# LumaClock vs Rubber Clock

LumaClock and Rubber Clock are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. LumaClock 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.

LumaClock ships an update every 3 days, Rubber Clock every 5 days. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | LumaClock | Rubber Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Size | 7 MB | 111 MB |
| Requires iOS | **18.0** | 18.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [修武 许](https://appshunter.io/developer/1513824144) | [传河 张](https://appshunter.io/developer/1789789418) |

## What reviewers say

### LumaClock

[App page](https://appshunter.io/ios/app/lumaclock/id6760814233)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro Access | $1.99 | 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 LumaClock free?

LumaClock 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 LumaClock or Rubber Clock have ads?

Neither LumaClock nor Rubber Clock shows ads.

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

LumaClock ships an update every 3 days, and Rubber Clock every 5 days. Most recently, LumaClock was updated on October 18, 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.*