# 专注花伴 vs Rubber Clock

The clearest difference is update cadence: Rubber Clock at every 5 days against 专注花伴's fortnightly. 专注花伴's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. 专注花伴 sells 3 in-app purchases, starting at $2.99 per month and Rubber Clock sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

专注花伴 ships an update fortnightly, Rubber Clock every 5 days. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 专注花伴 | Rubber Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 59 MB | 111 MB |
| Requires iOS | **15.6** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [厦门晓仓科技有限公司](https://appshunter.io/developer/1853160401) | [传河 张](https://appshunter.io/developer/1789789418) |

## What reviewers say

### 专注花伴

[App page](https://appshunter.io/ios/app/id6761378401)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月会员 | $2.99 | per month |
| 包年会员 | $7.99 | per year |
| 永久会员 | $14.99 | 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 专注花伴 free?

专注花伴 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 专注花伴 or Rubber Clock have ads?

Neither 专注花伴 nor Rubber Clock shows ads.

### Which is updated more often, 专注花伴 or Rubber Clock?

专注花伴 ships an update fortnightly, and Rubber Clock every 5 days. Most recently, 专注花伴 was updated on October 8, 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.*