# IAMMETER vs mySigen

The clearest difference is review sentiment: IAMMETER at 100% against mySigen's 45%. mySigen's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

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

IAMMETER ships an update every 6 weeks, mySigen every 2 weeks. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | IAMMETER | mySigen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (21 ratings)](https://appshunter.io/ios/app/mysigen/id6446836171/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | **100.0% of reviews** | 44.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 12 MB | 406 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Lewei IoT Technologies Co.,Ltd.](https://appshunter.io/developer/877984904) | [Sigenergy Technology Co., Ltd.](https://appshunter.io/developer/1696875419) |

## What reviewers say

### IAMMETER

[App page](https://appshunter.io/ios/app/iammeter/id1414075406)

Monitor your home's electricity consumption in real-time. Track energy flow, grid import/export, and solar PV production. Integrate with popular home automation systems.

**Highlights:** Real-time electricity usage tracking, Monitor energy flow, Solar PV system production monitoring, Grid import/export tracking, Home automation integration

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

**In-app purchases:** none


### mySigen

[App page](https://appshunter.io/ios/app/mysigen/id6446836171)

Manage your Sigenergy System with this app. It offers real-time energy monitoring, data graphs, and control over your home's energy flow. Installers can benefit from efficient commissioning and system management tools.

**Highlights:** Real-time energy monitoring, Device control, Data graphs, System configuration, Installer features, System commissioning

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is IAMMETER free?

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

### Is mySigen free?

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

### Do IAMMETER or mySigen have ads?

Neither IAMMETER nor mySigen shows ads.

### Which is updated more often, IAMMETER or mySigen?

IAMMETER ships an update every 6 weeks, and mySigen every 2 weeks. Most recently, IAMMETER was updated on September 10, 2026 and mySigen on September 23, 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.*