# Otus Game vs カーリングクイズ

The clearest difference is in-app purchases: Otus Game at none against カーリングクイズ's 1. Otus Game also leads on ads (none vs shown). カーリングクイズ's advantage is update cadence (every 3 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. カーリングクイズ sells 1 one-off in-app purchase. Otus Game asks for nothing beyond the download.

Otus Game ships an update every 2 weeks, カーリングクイズ every 3 days. The most recent releases landed on October 20, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Otus Game | カーリングクイズ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 174 MB | 93 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EDENLUX Corp.](https://appshunter.io/developer/1443712682) | [HANAUTA INC.](https://appshunter.io/developer/492009717) |

## What reviewers say

### Otus Game

[App page](https://appshunter.io/ios/app/otus-game/id6476952932)

Engage in a variety of games designed to improve eye health and vision. Requires membership and eye score measurement through a companion app to begin playing.

**Highlights:** Eye exercise games, Vision improvement focus, Requires Otus Plus membership, Eye score measurement integration, Suitable for tired eyes

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

**In-app purchases:** none


### カーリングクイズ

[App page](https://appshunter.io/ios/app/id6745580233)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proプラン | $0.49 | one-time |


## Frequently asked questions

### Is Otus Game free?

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

### Is カーリングクイズ free?

カーリングクイズ is free to download, with in-app purchases available.

### Do Otus Game or カーリングクイズ have ads?

カーリングクイズ shows ads; Otus Game does not.

### Which is updated more often, Otus Game or カーリングクイズ?

Otus Game ships an update every 2 weeks, and カーリングクイズ every 3 days. Most recently, Otus Game was updated on October 20, 2026 and カーリングクイズ on October 28, 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.*