# EMA App

> Energy monitoring app for APsystems microinverter users to track PV system performance. (iPhone/iPad app by Altenergy Power System,Inc..)

- Source: https://appshunter.io/ios/app/ema-app/id984843541 (this page in markdown: same URL + `.md`)
- Developer: [Altenergy Power System,Inc.](https://appshunter.io/developer/906598006)
- Category: Business
- Price: Free
- Rating: 2.60/5 from 101 App Store ratings · 317 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.1 · 159 MB
- Languages: American English, Croatian, Dutch, French (France), German (Germany), Norwegian Bokmål, Polish, European Portuguese, Chinese (Simplified, China), European Spanish and 2 more
- Released: 2015-04-26
- Data updated: 2026-08-28
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ema-app/id984843541/reviews.md

## What is EMA App?

EMA App is an energy monitoring application for smart phones, designed for end users of APsystems microinverter products. Users can check the real-time performance, historical power output, and environmental benefits of their PV system.

Main function:
-Display the system real-time output power
-Dynamically switch between PV system historical output power and environmental benefits
-Monitor and review system output by Day, Month, Year and Lifetime of the PV array
-Display the registration information, equipment profile and installer contact information for the PV system

## Key features

- Real-time output power display
- Historical power output tracking
- Environmental benefits monitoring
- Daily, monthly, yearly, and lifetime output review
- System registration and equipment profile
- Installer contact information

## What do users think of EMA App?

Overall sentiment: mixed

**Pros**

- ✅ Accurate solar panel energy production tracking
- 📊 Clear and easy-to-understand data visualization
- 🌍 CO2 reduction metrics display
- ⚡ Reliable hardware performance
- 📱 Basic functionality works when operational
- 🔍 Individual panel performance monitoring (when available)
- 🎯 Provides essential information at a glance

**Cons**

- 🐛 Frequent app crashes and freezes
- 🔌 Unreliable connectivity and offline issues
- ⏰ Data consistently 10-15 minutes to hours behind real-time
- 🌙 Night mode/dark mode won't persist after closing app
- ⚙️ Settings not retained between sessions
- 📵 Login failures and authentication issues
- 🔄 Requires manual refresh of data on every page load
- 📱 No iPad support or landscape mode
- 🔐 Security vulnerabilities (neighbors can hack)
- ❌ Missing module/panel view in recent updates
- 🚫 App frequently goes offline
- 🔧 Poor customer support responsiveness
- 📊 Data resets after firmware updates
- ⚠️ Inconsistent performance across devices

**Commonly reported bugs**

- App won't open on iPad after recent updates
- Night/dark mode doesn't persist when app is closed
- Login screen infinite loading circle
- App crashes regularly and becomes unusable
- Data page requires manual selection every time to display information
- Zoom feature too sensitive and uncontrollable
- Environmental Protection Benefit data resets after firmware updates
- App offline more often than online
- Cannot edit user ID after installation
- Privacy Policy agreement screen unresponsive
- Version number doesn't update correctly after app updates
- No data displayed after latest updates
- App doesn't show 2025 year
- Panels stop generating power without notification
- Data missing until after sunset
- App requires reinstall to regain access
- Module page disappeared in recent updates
- App only works on home WiFi, not cellular data
- Slow data refresh rates (5-minute intervals)
- Inconsistent date handling

**Most requested features**

- iOS widgets for home screen and lock screen
- Apple Watch app and watch face widgets
- iPad app with landscape mode support
- Auto-refresh functionality for live data updates
- Persistent login credentials
- Automatic dark mode based on system settings
- 13-month view instead of 12 months for year-over-year comparison
- Month and year navigation by month/year instead of daily increments
- CSV export functionality for data
- Real-time data instead of delayed updates
- Home energy consumption and grid export data display
- Ability to set custom billing period dates
- Alert notifications for system failures or low production
- Zoom control for data charts
- Realistic panel layout configuration
- Historical data access by clicking on specific dates
- Live Activities feature
- Ability to edit user ID and account details
- Messaging system for alerts
- Referral tracking system

## Recent user reviews (10 of 317)

All indexed reviews: https://appshunter.io/ios/app/ema-app/id984843541/reviews.md

### 2/5 — Unreliable Data

*2026-08-21, version 8.14.13*

I started monitoring my solar system frequently ever since the breaker in the electrical panel tripped and we weren’t producing June and July.  

There needs to be a notification when the is ZERO power production.  

Unreliable because on several occasions in the past 10 days I check the app and there is NO DATA. 

I contact Support and they see all the data. 

When I check again data is there. 
Again now I check and there is no data displayed.  

Totally unreliable as far as I’m concerned.

### 1/5 — Frustrating!

*2026-08-19, version 8.14.13*

Half the time I cant log into the app, I just get the "spinning wheel of death".  Because of this i stopped logging in for several months recently.  I then logged in to find out that I had been offline since a power outage last December!  So i had zero data for power generation since then. 😡THEN when I discovered that 1/3 of my system wasnt generating power for who knows how long!! 🤬 Then I realize that there is no way to set up text or email notifications for something  goes wrong with the system!  Who the H#LL designed this software??  Was this a high school computer class project??

### 5/5 — Good

*2026-06-30, version 8.14.12*

This has worked well for me I have been using it for 10 years I haven’t had any problems with it!

