# OLED Clock vs OLEDify Pure Black Wallpapers

The clearest difference is rating: OLEDify Pure Black Wallpapers at 4.7 against OLED Clock's 3.9. OLEDify Pure Black Wallpapers also leads on ratings volume (342 vs 15) and review sentiment (95% vs 79%). OLED Clock's advantage is in-app purchases (none vs 5) and update cadence (every 4 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. OLEDify Pure Black Wallpapers sells 5 one-off in-app purchases. OLED Clock asks for nothing beyond the download.

OLEDify Pure Black Wallpapers holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: OLEDify Pure Black Wallpapers has 342 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 79% of OLED Clock's written reviews are positive against 95% of OLEDify Pure Black Wallpapers's.

OLED Clock ships an update every 4 weeks, OLEDify Pure Black Wallpapers every 2 months. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | OLED Clock | OLEDify Pure Black Wallpapers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (15 ratings)](https://appshunter.io/ios/app/oled-clock/id1364541962/reviews) | **[4.7 (342 ratings)](https://appshunter.io/ios/app/oledify-pure-black-wallpapers/id1416984528/reviews)** |
| Number of ratings | 15 | **342** |
| Positive reviews | 78.6% of reviews | **94.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 20 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christian Moeller](https://appshunter.io/developer/1364541961) | [Pranoy Chowdhury](https://appshunter.io/developer/952263202) |

## 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


### OLEDify Pure Black Wallpapers

[App page](https://appshunter.io/ios/app/oledify-pure-black-wallpapers/id1416984528)

Transform your dark wallpapers into pure black images to significantly reduce battery consumption on OLED and AMOLED screens. This app helps you achieve deeper blacks and potentially extend your device's battery life by turning pixels completely off.

**Highlights:** Convert dark wallpapers to pure black, Reduce battery usage on OLED/AMOLED screens, Adjust color threshold and RGB sliders, Crop and resize wallpapers, Post wallpapers to Reddit

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nice Tip | $0.99 | one-time |
| Kind Tip | $2.99 | one-time |
| Generous Tip | $4.99 | one-time |
| Amazing Tip | $6.99 | one-time |
| Godzilla Tip | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Works as intended
- 💯 Exceptional results
- 🔋 Saves battery life
- 💡 Well-made and functional

**What reviewers complain about**

- 📉 No update in 3 years
- ❌ Removed share to Reddit feature

**Requested features**

- Extend app features
- Make app open source
- Add XS Max overlay
- How the threshold works?


## Frequently asked questions

### Is OLED Clock free?

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

### Is OLEDify Pure Black Wallpapers free?

OLEDify Pure Black Wallpapers is free to download, with in-app purchases available.

### Which has better reviews, OLED Clock or OLEDify Pure Black Wallpapers?

OLEDify Pure Black Wallpapers is rated higher. OLED Clock averages 3.9 out of 5 from 15 ratings, while OLEDify Pure Black Wallpapers averages 4.7 from 342 ratings.

### Do OLED Clock or OLEDify Pure Black Wallpapers have ads?

Neither OLED Clock nor OLEDify Pure Black Wallpapers shows ads.

### Which is updated more often, OLED Clock or OLEDify Pure Black Wallpapers?

OLED Clock ships an update every 4 weeks, and OLEDify Pure Black Wallpapers every 2 months. Most recently, OLED Clock was updated on October 7, 2026 and OLEDify Pure Black Wallpapers on October 12, 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.*