# RunDo Solar vs CLM Timer

The clearest difference is update cadence: RunDo Solar at weekly against CLM Timer's every 2 months. RunDo Solar also leads on iOS requirement (15.0 vs 26.0). 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.

RunDo Solar ships an update weekly, CLM Timer every 2 months. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | RunDo Solar | CLM Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 137 MB | 5 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [广东润建电力科技有限公司](https://appshunter.io/developer/1715436266) | [Josiah Lenowitz](https://appshunter.io/developer/1851317999) |

## What reviewers say

### RunDo Solar

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

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

**In-app purchases:** none


### CLM Timer

[App page](https://appshunter.io/ios/app/clm-timer/id6755001515)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RunDo Solar free?

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

### Is CLM Timer free?

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

### Do RunDo Solar or CLM Timer have ads?

Neither RunDo Solar nor CLM Timer shows ads.

### Which is updated more often, RunDo Solar or CLM Timer?

RunDo Solar ships an update weekly, and CLM Timer every 2 months. Most recently, RunDo Solar was updated on October 16, 2026 and CLM Timer on October 11, 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.*