EMA Manager vs TSUN Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EMA Manager
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.
- System commissioning
- Real-time monitoring
- Diagnostics and troubleshooting
- Remote site management
- ECU and microinverter connectivity
- Installer statistics
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APsystems introduces the EMA Manager app, a new app to manage APsystems microinverter system commissioning, monitoring and troubleshooting. Installers can now enhance their customers service capabilities anywhere, anytime via their smartphone or tablet. This app conveniently streamlines monitored system installation while providing installers with many new and improved features for remote site management. Benefit from all existing features available in the EMA web portal on your smartphone or tablet using a single sign-in. Real-time systems check, diagnostics capabilities and troubleshooting are now coming to your hands with the EMA Manager App. This new app, available on APP Store which also includes a revamped ECU_APP, provides additional features including, ECU and microinverter connectivity, energy production, system troubleshooting, and full site configuration and monitoring capability without the need to be on-site. Included in the new app are installer-specific statistics, including total number of customers, inverters installed, and total energy produced which provides installers with valuable information as well as a unique selling tool to showcase their environmental impact. The new app is being introduced as APsystems has recently surpassed 100,000 registered installations in more than 120 countries on its EMA platform. As APsystems’ footprint continues to grow worldwide, this app redefines ease of solar inverter installation just as APsystems has redefined simplicity and convenience in its easy-to-install inverter platform.
TSUN Smart
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.
- 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
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TSUN Smart is a solar plant mornitoring application used by endusers or installers for TSUN products. You are able to manage different plants, add devices, configure the devices in batch, review real-time and historic generation data as well calculate your yield on your mobile phone. In addition, you are able to build a layout of your solar panels and mornitor the perfomance of each panel individually.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | EMA Manager | TSUN Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (16 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 15.7% of reviews | 18.1% of reviews — better |
| Number of ratings | 16 — better | 1 |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 312 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | Altenergy Power System,Inc. | TSUNESS Co., Ltd |
Customer experience
EMA Manager
TSUN Smart
Bugs and requests
EMA Manager
Not enough reviews yet to summarise bugs or requests.
TSUN Smart
Reported bugs
15 issues- 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
Show 10 moreShow fewer
- Verification code not sent during registration
- Inverter configuration mode issues
- Smart Meter integration causing system type changes
- Synchronization problems with multiple micro-inverters
- Daily counter resets losing historical data
- Inconsistent power readings between panels on same roof
- Connection drops between 12-13 hours daily
- Data not recorded after app updates
- Inverter shows offline despite active production
- Micro-inverter pairing failures
Requested features
12 requests- 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
Show 7 moreShow fewer
- Ability to adjust power limits directly in app
- Display current firmware version
- Monthly and yearly energy generation summaries
- Larger chart labels and improved layout
- Support for 5GHz WiFi networks
- Improved German language translation
- Better error messages and user guidance
In-app purchases
EMA Manager
No in-app purchases
TSUN Smart
No in-app purchases
