# achei vs 百灵·Ling

The clearest difference is in-app purchases: achei at none against 百灵·Ling's 6. 百灵·Ling's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. 百灵·Ling sells 6 in-app purchases, starting at $2.99 per month. achei asks for nothing beyond the download.

achei ships an update every 2 weeks, 百灵·Ling every 10 days. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | achei | 百灵·Ling |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 17 MB | 103 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [WooSync (Shanghai) Technology Co., Ltd](https://appshunter.io/developer/1766014898) | [铭高 袁](https://appshunter.io/developer/1839832219) |

## What reviewers say

### achei

[App page](https://appshunter.io/ios/app/achei/id6670375901)

**Features:** macOS Compatibility

**In-app purchases:** none


### 百灵·Ling

[App page](https://appshunter.io/ios/app/ling/id6759032853)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro月度订阅 | $2.99 | per month |
| 100 灵力 | $0.99 | one-time |
| 300 灵力 | $1.99 | one-time |
| 600 灵力 | $3.99 | one-time |
| 1500 灵力 | $7.99 | one-time |
| Pro 永久解锁 | $9.99 | one-time |


## Frequently asked questions

### Is achei free?

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

### Is 百灵·Ling free?

百灵·Ling is free to download, with in-app purchases available.

### Do achei or 百灵·Ling have ads?

Neither achei nor 百灵·Ling shows ads.

### Which is updated more often, achei or 百灵·Ling?

achei ships an update every 2 weeks, and 百灵·Ling every 10 days. Most recently, achei was updated on September 30, 2026 and 百灵·Ling on October 1, 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.*