# EMA Manager vs mySigen

The clearest difference is rating: mySigen at 3.8 against EMA Manager's 2.9. mySigen also leads on review sentiment (45% vs 16%). On price, ratings volume, update cadence and ads there is nothing between them.

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

mySigen holds the better App Store score, 3.8 against 2.9. Both are backed by a comparable volume of ratings — 16 and 22 respectively. Written reviews point the same way: 16% of EMA Manager's written reviews are positive against 45% of mySigen's.

EMA Manager ships an update every 3 weeks, mySigen every 2 weeks. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | EMA Manager | mySigen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (16 ratings)](https://appshunter.io/ios/app/ema-manager/id1538883821/reviews) | **[3.8 (22 ratings)](https://appshunter.io/ios/app/mysigen/id6446836171/reviews)** |
| Number of ratings | 16 | **22** |
| Positive reviews | 15.7% of reviews | **44.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 286 MB | 415 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Altenergy Power System,Inc.](https://appshunter.io/developer/906598006) | [Sigenergy Technology Co., Ltd.](https://appshunter.io/developer/1696875419) |

## What reviewers say

### EMA Manager

[App page](https://appshunter.io/ios/app/ema-manager/id1538883821)

Manage APsystems microinverter system commissioning, monitoring, and troubleshooting remotely. Enhance customer service with real-time diagnostics and site management capabilities from your smartphone or tablet. Track installer statistics and energy production for valuable insights.

**Highlights:** System commissioning, Remote monitoring, Troubleshooting diagnostics, Energy production tracking, Site configuration, Installer statistics

**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 EMA Manager free?

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

### Is mySigen free?

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

### Which has better reviews, EMA Manager or mySigen?

mySigen is rated higher. EMA Manager averages 2.9 out of 5 from 16 ratings, while mySigen averages 3.8 from 22 ratings.

### Do EMA Manager or mySigen have ads?

Neither EMA Manager nor mySigen shows ads.

### Which is updated more often, EMA Manager or mySigen?

EMA Manager ships an update every 3 weeks, and mySigen every 2 weeks. Most recently, EMA Manager was updated on October 20, 2026 and mySigen on October 25, 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.*