# iSleeper vs 阿油OK

The clearest difference is in-app purchases: 阿油OK at none against iSleeper's 3. 阿油OK also leads on update cadence (every 8 days vs every 3 weeks) and review sentiment (100% vs 89%). iSleeper's advantage is device support (4 vs 2). On price, ads, monetization model 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. 阿油OK asks for nothing beyond the download.

iSleeper ships an update every 3 weeks, 阿油OK every 8 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | iSleeper | 阿油OK |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 72 MB | 35 MB |
| Requires iOS | 15.0 | 15 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [镇坚 陈](https://appshunter.io/developer/1086447259) | [Shanghai Yining Cultural Development Co., Ltd.](https://appshunter.io/developer/1838926613) |

## 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 |


### 阿油OK

[App page](https://appshunter.io/ios/app/ok/id6752334239)

This app monitors the sleep of elderly individuals living alone, detecting potential breathing pauses and providing insights into sleep patterns. It offers family data synchronization and alerts for abnormal conditions, ensuring peace of mind for caregivers.

**Highlights:** Breathing pause detection and reminders, Automatic sleep analysis and recording, Historical sleep data review, Family data synchronization, Abnormal condition alerts, Simplified elder-friendly interface

**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 阿油OK free?

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

### Do iSleeper or 阿油OK have ads?

Neither iSleeper nor 阿油OK shows ads.

### Which is updated more often, iSleeper or 阿油OK?

iSleeper ships an update every 3 weeks, and 阿油OK every 8 days. Most recently, iSleeper was updated on November 3, 2026 and 阿油OK on October 28, 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.*