# CSI Cloud vs KSTAR Sync

The clearest difference is update cadence: KSTAR Sync at every 2 weeks against CSI Cloud's every 2 months. CSI Cloud's advantage is iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CSI Cloud ships an update every 2 months, KSTAR Sync every 2 weeks. The most recent releases landed on September 16, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | CSI Cloud | KSTAR Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/csi-cloud/id1452785451/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 38 MB | 74 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Canadian Solar Inc.](https://appshunter.io/developer/1452785450) | [Shenzhen Kstar Science & Technology Co., Ltd.](https://appshunter.io/developer/1460236605) |

## 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


### KSTAR Sync

[App page](https://appshunter.io/ios/app/kstar-sync/id6754310380)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CSI Cloud free?

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

### Is KSTAR Sync free?

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

### Do CSI Cloud or KSTAR Sync have ads?

Neither CSI Cloud nor KSTAR Sync shows ads.

### Which is updated more often, CSI Cloud or KSTAR Sync?

CSI Cloud ships an update every 2 months, and KSTAR Sync every 2 weeks. Most recently, CSI Cloud was updated on September 16, 2026 and KSTAR Sync on September 15, 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.*