# CSI Cloud vs S

The clearest difference is review sentiment: S at 66% against CSI Cloud's 14%. S also leads on rating (4.2 vs 1.5) and ratings volume (14 vs 2). CSI Cloud's advantage is iOS requirement (11.0 vs 15.0). On price, update cadence, 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.

S holds the better App Store score, 4.2 against 1.5. That said, the two scores are not equally well evidenced: S has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 14% of CSI Cloud's written reviews are positive against 66% of S's.

CSI Cloud ships an update every 2 months, S monthly. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CSI Cloud | S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/csi-cloud/id1452785451/reviews) | **[4.2 (14 ratings)](https://appshunter.io/ios/app/s-miles-installer/id1544207772/reviews)** |
| Number of ratings | 2 | **14** |
| Positive reviews | 14.3% of reviews | **65.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 38 MB | 208 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Canadian Solar Inc.](https://appshunter.io/developer/1452785450) | [Hoymiles Power Electronics Inc.](https://appshunter.io/developer/1219594358) |

## 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


### S

[App page](https://appshunter.io/ios/app/s-miles-installer/id1544207772)

This app streamlines the installation and monitoring of distributed PV power plants. It offers an easy-to-use interface for setting up monitoring accounts and provides visual guidance for microinverter installation. Access plant-level and module-level power generation data, along with detailed alarm information for diagnostics.

**Highlights:** Easy account monitoring, Visual installation guide, Rapid account configuration, Plant-level data, Module-level data, Alarm information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CSI Cloud free?

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

### Is S free?

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

### Which has better reviews, CSI Cloud or S?

S is rated higher. CSI Cloud averages 1.5 out of 5 from 2 ratings, while S averages 4.2 from 14 ratings.

### Do CSI Cloud or S have ads?

Neither CSI Cloud nor S shows ads.

### Which is updated more often, CSI Cloud or S?

CSI Cloud ships an update every 2 months, and S monthly. Most recently, CSI Cloud was updated on October 8, 2026 and S on October 14, 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.*