# ESTAR Enduser vs TSUN Smart

ESTAR Enduser and TSUN Smart are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | ESTAR Enduser | TSUN Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tsun-smart/id6468031219/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 18.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | — | Free |
| Size | 51 MB | 69 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JUAN WANG](https://appshunter.io/developer/1650350517) | [TSUNESS Co., Ltd](https://appshunter.io/developer/1718029393) |

## What reviewers say

### ESTAR Enduser

[App page](https://appshunter.io/ios/app/estar-enduser/id6443897189)

**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 ESTAR Enduser free?

ESTAR Enduser is free to download, with no in-app purchases.

### Is TSUN Smart free?

TSUN Smart is free to download, with no in-app purchases.

### Do ESTAR Enduser or TSUN Smart have ads?

Neither ESTAR Enduser nor TSUN Smart shows ads.

### Which is updated more often, ESTAR Enduser or TSUN Smart?

ESTAR Enduser ships an update every 6 weeks, and TSUN Smart every 6 weeks. Most recently, ESTAR Enduser was updated on September 18, 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.*