日本通信アプリ vs Puzzle Cheat Sheet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
日本通信アプリ
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日本通信アプリは、日本通信SIMのお申込みや、マイぺージでのご契約情報の確認・変更などをご利用いただける公式アプリです。 本アプリでは、マイナンバーカードによる本人確認後、FPoSに基づく電子証明書を発行し、認証を行います。 これにより、マイページへのログインを厳格に認証することができます。 また、日本通信SIMのお申込み時にも、お客様を認証する手段としてご利用いただけます。 主な特徴： ◆ 日本通信SIMのお申込み ◆ FPoSに基づく電子証明書を利用したログインおよびお申込み時の本人確認 ◆ マイぺージでのご契約情報の確認・変更 詳しくは、日本通信SIMのウェブサイトをご確認ください。
Puzzle Cheat Sheet
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Have you ever felt flustered during a real-life escape game or puzzle-solving event, thinking, “I’ve seen this pattern before, but I just can’t remember it…”? “Puzzle Cheat Sheet” is the ultimate support tool for puzzle fans, letting you quickly look up frequently used patterns and reference tables! [Examples of Included Content] ・The Iroha poem ・Days of the week ・Months and more—supporting over 30 types of rules in total! [Features] ・Built-in note-taking function ・Ultra-fast single-character search ・Fully offline compatible Translated with DeepL.com (free version)
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | 日本通信アプリ | Puzzle Cheat Sheet |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 12.8% of reviews | — |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 55 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Japan Communications Inc. | Hayato Sato |
In-app purchases
日本通信アプリ
No in-app purchases
Puzzle Cheat Sheet
- テーマパック$2.99
