# CSI Cloud vs Sunways Portal

The clearest difference is rating: Sunways Portal at 3.8 against CSI Cloud's 1.3. CSI Cloud's advantage is review sentiment (14% vs 0%) and iOS requirement (11.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

Sunways Portal holds the better App Store score, 3.8 against 1.3. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews complicate that: 14% of CSI Cloud's written reviews are positive against 0% of Sunways Portal's, so the app with the better star average is not the one people write more warmly about.

CSI Cloud ships an update every 2 months, Sunways Portal every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CSI Cloud | Sunways Portal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (3 ratings)](https://appshunter.io/ios/app/csi-cloud/id1452785451/reviews) | **[3.8 (4 ratings)](https://appshunter.io/ios/app/sunways-portal/id1598063954/reviews)** |
| Number of ratings | 3 | **4** |
| Positive reviews | **14.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 38 MB | 79 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Canadian Solar Inc.](https://appshunter.io/developer/1452785450) | [Ningbo Sunways Technologies Co.,Ltd.](https://appshunter.io/developer/1471604084) |

## What reviewers say

### CSI Cloud

[App page](https://appshunter.io/ios/app/csi-cloud/id1452785451)

Monitor your Canadian Solar plant's performance remotely. Access real-time and historical data on energy production, revenue, and device status. Stay informed about your solar assets from anywhere.

**Highlights:** Real-time data access, Historical data analysis, Production energy tracking, Revenue monitoring, Device status checks, Remote network access

**Features:** macOS Compatibility

**In-app purchases:** none


### Sunways Portal

[App page](https://appshunter.io/ios/app/sunways-portal/id1598063954)

This app offers real-time data analysis and system fault alarms for system owners and installers. It provides comprehensive monitoring and reports, ensuring stable system operation with minimal downtime, even remotely.

**Highlights:** Real-time data analysis, System fault alarms, Comprehensive reports, Remote monitoring, Stable system operation, Minimal downtime

**In-app purchases:** none


## Frequently asked questions

### Is CSI Cloud free?

CSI Cloud is free to download, with no in-app purchases.

### Is Sunways Portal free?

Sunways Portal is free to download, with no in-app purchases.

### Which has better reviews, CSI Cloud or Sunways Portal?

Sunways Portal is rated higher. CSI Cloud averages 1.3 out of 5 from 3 ratings, while Sunways Portal averages 3.8 from 4 ratings.

### Do CSI Cloud or Sunways Portal have ads?

Neither CSI Cloud nor Sunways Portal shows ads.

### Which is updated more often, CSI Cloud or Sunways Portal?

CSI Cloud ships an update every 2 months, and Sunways Portal every 6 weeks. Most recently, CSI Cloud was updated on October 24, 2026 and Sunways Portal on October 25, 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.*