# 謎解きアイランド vs マルッと修正！アカデミア

The clearest difference is review sentiment: マルッと修正！アカデミア at 50% against 謎解きアイランド's 0%. 謎解きアイランド's advantage is in-app purchases (none vs 3) and update cadence (every 5 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. マルッと修正！アカデミア sells 3 one-off in-app purchases. 謎解きアイランド asks for nothing beyond the download.

謎解きアイランド ships an update every 5 weeks, マルッと修正！アカデミア every 3 months. The most recent releases landed on September 29, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 謎解きアイランド | マルッと修正！アカデミア |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 217 MB | 195 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Works Inc.](https://appshunter.io/developer/1276087920) | [NOELITH, INC.](https://appshunter.io/developer/1659312327) |

## What reviewers say

### 謎解きアイランド

[App page](https://appshunter.io/ios/app/id1572955109)

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

**In-app purchases:** none


### マルッと修正！アカデミア

[App page](https://appshunter.io/ios/app/id6448621097)

Engage in a fun spot-the-difference game where you play as a student aiming to become a proofreader. Find mistakes in various scenarios, from school life to internships, to hone your observation skills. Enjoy a relaxed gameplay experience with no time limits or penalties.

**Highlights:** Spot 3-5 differences per stage, Hint and answer system, Stage selection and volume control, No time limits, No penalties or game overs, 50 free stages

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除Aパック | $0.99 | one-time |
| 広告削除Bパック | $0.99 | one-time |
| 広告削除ABお得パック | $1.99 | one-time |


## Frequently asked questions

### Is 謎解きアイランド free?

謎解きアイランド is free to download, with no in-app purchases.

### Is マルッと修正！アカデミア free?

マルッと修正！アカデミア is free to download, with in-app purchases available.

### Do 謎解きアイランド or マルッと修正！アカデミア have ads?

Both 謎解きアイランド and マルッと修正！アカデミア show ads.

### Which is updated more often, 謎解きアイランド or マルッと修正！アカデミア?

謎解きアイランド ships an update every 5 weeks, and マルッと修正！アカデミア every 3 months. Most recently, 謎解きアイランド was updated on September 29, 2026 and マルッと修正！アカデミア on October 15, 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.*