# Popusign vs XKpixel

The clearest difference is iOS requirement: XKpixel at 9.0 against Popusign's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Popusign ships an update every 5 weeks, XKpixel every 3 weeks. The most recent releases landed on July 20, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Popusign | XKpixel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 114 MB | 66 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [General Lighting Electronic Co., Ltd.](https://appshunter.io/developer/1775395523) | [XKGLOW LLC](https://appshunter.io/developer/1022211243) |

## What reviewers say

### Popusign

[App page](https://appshunter.io/ios/app/popusign/id6737228339)

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

**In-app purchases:** none


### XKpixel

[App page](https://appshunter.io/ios/app/xkpixel/id6745494758)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Popusign free?

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

### Is XKpixel free?

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

### Do Popusign or XKpixel have ads?

Neither Popusign nor XKpixel shows ads.

### Which is updated more often, Popusign or XKpixel?

Popusign ships an update every 5 weeks, and XKpixel every 3 weeks. Most recently, Popusign was updated on July 20, 2026 and XKpixel on June 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.*