# かさねたら何になる？ vs マルッと修正！アカデミア

The clearest difference is in-app purchases: かさねたら何になる？ at none against マルッと修正！アカデミア's 3. マルッと修正！アカデミア's advantage is update cadence (every 3 months vs every 11 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. かさねたら何になる？ asks for nothing beyond the download.

かさねたら何になる？ ships an update every 11 months, マルッと修正！アカデミア every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | かさねたら何になる？ | マルッと修正！アカデミア |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id1437975703/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 195 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [GlobalGear Co. Ltd.](https://appshunter.io/developer/670168140) | [NOELITH, INC.](https://appshunter.io/developer/1659312327) |

## What reviewers say

### かさねたら何になる？

[App page](https://appshunter.io/ios/app/id1437975703)

**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 かさねたら何になる？ free?

かさねたら何になる？ 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 かさねたら何になる？ or マルッと修正！アカデミア have ads?

Both かさねたら何になる？ and マルッと修正！アカデミア show ads.

### Which is updated more often, かさねたら何になる？ or マルッと修正！アカデミア?

かさねたら何になる？ ships an update every 11 months, and マルッと修正！アカデミア every 3 months. Most recently, かさねたら何になる？ was updated on November 2, 2026 and マルッと修正！アカデミア on November 3, 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.*