# i岳塘 vs 掌上双清

The clearest difference is update cadence: i岳塘 at every 4 months against 掌上双清's every 24 months. 掌上双清's advantage is iOS requirement (9.0 vs 13.0). 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.

i岳塘 ships an update every 4 months, 掌上双清 every 24 months. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | i岳塘 | 掌上双清 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 24 months |
| Size | 140 MB | 117 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hunan Daily](https://appshunter.io/developer/1481531193) | [湖南红网新媒科技发展有限公司](https://appshunter.io/developer/1485504595) |

## What reviewers say

### i岳塘

[App page](https://appshunter.io/ios/app/i/id1471260099)

**In-app purchases:** none


### 掌上双清

[App page](https://appshunter.io/ios/app/id1493746776)

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

**In-app purchases:** none


## Frequently asked questions

### Is i岳塘 free?

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

### Is 掌上双清 free?

掌上双清 is free to download, with no in-app purchases.

### Do i岳塘 or 掌上双清 have ads?

Neither i岳塘 nor 掌上双清 shows ads.

### Which is updated more often, i岳塘 or 掌上双清?

i岳塘 ships an update every 4 months, and 掌上双清 every 24 months. Most recently, i岳塘 was updated on September 8, 2026 and 掌上双清 on September 9, 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.*