# 12px Photo Challenge vs Rivalarc

The clearest difference is ads: Rivalarc at none against 12px Photo Challenge's shown. Rivalarc also leads on update cadence (every 2 weeks vs every 4 weeks). 12px Photo Challenge's advantage is iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

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

12px Photo Challenge ships an update every 4 weeks, Rivalarc every 2 weeks. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 12px Photo Challenge | Rivalarc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/rivalarc/id6741785286/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 71 MB | 92 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Javier Hernandez Torres](https://appshunter.io/developer/1358291254) | [Rivalarc Inc](https://appshunter.io/developer/1795584053) |

## What reviewers say

### 12px Photo Challenge

[App page](https://appshunter.io/ios/app/12px-photo-challenge/id6478531602)

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

**In-app purchases:** none


### Rivalarc

[App page](https://appshunter.io/ios/app/rivalarc/id6741785286)

Engage in thrilling 1v1 or group media battles by voting on video and image faceoffs. Create your own challenges, participate in tournaments, and climb leaderboards to earn rewards. Discover diverse content and compete to rise through the ranks.

**Highlights:** 1v1 and group media faceoffs, Create and join challenges, Participate in bracket-style tournaments, Earn in-app currency for rewards, Interactive voting and commenting, Discover content via explore feed, Leaderboard rankings

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

**In-app purchases:** none


## Frequently asked questions

### Is 12px Photo Challenge free?

12px Photo Challenge is free to download, with no in-app purchases.

### Is Rivalarc free?

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

### Do 12px Photo Challenge or Rivalarc have ads?

12px Photo Challenge shows ads; Rivalarc does not.

### Which is updated more often, 12px Photo Challenge or Rivalarc?

12px Photo Challenge ships an update every 4 weeks, and Rivalarc every 2 weeks. Most recently, 12px Photo Challenge was updated on October 27, 2026 and Rivalarc on October 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.*