# Pixel Pulse vs C3 Display Controller

The clearest difference is in-app purchases: C3 Display Controller at none against Pixel Pulse's 4. C3 Display Controller also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). Pixel Pulse's advantage is update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Pixel Pulse sells 4 in-app purchases, starting at $1.99 per 7 days. C3 Display Controller asks for nothing beyond the download.

Pixel Pulse ships an update weekly, C3 Display Controller every 2 months. Both last shipped on September 10, 2026.

## The numbers

| Metric | Pixel Pulse | C3 Display Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/pixel-pulse-screen-burn-fix/id6748360815/reviews)** | — |
| Number of ratings | **9** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Freemium | — |
| Size | 7 MB | 40 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Maksym Kiryanov](https://appshunter.io/developer/1628335944) | [nhnhn](https://appshunter.io/developer/1839898006) |

## What reviewers say

### Pixel Pulse

[App page](https://appshunter.io/ios/app/pixel-pulse-screen-burn-fix/id6748360815)

This app helps prevent screen burn-in and fix image retention on OLED displays. It offers various pixel massage cycles and smart reminders to maintain your screen's long-term quality. Some advanced features require a paid subscription.

**Highlights:** Prevent screen burn-in, Fix image retention, Pixel massage cycles, Smart reminders, Daily care routines, Intensive pixel recovery

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Annual Premium | $39.99 | per year |
| Lifetime Premium | $19.99 | one-time |


### C3 Display Controller

[App page](https://appshunter.io/ios/app/c3-display-controller/id6757577137)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pixel Pulse free?

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

### Is C3 Display Controller free?

C3 Display Controller is free to download, with no in-app purchases.

### Do Pixel Pulse or C3 Display Controller have ads?

Pixel Pulse shows ads; C3 Display Controller does not.

### Which is updated more often, Pixel Pulse or C3 Display Controller?

Pixel Pulse ships an update weekly, and C3 Display Controller every 2 months. Most recently, Pixel Pulse was updated on September 10, 2026 and C3 Display Controller on September 10, 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.*