# LINES 一筆書きパズルゲームで頭脳を試す vs SideMirrorRush

The clearest difference is in-app purchases: SideMirrorRush at none against LINES 一筆書きパズルゲームで頭脳を試す's 4. SideMirrorRush also leads on update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LINES 一筆書きパズルゲームで頭脳を試す sells 4 one-off in-app purchases. SideMirrorRush asks for nothing beyond the download.

LINES 一筆書きパズルゲームで頭脳を試す ships an update monthly, SideMirrorRush weekly. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | LINES 一筆書きパズルゲームで頭脳を試す | SideMirrorRush |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 82 MB | 146 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ZAIZEN Co., Ltd.](https://appshunter.io/developer/380406945) | [CrossPlusStudio, Inc.](https://appshunter.io/developer/1776555512) |

## What reviewers say

### LINES 一筆書きパズルゲームで頭脳を試す

[App page](https://appshunter.io/ios/app/lines/id1528926663)

A challenging puzzle game where you draw lines to fill a grid. With simple rules and multiple solutions per level, it offers 100 stages of brain-training fun. Hints are available to help you progress through the increasingly difficult puzzles.

**Highlights:** Simple line-drawing gameplay, Multiple solutions per puzzle, 100 stages of increasing difficulty, Hint system for assistance, Brain-training and mental exercise, Free to play

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ヒントチケット(5枚) | $0.99 | one-time |
| ヒントチケット(15枚) | $1.99 | one-time |
| ヒントチケット(30枚) | $3.99 | one-time |
| ヒントチケット(50枚) | $5.99 | one-time |


### SideMirrorRush

[App page](https://appshunter.io/ios/app/sidemirrorrush/id6737467110)

**In-app purchases:** none


## Frequently asked questions

### Is LINES 一筆書きパズルゲームで頭脳を試す free?

LINES 一筆書きパズルゲームで頭脳を試す is free to download, with in-app purchases available.

### Is SideMirrorRush free?

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

### Do LINES 一筆書きパズルゲームで頭脳を試す or SideMirrorRush have ads?

Both LINES 一筆書きパズルゲームで頭脳を試す and SideMirrorRush show ads.

### Which is updated more often, LINES 一筆書きパズルゲームで頭脳を試す or SideMirrorRush?

LINES 一筆書きパズルゲームで頭脳を試す ships an update monthly, and SideMirrorRush weekly. Most recently, LINES 一筆書きパズルゲームで頭脳を試す was updated on October 7, 2026 and SideMirrorRush on October 2, 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.*