# 云图数字 vs ClampMeter

The clearest difference is iOS requirement: ClampMeter at 9.0 against 云图数字's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

云图数字 ships an update monthly, ClampMeter every 2 months. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 云图数字 | ClampMeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 67 MB | 26 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [深圳市云图数字科技有限公司](https://appshunter.io/developer/1485545970) | [ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.](https://appshunter.io/developer/1064839954) |

## What reviewers say

### 云图数字

[App page](https://appshunter.io/ios/app/id1485545971)

**Features:** macOS Compatibility

**In-app purchases:** none


### ClampMeter

[App page](https://appshunter.io/ios/app/clampmeter/id6448405311)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 云图数字 free?

云图数字 is free to download, with no in-app purchases.

### Is ClampMeter free?

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

### Do 云图数字 or ClampMeter have ads?

Neither 云图数字 nor ClampMeter shows ads.

### Which is updated more often, 云图数字 or ClampMeter?

云图数字 ships an update monthly, and ClampMeter every 2 months. Most recently, 云图数字 was updated on October 17, 2026 and ClampMeter on October 7, 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.*