# AT Storage vs RunDo Solar

The clearest difference is ads: RunDo Solar at none against AT Storage's shown. RunDo Solar also leads on update cadence (every 5 days vs every 3 months). AT Storage's advantage is iOS requirement (9.0 vs 15.0). On price, 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.

AT Storage ships an update every 3 months, RunDo Solar every 5 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AT Storage | RunDo Solar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 57 MB | 128 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shandong Aotai Electric Co. Ltd](https://appshunter.io/developer/973393830) | [广东润建电力科技有限公司](https://appshunter.io/developer/1715436266) |

## What reviewers say

### AT Storage

[App page](https://appshunter.io/ios/app/at-storage/id1574130512)

**Features:** macOS Compatibility

**In-app purchases:** none


### RunDo Solar

[App page](https://appshunter.io/ios/app/rundo-solar/id6471479218)

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

**In-app purchases:** none


## Frequently asked questions

### Is AT Storage free?

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

### Is RunDo Solar free?

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

### Do AT Storage or RunDo Solar have ads?

AT Storage shows ads; RunDo Solar does not.

### Which is updated more often, AT Storage or RunDo Solar?

AT Storage ships an update every 3 months, and RunDo Solar every 5 days. Most recently, AT Storage was updated on October 27, 2026 and RunDo Solar on October 30, 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.*