# 日本通信アプリ vs Puzzle Cheat Sheet

The clearest difference is in-app purchases: 日本通信アプリ at none against Puzzle Cheat Sheet's 1. 日本通信アプリ also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Puzzle Cheat Sheet sells 1 one-off in-app purchase. 日本通信アプリ asks for nothing beyond the download.

日本通信アプリ ships an update fortnightly, Puzzle Cheat Sheet weekly. The most recent releases landed on November 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 日本通信アプリ | Puzzle Cheat Sheet |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 12.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 55 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Japan Communications Inc.](https://appshunter.io/developer/493542028) | [Hayato Sato](https://appshunter.io/developer/1510795344) |

## What reviewers say

### 日本通信アプリ

[App page](https://appshunter.io/ios/app/id1659613825)

**Features:** Vision Pro support

**In-app purchases:** none


### Puzzle Cheat Sheet

[App page](https://appshunter.io/ios/app/puzzle-cheat-sheet/id6796991942)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| テーマパック | $2.99 | one-time |


## Frequently asked questions

### Is 日本通信アプリ free?

日本通信アプリ is free to download, with no in-app purchases.

### Is Puzzle Cheat Sheet free?

Puzzle Cheat Sheet is free to download, with in-app purchases available.

### Do 日本通信アプリ or Puzzle Cheat Sheet have ads?

Neither 日本通信アプリ nor Puzzle Cheat Sheet shows ads.

### Which is updated more often, 日本通信アプリ or Puzzle Cheat Sheet?

日本通信アプリ ships an update fortnightly, and Puzzle Cheat Sheet weekly. Most recently, 日本通信アプリ was updated on November 3, 2026 and Puzzle Cheat Sheet on October 10, 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.*