# Rubber Clock vs Haokan

The clearest difference is device support: Haokan at 4 against Rubber Clock's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Rubber Clock sells 3 one-off in-app purchases and Haokan 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, Haokan weekly. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Rubber Clock | Haokan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 111 MB | 5 MB |
| Requires iOS | 18.4 | **18.0** |
| Devices | iPhone | **iPhone, iPad, Apple TV, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [传河 张](https://appshunter.io/developer/1789789418) | [纪收 于](https://appshunter.io/developer/6787809641) |

## 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 |


### Haokan

[App page](https://appshunter.io/ios/app/haokan-desk-clock/id6787858283)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $0.99 | one-time |


## Frequently asked questions

### Is Rubber Clock free?

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

### Is Haokan free?

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

### Do Rubber Clock or Haokan have ads?

Neither Rubber Clock nor Haokan shows ads.

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

Rubber Clock ships an update every 5 days, and Haokan weekly. Most recently, Rubber Clock was updated on September 9, 2026 and Haokan on September 13, 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.*