# RGB Light Control vs Calculator with reverse screen

The clearest difference is ads: RGB Light Control at none against Calculator with reverse screen's shown. RGB Light Control also leads on iOS requirement (12.0 vs 15.8.3). Calculator with reverse screen's advantage is update cadence (fortnightly vs every 29 months). 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.

RGB Light Control ships an update every 29 months, Calculator with reverse screen fortnightly. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | RGB Light Control | Calculator with reverse screen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Fortnightly** |
| Size | 1 MB | 35 MB |
| Requires iOS | **12.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Hiwonder Technology Co.,Ltd](https://appshunter.io/developer/1090806812) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### RGB Light Control

[App page](https://appshunter.io/ios/app/rgb-light-control/id6471653419)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator with reverse screen

[App page](https://appshunter.io/ios/app/calculator-with-reverse-screen/id6497792768)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RGB Light Control free?

RGB Light Control is free to download, with no in-app purchases.

### Is Calculator with reverse screen free?

Calculator with reverse screen is free to download, with no in-app purchases.

### Do RGB Light Control or Calculator with reverse screen have ads?

Calculator with reverse screen shows ads; RGB Light Control does not.

### Which is updated more often, RGB Light Control or Calculator with reverse screen?

RGB Light Control ships an update every 29 months, and Calculator with reverse screen fortnightly. Most recently, RGB Light Control was updated on October 11, 2026 and Calculator with reverse screen on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*