# BYM Cloud vs TSUN Smart

BYM Cloud and TSUN Smart both sit at 5.0 stars, but that hides the real split: 100% of BYM Cloud's written reviews are positive against 18% of TSUN Smart's. BYM Cloud also leads on iOS requirement (12.0 vs 15.6). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for BYM Cloud against 5.0 for TSUN Smart. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 100% of BYM Cloud's written reviews are positive against 18% of TSUN Smart's.

BYM Cloud ships an update every 4 weeks, TSUN Smart every 6 weeks. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | BYM Cloud | TSUN Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/bym-cloud/id1665052217/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/tsun-smart/id6468031219/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **100.0% of reviews** | 18.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 60 MB | 69 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [zhejiang benyi new energy technology co.,ltd.](https://appshunter.io/developer/1536090136) | [TSUNESS Co., Ltd](https://appshunter.io/developer/1718029393) |

## What reviewers say

### BYM Cloud

[App page](https://appshunter.io/ios/app/bym-cloud/id1665052217)

Manage device and energy information to streamline operations. This utility app enhances efficiency and intelligence for users.

**Highlights:** Device information management, Energy information management, Streamlined operations, Enhanced intelligence, User-friendly 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 BYM Cloud free?

BYM Cloud 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, BYM Cloud or TSUN Smart?

BYM Cloud and TSUN Smart are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do BYM Cloud or TSUN Smart have ads?

Neither BYM Cloud nor TSUN Smart shows ads.

### Which is updated more often, BYM Cloud or TSUN Smart?

BYM Cloud ships an update every 4 weeks, and TSUN Smart every 6 weeks. Most recently, BYM Cloud was updated on October 4, 2026 and TSUN Smart on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*