# SETouch vs TSUN Smart

The clearest difference is rating: TSUN Smart at 5.0 against SETouch's 4.5. TSUN Smart also leads on update cadence (every 6 weeks vs every 3 months). SETouch's advantage is iOS requirement (8.0 vs 15.6). On price, ratings volume, ads and in-app purchases 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 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

SETouch ships an update every 3 months, TSUN Smart every 6 weeks. The most recent releases landed on June 11, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SETouch | TSUN Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/setouch/id1214788662/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tsun-smart/id6468031219/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 18.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 60 MB | 69 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Asian Power Devices Inc](https://appshunter.io/developer/1214788661) | [TSUNESS Co., Ltd](https://appshunter.io/developer/1718029393) |

## What reviewers say

### SETouch

[App page](https://appshunter.io/ios/app/setouch/id1214788662)

This app displays solar inverter power generation information and data via Bluetooth connection. It provides efficient monitoring and configuration for solar inverters.

**Highlights:** Monitor solar inverter power generation, Display inverter data via Bluetooth, Log inverter data, Configure inverter settings, Efficient and simple interface

**Features:** macOS Compatibility

**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 SETouch free?

SETouch 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, SETouch or TSUN Smart?

TSUN Smart is rated higher. SETouch averages 4.5 out of 5 from 2 ratings, while TSUN Smart averages 5.0 from 1 ratings.

### Do SETouch or TSUN Smart have ads?

Neither SETouch nor TSUN Smart shows ads.

### Which is updated more often, SETouch or TSUN Smart?

SETouch ships an update every 3 months, and TSUN Smart every 6 weeks. Most recently, SETouch was updated on June 11, 2026 and TSUN Smart on September 20, 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.*