Austa vs TSUN Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Austa
Monitor your micro inverter solar power system's performance. Track energy production, view historical data, and receive alerts for any issues. Optimize your solar energy usage with this utility app.
- Monitor micro inverter solar systems
- Track energy production
- View historical data
- Receive alerts for issues
- Optimize solar energy usage
Read full descriptionHide full description
App for monitoring micro inverter solar systems
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
Read full descriptionHide full description
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 Austa's 1.0. Austa's advantage is iOS requirement (13.0 vs 15.6). 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 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Austa ships an update every 3 weeks, TSUN Smart every 6 weeks. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.
| Parameter | Austa | TSUN Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 18.1% of reviews |
| Number of ratings | 1 | 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 | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 57 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | Northern Electric & Power Inc | TSUNESS Co., Ltd |
Customer experience
Austa
TSUN Smart
Bugs and requests
Austa
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
Austa
No in-app purchases
TSUN Smart
No in-app purchases
