# Rubber Clock vs Flip Clock

The clearest difference is ads: Rubber Clock at none against Flip Clock's shown. Flip Clock's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.4). On price, update cadence and in-app purchases there is nothing between them.

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

Rubber Clock ships an update every 5 days, Flip Clock weekly. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Rubber Clock | Flip Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Size | 111 MB | 34 MB |
| Requires iOS | 18.4 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [传河 张](https://appshunter.io/developer/1789789418) | [Gun woo Kim](https://appshunter.io/developer/1700263119) |

## What reviewers say

### 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 |


### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-bedside-clock/id6792409903)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Ads-free + All Themes) | $9.99 | one-time |


## Frequently asked questions

### Is Rubber Clock free?

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

### Is Flip Clock free?

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

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

Flip Clock shows ads; Rubber Clock does not.

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

Rubber Clock ships an update every 5 days, and Flip Clock weekly. Most recently, Rubber Clock was updated on October 11, 2026 and Flip Clock on September 29, 2026.

---

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