# 易行四川 vs SleepDiary

The clearest difference is in-app purchases: 易行四川 at none against SleepDiary's 3. 易行四川 also leads on iOS requirement (8.0 vs 18.6). SleepDiary's advantage is update cadence (every 5 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. SleepDiary sells 3 in-app purchases, starting at $0.99 per month. 易行四川 asks for nothing beyond the download.

易行四川 ships an update every 5 weeks, SleepDiary every 5 days. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 易行四川 | SleepDiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Size | 114 MB | 4 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Sichuan Yunkong Transportation Technology Co., Ltd.,](https://appshunter.io/developer/1382112778) | [璐 王](https://appshunter.io/developer/1884213493) |

## What reviewers say

### 易行四川

[App page](https://appshunter.io/ios/app/id1279718634)

**Features:** macOS Compatibility

**In-app purchases:** none


### SleepDiary

[App page](https://appshunter.io/ios/app/sleepdiary/id6760534533)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 睡眠声音日记 Pro | $0.99 | per month |
| 睡眠声音日记 Pro | $4.99 | per year |
| 睡眠日记 Pro | $9.99 | one-time |


## Frequently asked questions

### Is 易行四川 free?

易行四川 is free to download, with no in-app purchases.

### Is SleepDiary free?

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

### Do 易行四川 or SleepDiary have ads?

Neither 易行四川 nor SleepDiary shows ads.

### Which is updated more often, 易行四川 or SleepDiary?

易行四川 ships an update every 5 weeks, and SleepDiary every 5 days. Most recently, 易行四川 was updated on October 5, 2026 and SleepDiary on October 18, 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.*