# CSI CloudPro vs TSUN Smart

The clearest difference is iOS requirement: CSI CloudPro at 13.0 against TSUN Smart's 15.6. On price, rating, review sentiment and ratings volume 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 CSI CloudPro against 5.0 for TSUN Smart. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 11% of CSI CloudPro's written reviews are positive against 18% of TSUN Smart's.

CSI CloudPro ships an update every 2 months, TSUN Smart every 6 weeks. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | CSI CloudPro | TSUN Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/csi-cloudpro/id1462571102/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/tsun-smart/id6468031219/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 11.1% of reviews | **18.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 56 MB | 69 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Canadian Solar Inc.](https://appshunter.io/developer/1452785450) | [TSUNESS Co., Ltd](https://appshunter.io/developer/1718029393) |

## What reviewers say

### CSI CloudPro

[App page](https://appshunter.io/ios/app/csi-cloudpro/id1462571102)

Access real-time and historical operational data for Canadian Solar plants. Monitor production energy, revenue, and device status remotely via a network connection.

**Highlights:** Monitor running parameters, View production energy, Track production revenue, Check device status, Access real-time data, View historical data

**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 CSI CloudPro free?

CSI CloudPro 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, CSI CloudPro or TSUN Smart?

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

### Do CSI CloudPro or TSUN Smart have ads?

Neither CSI CloudPro nor TSUN Smart shows ads.

### Which is updated more often, CSI CloudPro or TSUN Smart?

CSI CloudPro ships an update every 2 months, and TSUN Smart every 6 weeks. Most recently, CSI CloudPro was updated on September 9, 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.*