# APPA Connect vs ClampMeter

The clearest difference is update cadence: ClampMeter at every 2 months against APPA Connect's every 17 months. ClampMeter also leads on 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.

APPA Connect ships an update every 17 months, ClampMeter every 2 months. Both last shipped on September 20, 2026.

## The numbers

| Metric | APPA Connect | ClampMeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 months** |
| Size | 1 MB | 26 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MGL APPA CORPORATION](https://appshunter.io/developer/1121102475) | [ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.](https://appshunter.io/developer/1064839954) |

## What reviewers say

### APPA Connect

[App page](https://appshunter.io/ios/app/appa-connect/id1121102476)

**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 APPA Connect free?

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

### Is ClampMeter free?

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

### Do APPA Connect or ClampMeter have ads?

Neither APPA Connect nor ClampMeter shows ads.

### Which is updated more often, APPA Connect or ClampMeter?

APPA Connect ships an update every 17 months, and ClampMeter every 2 months. Most recently, APPA Connect was updated on September 20, 2026 and ClampMeter on September 20, 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.*