# RetroDotTimer vs Rubber Clock

The clearest difference is update cadence: Rubber Clock at every 5 days against RetroDotTimer's every 3 weeks. RetroDotTimer's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. RetroDotTimer sells 1 one-off in-app purchase and Rubber Clock sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

RetroDotTimer ships an update every 3 weeks, Rubber Clock every 5 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | RetroDotTimer | Rubber Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 7 MB | 111 MB |
| Requires iOS | **18.0** | 18.4 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andean Bear Studios GmbH](https://appshunter.io/developer/1852873091) | [传河 张](https://appshunter.io/developer/1789789418) |

## What reviewers say

### RetroDotTimer

[App page](https://appshunter.io/ios/app/retrodottimer/id6761271003)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RetroDotTimer Pro | $4.99 | one-time |


### Rubber Clock

[App page](https://appshunter.io/ios/app/rubber-clock/id6763499552)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Eraser Pack | $0.99 | one-time |
| Medium Eraser Pack | $1.99 | one-time |
| Large Eraser Pack | $2.99 | one-time |


## Frequently asked questions

### Is RetroDotTimer free?

RetroDotTimer is free to download, with in-app purchases available.

### Is Rubber Clock free?

Rubber Clock is free to download, with in-app purchases available.

### Do RetroDotTimer or Rubber Clock have ads?

Neither RetroDotTimer nor Rubber Clock shows ads.

### Which is updated more often, RetroDotTimer or Rubber Clock?

RetroDotTimer ships an update every 3 weeks, and Rubber Clock every 5 days. Most recently, RetroDotTimer was updated on October 7, 2026 and Rubber Clock 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.*