# MetaKey vs 泡泡

The clearest difference is update cadence: 泡泡 at every 3 weeks against MetaKey's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MetaKey ships an update every 2 months, 泡泡 every 3 weeks. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | MetaKey | 泡泡 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 63 MB | 262 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [METAKEY  TECHNOLOGY - FZCO](https://appshunter.io/developer/1810969118) | [PoPP Global Social Limited](https://appshunter.io/developer/1895100325) |

## What reviewers say

### MetaKey

[App page](https://appshunter.io/ios/app/metakey/id6745142533)

**In-app purchases:** none


### 泡泡

[App page](https://appshunter.io/ios/app/popp/id6749615595)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MetaKey free?

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

### Is 泡泡 free?

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

### Do MetaKey or 泡泡 have ads?

Neither MetaKey nor 泡泡 shows ads.

### Which is updated more often, MetaKey or 泡泡?

MetaKey ships an update every 2 months, and 泡泡 every 3 weeks. Most recently, MetaKey was updated on October 4, 2026 and 泡泡 on October 14, 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.*