# EMA App vs SolarEdge ONE for EV

The clearest difference is device support: EMA App at 3 against SolarEdge ONE for EV's 1. 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.

EMA App ships an update every 2 weeks, SolarEdge ONE for EV every 3 weeks. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | EMA App | SolarEdge ONE for EV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (112 ratings)](https://appshunter.io/ios/app/ema-app/id984843541/reviews)** | — |
| Number of ratings | **112** | — |
| Positive reviews | 26.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 259 MB | 84 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Altenergy Power System,Inc.](https://appshunter.io/developer/906598006) | [WEVO ENERGY LTD](https://appshunter.io/developer/1618938199) |

## What reviewers say

### EMA App

[App page](https://appshunter.io/ios/app/ema-app/id984843541)

Monitor your solar energy system's performance in real-time and review historical data. Track power output, environmental benefits, and system details for APsystems microinverter users.

**Highlights:** 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

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

**In-app purchases:** none

**What reviewers like**

- ✅ 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

**What reviewers complain about**

- 🐛 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

**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

**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


### SolarEdge ONE for EV

[App page](https://appshunter.io/ios/app/solaredge-one-for-ev/id1670603012)

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

**In-app purchases:** none


## Frequently asked questions

### Is EMA App free?

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

### Is SolarEdge ONE for EV free?

SolarEdge ONE for EV is free to download, with no in-app purchases.

### Do EMA App or SolarEdge ONE for EV have ads?

Neither EMA App nor SolarEdge ONE for EV shows ads.

### Which is updated more often, EMA App or SolarEdge ONE for EV?

EMA App ships an update every 2 weeks, and SolarEdge ONE for EV every 3 weeks. Most recently, EMA App was updated on October 15, 2026 and SolarEdge ONE for EV on October 13, 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.*