# 空中美語APP+ vs OnninMemo

The clearest difference is in-app purchases: OnninMemo at none against 空中美語APP+'s 2. OnninMemo also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 空中美語APP+ sells 2 in-app purchases, starting at $2.99 per month. OnninMemo asks for nothing beyond the download.

空中美語APP+ ships an update every 2 weeks, OnninMemo every 3 days. The most recent releases landed on October 2, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 空中美語APP+ | OnninMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 59 MB | 25 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [空中美語](https://appshunter.io/developer/1373172419) | [WEN CHENG YEH](https://appshunter.io/developer/1896404314) |

## What reviewers say

### 空中美語APP+

[App page](https://appshunter.io/ios/app/app-plus/id6753041631)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 超值方案 | $2.99 | per month |
| AI方案 | $5.99 | per month |


### OnninMemo

[App page](https://appshunter.io/ios/app/onninmemo/id6776582083)

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

**In-app purchases:** none


## Frequently asked questions

### Is 空中美語APP+ free?

空中美語APP+ is free to download, with in-app purchases available.

### Is OnninMemo free?

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

### Do 空中美語APP+ or OnninMemo have ads?

Neither 空中美語APP+ nor OnninMemo shows ads.

### Which is updated more often, 空中美語APP+ or OnninMemo?

空中美語APP+ ships an update every 2 weeks, and OnninMemo every 3 days. Most recently, 空中美語APP+ was updated on October 2, 2026 and OnninMemo on September 27, 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.*