# RTD Light vs Dual Flip Clock

The clearest difference is update cadence: Dual Flip Clock at every 10 days against RTD Light's every 6 weeks. RTD Light's advantage is iOS requirement (15.0 vs 17.0). 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.

RTD Light ships an update every 6 weeks, Dual Flip Clock every 10 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RTD Light | Dual Flip Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dual-flip-clock/id6766014702/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 107 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 9+ | 4+ |
| Developer | [Foshan Lingchuang Future Information Technology Co., Ltd.](https://appshunter.io/developer/1836095920) | [路 林](https://appshunter.io/developer/1896152952) |

## What reviewers say

### RTD Light

[App page](https://appshunter.io/ios/app/rtd-light/id6763731235)

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

**In-app purchases:** none


### Dual Flip Clock

[App page](https://appshunter.io/ios/app/dual-flip-clock/id6766014702)

Transform an old phone into a stylish desktop clock with this app. Easily switch between time zones for different cities or schools, and enjoy automatic day and night modes for a comfortable viewing experience.

**Highlights:** Desktop clock conversion, Multiple city/school time zones, Vertical and horizontal layouts, Automatic Day/Night Modes, Customizable display

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RTD Light free?

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

### Is Dual Flip Clock free?

Dual Flip Clock is free to download, with no in-app purchases.

### Do RTD Light or Dual Flip Clock have ads?

Neither RTD Light nor Dual Flip Clock shows ads.

### Which is updated more often, RTD Light or Dual Flip Clock?

RTD Light ships an update every 6 weeks, and Dual Flip Clock every 10 days. Most recently, RTD Light was updated on October 21, 2026 and Dual Flip Clock on October 24, 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.*