# iSleeper vs 博医系统定制版

The clearest difference is in-app purchases: 博医系统定制版 at none against iSleeper's 3. iSleeper's advantage is update cadence (every 3 weeks vs every 20 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. iSleeper sells 3 in-app purchases, starting at $1.99 per month. 博医系统定制版 asks for nothing beyond the download.

iSleeper ships an update every 3 weeks, 博医系统定制版 every 20 months. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | iSleeper | 博医系统定制版 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (7 ratings)](https://appshunter.io/ios/app/isleeper-sleep-tracker/id1622341132/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 89.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 20 months |
| Monetization | Freemium | — |
| Size | 72 MB | 18 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [镇坚 陈](https://appshunter.io/developer/1086447259) | [Hengsheng Medical Technology Corp., Ltd](https://appshunter.io/developer/1250315539) |

## What reviewers say

### iSleeper

[App page](https://appshunter.io/ios/app/isleeper-sleep-tracker/id1622341132)

This app monitors sleep cycles and records sleep sounds using neural network algorithms. It features a smart alarm clock with light sleep wake-up and voice control, and provides comprehensive sleep statistics. Recordings are stored locally for privacy.

**Highlights:** Sleep cycle analysis, Snore and sleep talk recording, Smart alarm with light sleep wake-up, Voice control for snooze, Comprehensive sleep statistics, Automatic sleep tracking with Apple Watch

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $9.99 | per year |
| Lifetime Pro | $24.99 | one-time |


### 博医系统定制版

[App page](https://appshunter.io/ios/app/id6449509492)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iSleeper free?

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

### Is 博医系统定制版 free?

博医系统定制版 is free to download, with no in-app purchases.

### Do iSleeper or 博医系统定制版 have ads?

Neither iSleeper nor 博医系统定制版 shows ads.

### Which is updated more often, iSleeper or 博医系统定制版?

iSleeper ships an update every 3 weeks, and 博医系统定制版 every 20 months. Most recently, iSleeper was updated on October 16, 2026 and 博医系统定制版 on October 12, 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.*