Power Zero vs TSUN Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Power Zero
Monitor and control your smart energy devices remotely. Track energy usage and production in real-time, find ways to improve efficiency, and manage your solar system's status.
- Real-time energy usage tracking
- Energy production monitoring
- Energy efficiency improvement suggestions
- Remote smart home device control
- Solar system status monitoring
- Historical energy data
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Manage your Power Zero smart energy devices anytime, anywhere Maximize your Power Zero experience and save battery with the Power Zero App: · Track your energy usage and production in real time with Mobile Optimized Energy · Find ways to improve energy efficiency · Control your smart home devices and remotely manage your Power Zero energy usage · Monitor the status of your solar system in real-time as well as various historical status data
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 Power Zero's 3.0. Power Zero's advantage is review sentiment (41% vs 18%). On price, ratings volume, 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 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews complicate that: 41% of Power Zero's written reviews are positive against 18% of TSUN Smart's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 6, 2026 and September 20, 2026 respectively.
| Parameter | Power Zero | TSUN Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 40.9% of reviews — better | 18.1% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.5 — better | 15.6 |
| Further details — not scored | ||
| Size | 149 MB | 69 MB |
| Age rating | 12+ | 4+ |
| Developer | 毅 伍 | TSUNESS Co., Ltd |
Customer experience
Power Zero
TSUN Smart
Bugs and requests
Power Zero
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
Power Zero
No in-app purchases
TSUN Smart
No in-app purchases
