# 蜗牛睡眠 vs Kitten Sleep

The clearest difference is rating: Kitten Sleep at 4.8 against 蜗牛睡眠's 4.1. Kitten Sleep also leads on review sentiment (100% vs 58%). 蜗牛睡眠's advantage is ratings volume (202 vs 15). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 蜗牛睡眠 sells 13 in-app purchases, starting at $5.99 per month and Kitten Sleep sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Kitten Sleep holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: 蜗牛睡眠 has 202 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 58% of 蜗牛睡眠's written reviews are positive against 100% of Kitten Sleep's.

蜗牛睡眠 ships an update every 3 weeks, Kitten Sleep fortnightly. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 蜗牛睡眠 | Kitten Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (202 ratings)](https://appshunter.io/ios/app/id1025313530/reviews) | **[4.8 (15 ratings)](https://appshunter.io/ios/app/kitten-sleep/id6739670508/reviews)** |
| Number of ratings | **202** | 15 |
| Positive reviews | 57.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 371 MB | 54 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Seblong Technology Co., Ltd.](https://appshunter.io/developer/1019101277) | [丽 郝](https://appshunter.io/developer/1792664730) |

## What reviewers say

### 蜗牛睡眠

[App page](https://appshunter.io/ios/app/id1025313530)

This app monitors your sleep patterns, records snoring and other nighttime sounds, and provides insights to improve sleep quality. It offers smart alarms, guided sleep music, and detailed reports without requiring a wearable device.

**Highlights:** AI smart sleep monitoring, Snoring and dream sound recording, Sleep stage analysis, Sleep quality assessment, Snoring severity evaluation, Smart alarm for light sleep, Guided sleep music

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly recurring membership | $5.99 | per month |
| 连续包年会员 | $15.99 | per year |
| Seasonly recurring membership | $16.99 | per 3 months |
| Yearly recurring membership | $29.99 | per year |
| 助眠曲-轻轻的，梦来了 | $0.99 | one-time |
| 缓解焦虑冥想 | $2.99 | one-time |
| 助眠曲-深度睡眠引导练习 | $2.99 | one-time |
| HIFIVE 助眠曲——失眠党：低频纯音 | $4.99 | one-time |
| 沙皮助眠曲——晚安 | $4.99 | one-time |
| 一个月会员 | $5.99 | one-time |
| 1年会员 | $14.99 | one-time |
| 蜗牛睡眠-终身会员 | $39.99 | one-time |
| 蜗牛睡眠-终身会员 | $59.99 | one-time |

**What reviewers like**

- 👍 Good for sleep tracking and analysis
- 🎵 Helpful sleep sounds and music
- 🔍 Accurate sleep detection and recording

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 💰 Aggressive monetization and paywall
- 🌐 Lack of language options beyond Chinese

**Reported bugs**

- Login and registration issues
- Unreliable sleep recording and analysis
- Compatibility problems with newer devices

**Requested features**

- More sleep music and sound options
- Improved sleep data visualization
- Multi-language support


### Kitten Sleep

[App page](https://appshunter.io/ios/app/kitten-sleep/id6739670508)

Effortlessly track your sleep without wearables using just your phone. Gain insights into sleep patterns, receive personalized AI scores, and monitor 30-day trends to improve sleep quality. Data is kept private and local.

**Highlights:** Automatic sleep tracking without wearables, Zero battery drain technology, Contact-free sleep analysis, Visualized sleep duration reports, AI Sleep Score, 30-day sleep trend analysis, 100% local data privacy

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly subscription | $2.99 | per month |
| Subscribe continuously  1 year | $9.99 | per year |


## Frequently asked questions

### Is 蜗牛睡眠 free?

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

### Is Kitten Sleep free?

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

### Which has better reviews, 蜗牛睡眠 or Kitten Sleep?

Kitten Sleep is rated higher. 蜗牛睡眠 averages 4.1 out of 5 from 202 ratings, while Kitten Sleep averages 4.8 from 15 ratings.

### Do 蜗牛睡眠 or Kitten Sleep have ads?

Both 蜗牛睡眠 and Kitten Sleep show ads.

### Which is updated more often, 蜗牛睡眠 or Kitten Sleep?

蜗牛睡眠 ships an update every 3 weeks, and Kitten Sleep fortnightly. Most recently, 蜗牛睡眠 was updated on October 24, 2026 and Kitten Sleep on October 19, 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.*