# 数学好きのラクガキパズル vs LOCKD THE ROOM

The clearest difference is in-app purchases: LOCKD THE ROOM at none against 数学好きのラクガキパズル's 4. LOCKD THE ROOM also leads on update cadence (every 4 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 数学好きのラクガキパズル sells 4 one-off in-app purchases. LOCKD THE ROOM asks for nothing beyond the download.

数学好きのラクガキパズル ships an update fortnightly, LOCKD THE ROOM every 4 days. Both last shipped on October 6, 2026.

## The numbers

| Metric | 数学好きのラクガキパズル | LOCKD THE ROOM |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | — | Free |
| Size | 637 MB | 28 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kouhei kobayashi](https://appshunter.io/developer/1635774023) | [syoutarou ookura](https://appshunter.io/developer/1614144503) |

## What reviewers say

### 数学好きのラクガキパズル

[App page](https://appshunter.io/ios/app/id6468378892)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 二年生の追加ステージ | $0.99 | one-time |
| 3年生の追加ステージ | $0.99 | one-time |
| 1年生の追加ステージ | $0.99 | one-time |
| 1〜3年生の追加ステージ | $1.99 | one-time |


### LOCKD THE ROOM

[App page](https://appshunter.io/ios/app/lockd-the-room/id6785246165)

This puzzle game combines escape room challenges with deck-building mechanics. Players must explore rooms, collect items, and combine them to solve intricate puzzles and unlock new areas. It features a hint system and autosave for a smooth, offline experience.

**Highlights:** Item synthesis (A + B = C) for puzzle solving, Three distinct rooms with unique challenges, Progressive hint system, Offline play, Automatic progress saving, No personal data collection

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

**In-app purchases:** none


## Frequently asked questions

### Is 数学好きのラクガキパズル free?

数学好きのラクガキパズル is free to download, with in-app purchases available.

### Is LOCKD THE ROOM free?

LOCKD THE ROOM is free to download, with no in-app purchases.

### Do 数学好きのラクガキパズル or LOCKD THE ROOM have ads?

Neither 数学好きのラクガキパズル nor LOCKD THE ROOM shows ads.

### Which is updated more often, 数学好きのラクガキパズル or LOCKD THE ROOM?

数学好きのラクガキパズル ships an update fortnightly, and LOCKD THE ROOM every 4 days. Most recently, 数学好きのラクガキパズル was updated on October 6, 2026 and LOCKD THE ROOM on October 6, 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.*