# ASG Clock vs LumaClock

The clearest difference is in-app purchases: ASG Clock at none against LumaClock's 1. ASG Clock also leads on device support (4 vs 2) and iOS requirement (14.0 vs 18.0). LumaClock's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. LumaClock sells 1 one-off in-app purchase. ASG Clock asks for nothing beyond the download.

ASG Clock ships an update daily, LumaClock every 3 days. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ASG Clock | LumaClock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Size | 10 MB | 7 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) | [修武 许](https://appshunter.io/developer/1513824144) |

## What reviewers say

### ASG Clock

[App page](https://appshunter.io/ios/app/asg-clock-autostereogram/id6759359824)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ASG Clock free?

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

### Is LumaClock free?

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

### Do ASG Clock or LumaClock have ads?

ASG Clock shows ads; LumaClock does not.

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

ASG Clock ships an update daily, and LumaClock every 3 days. Most recently, ASG Clock was updated on October 28, 2026 and LumaClock on November 5, 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.*