# Line Sweeper vs KanjiSousyoQuiz byNSDev

The clearest difference is in-app purchases: KanjiSousyoQuiz byNSDev at none against Line Sweeper's 1. KanjiSousyoQuiz byNSDev also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Line Sweeper's advantage is review sentiment (86% vs 67%). On price, update cadence and device support there is nothing between them.

Both are free to download. Line Sweeper sells 1 one-off in-app purchase. KanjiSousyoQuiz byNSDev asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on October 1, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Line Sweeper | KanjiSousyoQuiz byNSDev |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/line-sweeper/id614449716/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **85.7% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 41 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stanley Lam](https://appshunter.io/developer/453164363) | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) |

## What reviewers say

### Line Sweeper

[App page](https://appshunter.io/ios/app/line-sweeper/id614449716)

This puzzle game challenges you to create a single, continuous loop by strategically placing lines. Numbered tiles indicate how many adjacent spaces must be part of the path, with a "check" function to help identify errors. It offers over 500 levels across five difficulty settings.

**Highlights:** Create a single continuous loop, Numbered tiles guide path placement, Over 500 levels, 5 difficulty levels, "Check" function highlights wrong lines, Autosave unfinished levels, Record best completion times

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Full Version | $0.99 | one-time |


### KanjiSousyoQuiz byNSDev

[App page](https://appshunter.io/ios/app/kanjisousyoquiz-bynsdev/id1224634517)

Practice recognizing cursive Japanese kanji characters through a multiple-choice quiz. Progress through levels by answering questions correctly, with up to 16 levels available. Sound effects can be toggled on or off.

**Highlights:** Learning mode with multiple-choice questions, Progress through 16 levels, Sound effects toggle, Uses Kouzan brush font handwriting, Offline play

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

**In-app purchases:** none


## Frequently asked questions

### Is Line Sweeper free?

Line Sweeper is free to download, with in-app purchases available.

### Is KanjiSousyoQuiz byNSDev free?

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

### Do Line Sweeper or KanjiSousyoQuiz byNSDev have ads?

Line Sweeper shows ads; KanjiSousyoQuiz byNSDev does not.

### Which is updated more often, Line Sweeper or KanjiSousyoQuiz byNSDev?

Line Sweeper ships an update every 6 months, and KanjiSousyoQuiz byNSDev every 6 months. Most recently, Line Sweeper was updated on October 1, 2026 and KanjiSousyoQuiz byNSDev on October 21, 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.*