# Digital Clock vs Rubber Clock

The clearest difference is in-app purchases: Digital Clock at none against Rubber Clock's 3. Rubber Clock's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Rubber Clock sells 3 one-off in-app purchases. Digital Clock asks for nothing beyond the download.

Digital Clock ships an update daily, Rubber Clock every 5 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Digital Clock | Rubber Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/rubber-clock/id6763499552/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 73 MB | 111 MB |
| Requires iOS | **17.6** | 18.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Inza Iqbal](https://appshunter.io/developer/1408032608) | [传河 张](https://appshunter.io/developer/1789789418) |

## What reviewers say

### Digital Clock

[App page](https://appshunter.io/ios/app/digital-clock-sleep-alarm/id6760650528)

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

**In-app purchases:** none


### Rubber Clock

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

Design a personalized digital clock by inputting text or uploading an image. Create unique time displays, from pet-themed clocks to countdown timers for important events.

**Highlights:** Create custom digital clocks, Use text input for designs, Upload photos for clock faces, Design pet-themed clocks, Set countdown timers, Create bedside clocks

**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 Digital Clock free?

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

### Is Rubber Clock free?

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

### Do Digital Clock or Rubber Clock have ads?

Digital Clock shows ads; Rubber Clock does not.

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

Digital Clock ships an update daily, and Rubber Clock every 5 days. Most recently, Digital Clock was updated on October 28, 2026 and Rubber Clock on October 25, 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.*