### 1/5 — Current Data completely inaccurate

*2026-06-23, version 8.14.11*

While historical data appears okay after a couple of days the current data in Home Screen and in data charts is completely inaccurate.  It seems to stop utilizing any data set after 7 am although the historical data seems to capture all the current data.  So basically useless for current info.

### 2/5 — Buggy UI with Dynamic Energy

*2026-05-30, version 8.14.11*

Mostly works  if you just want the status of production of your system/panels. 

Dynamic Energy settings and feature are a mess though for me with updates not seeming to work, phantom settings persisting (and turning off your system when it should be producing and costing you money). 

Customer Service is semi responsive but ultimately no solution to the problem yet after 6 weeks of back and forth. I can’t recommend the system or the app at this point.

### 4/5 — It works

*2026-05-01, version 8.14.11*

I use this app to managed my solar system at home.  I do wish “night mode” was dark mode instead, allowing me to keep the dark mode look permanently instead of it switching back to light mode when I reopen the app.

### 1/5 — Wifi indisponible sur ECU-C

*2026-04-29, version 8.14.11*

Depuis les dernières MAJ de l’app et surtout de l’ECU-C, impossible de configurer le wifi sur cette dernière: pas de possibilité d’entrer le wifi de la box internet, plus de ECU-WIFI_XXXX local proposé. La box internet est loin du tableau électrique hors j’ai besoin que l’ECU-C soit près du tableau électrique pour y connecter mes CT et faire du contrôle d’injection. Ça eu marché avant, maintenant ça ne marche plus. Tant que ce n’est pas résolu, je n’installerai plus d’APS chez mes clients.
Dommage

### 3/5 — Problème d’ouverture sur iPad 26.4

*2026-03-28, version 8.14.11*

App bien dans l’ensemble par contre depuis quelques semaines plus possible de l’ouvrir sur iPad après une 10 de suppressions et de réinstaller toujours rien

### 1/5 — Problème mode jour/nuit

*2026-03-21, version 8.14.11*

Impossible de lire les données en mode jour il faut passer en mode nuit. Tant mieux c’est le meilleur mode. Le problème c’est qu’à chaque redémarrage de l’application on repasse en mode jour. Il serait temps de faire quelque chose

### 1/5 — App does not remember settings

*2026-03-18, version 8.14.11*

The app does not remember to stay in dark mode when I fully close the app. After I set the dark mode everything looks OK. I expect it to reopen it dark mode until changed, but when I close and reopen it the bottom part (menu) stays in dark mode, but the upper part is in bright mode. This is unexpected behavior.

## Frequently asked questions about EMA App

### What does the EMA App do?

The EMA App is an energy monitoring application designed for users of APsystems microinverter products. It allows you to check the real-time performance, historical power output, and environmental benefits of your photovoltaic (PV) system.

### What are the main features of the EMA App?

Key features include displaying the system's real-time output power, dynamically switching between historical output power and environmental benefits, and monitoring system output by Day, Month, Year, and Lifetime. It also shows registration information, equipment profiles, and installer contact details.

### Is the EMA App free to use?

Based on the provided information, the EMA App is available for free. There are no mentions of in-app purchases or advertisements, suggesting a completely free service for users.

### Who is the EMA App intended for?

This application is specifically designed for end users of APsystems microinverter products. If you have a PV system utilizing APsystems technology, this app will help you monitor its performance.

### How can I review my PV system's performance over time?

The EMA App allows you to monitor and review your system's output by Day, Month, Year, and Lifetime. This provides a comprehensive view of your PV array's historical performance and its environmental contributions.

## Version history (last 5 releases)

### 8.14.13 — 2026-07-07

Fix some bugs

### 8.14.12 — 2026-06-30

ECU & Energy Storage: Adapt new meter types.
Local Direct Connection: Add direct-connected meter function.

### 8.14.11 — 2026-03-17

1.Adapted to the new model AHS-6.3-SP.
2.Fixed some bugs.

### 8.14.10 — 2026-02-26

Fix some bugs.

### 8.14.9 — 2025-12-10

Modified charging/discharging time strategy rules.

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## More apps by Altenergy Power System,Inc.

- [EMA Manager](https://appshunter.io/ios/app/ema-manager/id1538883821)
- [YOTTA DPI APP](https://appshunter.io/ios/app/yotta-dpi-app/id6443931737)
- [AP EasyPower](https://appshunter.io/ios/app/ap-easypower/id6445806748)
- [YOTTA DPI MANAGER APP](https://appshunter.io/ios/app/yotta-dpi-manager-app/id6450691039)
- [APcharger](https://appshunter.io/ios/app/apcharger/id6478760582)

All apps by Altenergy Power System,Inc.: https://appshunter.io/developer/906598006

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[ap systems ema](https://appshunter.io/ios/topics/ap-systems-ema) · [ap systems](https://appshunter.io/ios/topics/ap-systems) · [eastmanone](https://appshunter.io/ios/topics/eastmanone) · [quiktrip ema](https://appshunter.io/ios/topics/quiktrip-ema) · [energon ems](https://appshunter.io/ios/topics/energon-ems) · [bescore mems](https://appshunter.io/ios/topics/bescore-mems) · [delios solar app](https://appshunter.io/ios/topics/delios-solar-app)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*