# 壁リバーシ vs Sorting Ball Quiz

The clearest difference is in-app purchases: 壁リバーシ at none against Sorting Ball Quiz's 7. 壁リバーシ also leads on ads (none vs shown). Sorting Ball Quiz's advantage is update cadence (monthly vs every 19 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sorting Ball Quiz sells 7 one-off in-app purchases. 壁リバーシ asks for nothing beyond the download.

壁リバーシ ships an update every 19 months, Sorting Ball Quiz monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 壁リバーシ | Sorting Ball Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (64 ratings)](https://appshunter.io/ios/app/sorting-ball-quiz/id6475063759/reviews)** |
| Number of ratings | — | **64** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 148 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Daiki Hirao](https://appshunter.io/developer/1480092196) | [MOBIRIX](https://appshunter.io/developer/349276666) |

## What reviewers say

### 壁リバーシ

[App page](https://appshunter.io/ios/app/id1509028429)

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

**In-app purchases:** none


### Sorting Ball Quiz

[App page](https://appshunter.io/ios/app/sorting-ball-quiz/id6475063759)

A brain-training puzzle game where players sort colored balls into tubes. The objective is to fill each tube with balls of the same color by strategically moving them. Offers customization options and competitive elements.

**Highlights:** Ball sorting puzzle gameplay, One-finger control, No time limit, Customizable themes, In-game items, User ranking system, Colorblind mode

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold 300 | $1.99 | one-time |
| Gold 500 | $2.99 | one-time |
| Gold 1000 | $6.99 | one-time |
| No Ads Package | $6.99 | one-time |
| Gold 3300 | $19.99 | one-time |
| Gold 6000 | $34.99 | one-time |
| Gold 13000 | $69.99 | one-time |


## Frequently asked questions

### Is 壁リバーシ free?

壁リバーシ is free to download, with no in-app purchases.

### Is Sorting Ball Quiz free?

Sorting Ball Quiz is free to download, with in-app purchases available.

### Do 壁リバーシ or Sorting Ball Quiz have ads?

Sorting Ball Quiz shows ads; 壁リバーシ does not.

### Which is updated more often, 壁リバーシ or Sorting Ball Quiz?

壁リバーシ ships an update every 19 months, and Sorting Ball Quiz monthly. Most recently, 壁リバーシ was updated on October 25, 2026 and Sorting Ball Quiz on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*