# UMindMirror vs Sleeptock

The clearest difference is in-app purchases: UMindMirror at none against Sleeptock's 4. Sleeptock's advantage is update cadence (every 9 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sleeptock sells 4 one-off in-app purchases. UMindMirror asks for nothing beyond the download.

UMindMirror ships an update every 5 weeks, Sleeptock every 9 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | UMindMirror | Sleeptock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 311 MB | 18 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen EEGSmart Technology Co., Ltd.](https://appshunter.io/developer/1072246018) | [scienceprod](https://appshunter.io/developer/1683570072) |

## What reviewers say

### UMindMirror

[App page](https://appshunter.io/ios/app/umindmirror/id6446975909)

This app monitors sleep stages, snoring, body position, and temperature using a brainwave device. It provides comprehensive sleep reports and offers a sleep encyclopedia and music to improve sleep quality and habits.

**Highlights:** EEG sleep monitoring, Sleep stage analysis, Snoring detection, Body movement tracking, Sleep music library, Sleep encyclopedia, Multi-dimensional sleep reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Sleeptock

[App page](https://appshunter.io/ios/app/sleeptock/id6448126125)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Start Delay | $0.99 | one-time |
| Presets | $0.99 | one-time |
| Sound Pack | $0.99 | one-time |
| Bundle Offer | $1.99 | one-time |


## Frequently asked questions

### Is UMindMirror free?

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

### Is Sleeptock free?

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

### Do UMindMirror or Sleeptock have ads?

Neither UMindMirror nor Sleeptock shows ads.

### Which is updated more often, UMindMirror or Sleeptock?

UMindMirror ships an update every 5 weeks, and Sleeptock every 9 days. Most recently, UMindMirror was updated on October 24, 2026 and Sleeptock on October 9, 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.*