# OLED Clock vs ClockDisplay

The clearest difference is in-app purchases: OLED Clock at none against ClockDisplay's 4. OLED Clock also leads on update cadence (every 4 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ClockDisplay sells 4 in-app purchases, starting at $2.99 per month. OLED Clock asks for nothing beyond the download.

OLED Clock ships an update every 4 weeks, ClockDisplay every 3 months. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | OLED Clock | ClockDisplay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (15 ratings)](https://appshunter.io/ios/app/oled-clock/id1364541962/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 10 MB | 31 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christian Moeller](https://appshunter.io/developer/1364541961) | [Abdulla Yasin](https://appshunter.io/developer/1407887788) |

## What reviewers say

### OLED Clock

[App page](https://appshunter.io/ios/app/oled-clock/id1364541962)

This app displays a dynamic clock designed to prevent OLED screen burn-in by constantly moving and changing colors. It offers customizable digital and analog views with various fonts, sizes, and animation speeds.

**Highlights:** OLED burn-in prevention, Animated clock movement, Color cycling, Digital and analog views, Customizable fonts and size, Adjustable animation speed

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

**In-app purchases:** none


### ClockDisplay

[App page](https://appshunter.io/ios/app/clockdisplay-time-wallpaper/id1483591800)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Subscription | $2.99 | per month |
| Three Month Subscription | $8.99 | per 3 months |
| One Year Subscription | $16.99 | per year |
| Life time purchasing | $24.99 | one-time |


## Frequently asked questions

### Is OLED Clock free?

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

### Is ClockDisplay free?

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

### Do OLED Clock or ClockDisplay have ads?

Neither OLED Clock nor ClockDisplay shows ads.

### Which is updated more often, OLED Clock or ClockDisplay?

OLED Clock ships an update every 4 weeks, and ClockDisplay every 3 months. Most recently, OLED Clock was updated on October 22, 2026 and ClockDisplay on October 26, 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.*