has 639 ratings behind it against 1, so its average is the more settled of the two.

小睡眠 ships an update every 2 weeks, in动 every 3 weeks. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 小睡眠 | in动 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (639 ratings)](https://appshunter.io/ios/app/id1194338569/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/in/id1566486191/reviews)** |
| Number of ratings | **639** | 1 |
| Positive reviews | 75.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Freemium | **Free** |
| Size | 455 MB | 79 MB |
| Requires iOS | 15 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Heartide Inc.](https://appshunter.io/developer/990620907) | [Yichang Yin'ai Technology Co., Ltd.](https://appshunter.io/developer/1566486193) |

## What reviewers say

### 小睡眠

[App page](https://appshunter.io/ios/app/id1194338569)

This app offers a comprehensive suite of tools to improve sleep quality. It features a vast library of soothing sounds, guided meditations, sleep stories, and advanced sleep tracking. It also includes smart alarms and digital therapy programs to help users fall asleep faster and wake up refreshed.

**Highlights:** Extensive sound library (white noise, ASMR, nature sounds), Guided meditations and sleep stories, Advanced sleep tracking (dream recording, snoring detection), Smart, gentle alarm clock, Digital therapy for insomnia (CBT-I), Wearable app for HRV and heart rate analysis

**Features:** macOS Compatibility, Siri integration, Apple Watch app, Vision Pro support

**In-app purchases (24)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月声音卡 | $0.99 | per month |
| Continuous Monthly VIP | $2.99 | per month |
| Continuous Monthly VIP | $3.49 | per month |
| 声音卡连续包年 | $13.49 | per year |
| Continuous Year VIP | $29.99 | per year |
| Continuous Year VIP | $29.99 | per year |
| Purchase sleep coins (price 8) | $0.99 | one-time |
| Purchase sleep coins (6) | $0.99 | one-time |
| Purchase sleep coins(10） | $0.99 | one-time |
| Purchase sleep coins(9） | $0.99 | one-time |
| Purchase sleep coins(price 18) | $2.99 | one-time |
| Purchase sleep coins(20） | $2.99 | one-time |
| 1-Mon VIP | $3.99 | one-time |
| Purchase sleep coins (30) | $3.99 | one-time |
| Purchase sleep coins(price 60) | $8.99 | one-time |
| Purchase sleep coins(price 88) | $12.99 | one-time |
| Purchase sleep coins(118) | $17.99 | one-time |
| Purchase sleep coins(134) | $19.99 | one-time |
| Purchase sleep coins(138) | $19.99 | one-time |
| Purchase sleep coins(131) | $19.99 | one-time |
| Purchase sleep coins(163) | $22.99 | one-time |
| Purchase sleep coins(188) | $29.99 | one-time |
| 12-Mon VIP | $39.99 | one-time |
| 购买睡贝 (价格698) | $99.99 | one-time |

**What reviewers like**

- 👍 Variety of sounds
- 💤 Helpful for sleep
- 🎨 Appealing interface
- 🆓 Mostly free content

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔌 Drains battery
- 🤔 Confusing navigation
- 💰 Aggressive monetization

**Reported bugs**

- Alarm clock not working
- Sounds fail to load
- Language settings reset

**Requested features**

- Offline sound downloads
- Landscape mode for tablets
- Multi-language support
- Customizable playlists


### in动

[App page](https://appshunter.io/ios/app/in/id1566486191)

This app offers scientific pelvic floor muscle training, a community for discussing intimacy and fitness, and expert reviews of adult products. It aims to improve sexual experiences and aid postpartum recovery for women.

**Highlights:** Scientific pelvic floor muscle training, Community for discussion and sharing, Expert reviews of adult products, Postpartum recovery support, Shopping for reviewed products

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 小睡眠 free?

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

### Is in动 free?

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

### Which has better reviews, 小睡眠 or in动?

in动 is rated higher. 小睡眠 averages 4.7 out of 5 from 639 ratings, while in动 averages 5.0 from 1 ratings.

### Do 小睡眠 or in动 have ads?

小睡眠 shows ads; in动 does not.

### Which is updated more often, 小睡眠 or in动?

小睡眠 ships an update every 2 weeks, and in动 every 3 weeks. Most recently, 小睡眠 was updated on October 20, 2026 and in动 on October 17, 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.*