# ETi vs Solar Cloud

The clearest difference is iOS requirement: Solar Cloud at 13.3 against ETi's 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.

ETi ships an update every 2 months, Solar Cloud every 4 weeks. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ETi | Solar Cloud |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 94 MB | 116 MB |
| Requires iOS | 15.0 | **13.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EnerMAN Technologies Private Limited](https://appshunter.io/developer/1234185464) | [Shenzhen Sofarsolar Company Limited](https://appshunter.io/developer/1628036876) |

## What reviewers say

### ETi

[App page](https://appshunter.io/ios/app/eti-sol/id1528670740)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar Cloud

[App page](https://appshunter.io/ios/app/solar-cloud/id1673684191)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ETi free?

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

### Is Solar Cloud free?

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

### Do ETi or Solar Cloud have ads?

Neither ETi nor Solar Cloud shows ads.

### Which is updated more often, ETi or Solar Cloud?

ETi ships an update every 2 months, and Solar Cloud every 4 weeks. Most recently, ETi was updated on September 10, 2026 and Solar Cloud on September 21, 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.*