# 知我 vs StaySleep 睡着了

The clearest difference is rating: 知我 at 5.0 against StaySleep 睡着了's 4.5. 知我 also leads on in-app purchases (none vs 6) and review sentiment (100% vs 83%). StaySleep 睡着了's advantage is update cadence (every 5 days vs monthly) and ratings volume (10 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. StaySleep 睡着了 sells 6 in-app purchases, starting at $2.99 per 7 days. 知我 asks for nothing beyond the download.

知我 holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 3 and 10 respectively. Written reviews point the same way: 100% of 知我's written reviews are positive against 83% of StaySleep 睡着了's.

知我 ships an update monthly, StaySleep 睡着了 every 5 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | 知我 | StaySleep 睡着了 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id1468035013/reviews)** | [4.5 (10 ratings)](https://appshunter.io/ios/app/staysleep/id1640290061/reviews) |
| Number of ratings | 3 | **10** |
| Positive reviews | **100.0% of reviews** | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 81 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Accanto Co., Ltd.](https://appshunter.io/developer/1330534480) | [逸飞 胡](https://appshunter.io/developer/1638570841) |

## What reviewers say

### 知我

[App page](https://appshunter.io/ios/app/id1468035013)

This app provides a friendly and honest way to record your current state. It's designed to help individuals, including those with health conditions or mental health challenges, begin to see positive change through objective self-awareness.

**Highlights:** Honest self-recording, Objective self-awareness, Record current state, Leave a mark on time, User feedback welcome

**Features:** Vision Pro support

**In-app purchases:** none


### StaySleep 睡着了

[App page](https://appshunter.io/ios/app/staysleep/id1640290061)

This app helps users combat late-night habits by visualizing their sleep patterns. It offers detailed sleep analysis, customizable heatmaps, and integrates with health data to encourage better sleep hygiene.

**Highlights:** 熬夜热力图 (Late-night heatmap), 睡眠分析 (Sleep analysis), 多数据来源 (Multiple data sources), 桌面与锁屏小组件 (Desktop and lock screen widgets), 睡眠计时器 (Sleep timer), 一键记录睡眠 (One-tap sleep logging), 熬夜与睡眠质量通知 (Late-night and sleep quality notifications)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StaySleep Pro 周会员 | $2.99 | per 7 days |
| StaySleep Pro月度会员 | $2.99 | per month |
| StaySleep Pro季度会员 | $6.99 | per 3 months |
| StaySleep Pro年度会员 | $9.99 | per year |
| StaySleep Pro 永久会员 | $14.99 | one-time |
| StaySleep Pro | $24.99 | one-time |


## Frequently asked questions

### Is 知我 free?

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

### Is StaySleep 睡着了 free?

StaySleep 睡着了 is free to download, with in-app purchases available.

### Which has better reviews, 知我 or StaySleep 睡着了?

知我 is rated higher. 知我 averages 5.0 out of 5 from 3 ratings, while StaySleep 睡着了 averages 4.5 from 10 ratings.

### Do 知我 or StaySleep 睡着了 have ads?

Neither 知我 nor StaySleep 睡着了 shows ads.

### Which is updated more often, 知我 or StaySleep 睡着了?

知我 ships an update monthly, and StaySleep 睡着了 every 5 days. Most recently, 知我 was updated on November 3, 2026 and StaySleep 睡着了 on November 3, 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.*