# 飞行密码 vs BIMKK

The clearest difference is in-app purchases: 飞行密码 at none against BIMKK's 7. 飞行密码 also leads on iOS requirement (9.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BIMKK sells 7 one-off in-app purchases. 飞行密码 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 飞行密码 | BIMKK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 54 MB | 32 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [中教文化](https://appshunter.io/developer/1453488346) | [北京乘今科技有限公司](https://appshunter.io/developer/1833418536) |

## What reviewers say

### 飞行密码

[App page](https://appshunter.io/ios/app/id1603349357)

**Features:** macOS Compatibility

**In-app purchases:** none


### BIMKK

[App page](https://appshunter.io/ios/app/bimkk/id6477342995)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $19.90 | one-time |
| 5GB Plan | $66.00 | one-time |
| 10GB Plan | $99.00 | one-time |
| Annual Plan | $99.00 | one-time |
| 20GB Plan | $169.00 | one-time |
| 3‑Year Plan | $199.00 | one-time |
| 100GB Plan | $869.00 | one-time |


## Frequently asked questions

### Is 飞行密码 free?

飞行密码 is free to download, with no in-app purchases.

### Is BIMKK free?

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

### Do 飞行密码 or BIMKK have ads?

Neither 飞行密码 nor BIMKK shows ads.

### Which is updated more often, 飞行密码 or BIMKK?

飞行密码 ships an update every 3 weeks, and BIMKK every 3 weeks. Most recently, 飞行密码 was updated on October 5, 2026 and BIMKK on October 25, 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.*