# EMA Manager vs TSUN Smart

The clearest difference is rating: TSUN Smart at 5.0 against EMA Manager's 2.9. EMA Manager's advantage is ratings volume (16 vs 1). On price, review sentiment, 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.

TSUN Smart holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: EMA Manager has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 16% of EMA Manager's written reviews are positive against 18% of TSUN Smart's.

EMA Manager ships an update every 3 weeks, TSUN Smart every 6 weeks. Both last shipped on November 7, 2026.

## The numbers

| Metric | EMA Manager | TSUN Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (16 ratings)](https://appshunter.io/ios/app/ema-manager/id1538883821/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tsun-smart/id6468031219/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 15.7% of reviews | **18.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 312 MB | 69 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Altenergy Power System,Inc.](https://appshunter.io/developer/906598006) | [TSUNESS Co., Ltd](https://appshunter.io/developer/1718029393) |

## What reviewers say

### EMA Manager

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

Manage solar microinverter systems with this app. It offers real-time monitoring, diagnostics, and troubleshooting capabilities for installers, allowing for remote site management and enhanced customer service from a smartphone or tablet.

**Highlights:** System commissioning, Real-time monitoring, Diagnostics and troubleshooting, Remote site management, ECU and microinverter connectivity, Installer statistics

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

**In-app purchases:** none


### TSUN Smart

[App page](https://appshunter.io/ios/app/tsun-smart/id6468031219)

Monitor your solar power plants and devices from your mobile. Track real-time and historical generation data, calculate yield, and visualize individual panel performance with a custom layout.

**Highlights:** Manage multiple solar plants, Add and configure devices, View real-time generation data, Review historical generation data, Calculate solar yield, Build solar panel layouts, Monitor individual panel performance

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy setup and installation process
- 📊 Clear and intuitive user interface
- 🔌 Simple WiFi connection to inverters
- ⚡ Real-time energy production monitoring
- 🎯 Straightforward configuration with serial numbers

**What reviewers complain about**

- 🐛 Frequent server outages and disconnections
- 🐛 Missing data and incomplete daily records
- 🌐 Poor German translation with numerous errors
- ⏱️ Slow app performance and sluggish updates
- 📉 Data synchronization delays (15-30 minutes)

**Reported bugs**

- Server connection failures preventing data display
- Missing daily energy data in monthly summaries
- Incorrect total energy calculations
- Data frozen or not updating in real-time
- App crashes or fails to load

**Requested features**

- Display daily peak power values consistently
- Real-time data updates on demand (pull-to-refresh)
- Export data in CSV format
- Show maximum inverter capacity information
- Email and push notifications for alerts


## Frequently asked questions

### Is EMA Manager free?

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

### Is TSUN Smart free?

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

### Which has better reviews, EMA Manager or TSUN Smart?

TSUN Smart is rated higher. EMA Manager averages 2.9 out of 5 from 16 ratings, while TSUN Smart averages 5.0 from 1 ratings.

### Do EMA Manager or TSUN Smart have ads?

Neither EMA Manager nor TSUN Smart shows ads.

### Which is updated more often, EMA Manager or TSUN Smart?

EMA Manager ships an update every 3 weeks, and TSUN Smart every 6 weeks. Most recently, EMA Manager was updated on November 7, 2026 and TSUN Smart on November 7, 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.*