# マルッと修正！アカデミア vs AnomalyXmas

The clearest difference is in-app purchases: AnomalyXmas at none against マルッと修正！アカデミア's 3. AnomalyXmas also leads on review sentiment (73% vs 50%) and update cadence (every 5 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. AnomalyXmas asks for nothing beyond the download.

マルッと修正！アカデミア ships an update every 3 months, AnomalyXmas every 5 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | マルッと修正！アカデミア | AnomalyXmas |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **72.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 195 MB | 453 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [NOELITH, INC.](https://appshunter.io/developer/1659312327) | [YU HIRATA](https://appshunter.io/developer/1703247347) |

## What reviewers say

### 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 |


### AnomalyXmas

[App page](https://appshunter.io/ios/app/anomalyxmas/id6755905989)

Navigate a mysterious Christmas town by spotting strange anomalies. Make the correct choice nine times in a row to escape this surreal world and return home. This entry offers a challenging experience with over 40 random anomaly types.

**Highlights:** Simple mobile controls (move, tap to zoom), Over 40 random anomaly types, Auto-save by area for quick sessions, Offline play supported, Enhances observation and memory skills, Challenging difficulty level

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is AnomalyXmas free?

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

### Do マルッと修正！アカデミア or AnomalyXmas have ads?

Both マルッと修正！アカデミア and AnomalyXmas show ads.

### Which is updated more often, マルッと修正！アカデミア or AnomalyXmas?

マルッと修正！アカデミア ships an update every 3 months, and AnomalyXmas every 5 weeks. Most recently, マルッと修正！アカデミア was updated on October 15, 2026 and AnomalyXmas on October 24, 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.*