CSI SmartEnergy vs TSUN Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CSI SmartEnergy
Monitor your power plant's daily energy generation in real-time. Receive alerts for equipment malfunctions and stay informed about your plant's operational status online.
- View daily power generation
- Check equipment alerts
- Online monitoring
- Real-time status updates
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You can view the daily power generation of the power plant online and check if the equipment is alerting.
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 CSI SmartEnergy's 3.0. TSUN Smart also leads on review sentiment (18% vs 0%). CSI SmartEnergy's advantage is update cadence (fortnightly vs every 6 weeks) and iOS requirement (13.0 vs 15.6). On price, ratings volume, ads and in-app purchases 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 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of CSI SmartEnergy's written reviews are positive against 18% of TSUN Smart's.
CSI SmartEnergy ships an update fortnightly, TSUN Smart every 6 weeks. Both last shipped on November 3, 2026.
| Parameter | CSI SmartEnergy | TSUN Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 18.1% of reviews — better |
| Number of ratings | 2 — better | 1 |
| Update frequency | Fortnightly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 64 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | CSI SOLAR TECHNOLOGIES INC. | TSUNESS Co., Ltd |
Customer experience
CSI SmartEnergy
TSUN Smart
Bugs and requests
CSI SmartEnergy
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
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- 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
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- 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
CSI SmartEnergy
No in-app purchases
TSUN Smart
No in-app purchases
