# 东进 vs AirSize

The clearest difference is iOS requirement: 东进 at 12.0 against AirSize's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 东进 sells 9 one-off in-app purchases and AirSize sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

东进 ships an update every 9 days, AirSize weekly. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 东进 | AirSize |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 36 MB | 8 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Chengdu Moyan Network Technology Co., Ltd](https://appshunter.io/developer/1773336357) | [Shenzhen Dimension Brush Technology Co., Ltd](https://appshunter.io/developer/1855768857) |

## What reviewers say

### 东进

[App page](https://appshunter.io/ios/app/id6736810638)

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁钥匙10个 | $0.99 | one-time |
| 解锁钥匙60个 | $0.99 | one-time |
| 30天全能会员 | $0.99 | one-time |
| 7天全能会员 | $0.99 | one-time |
| 解锁钥匙120个 | $1.99 | one-time |
| 解锁钥匙180个 | $2.99 | one-time |
| 解锁钥匙300个 | $3.99 | one-time |
| 180天全能会员 | $5.99 | one-time |
| 365天全能会员 | $9.99 | one-time |


### AirSize

[App page](https://appshunter.io/ios/app/airsize/id6755718658)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 妙测 Pro | $0.99 | one-time |


## Frequently asked questions

### Is 东进 free?

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

### Is AirSize free?

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

### Do 东进 or AirSize have ads?

Neither 东进 nor AirSize shows ads.

### Which is updated more often, 东进 or AirSize?

东进 ships an update every 9 days, and AirSize weekly. Most recently, 东进 was updated on November 8, 2026 and AirSize on October 30, 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.*