日数カウントカレンダー vs Plainify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
日数カウントカレンダー
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【概要】 このアプリは、予定した日までの残り日数をカウントしれくれるカレンダーです。 【こんな人にオススメ】 - 予定した日までの残り日数が知りたい - シンプルなカレンダーを使いたい 【できること】 - カレンダーアプリとして使えます - 予定日までの残り日数がしれます 【余談】 残り日数がわかるシンプルなカレンダーがほしいと思って作りました
Plainify
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[Transform Complex Text into Plain, Easy English] "Kamikuda" uses cutting-edge AI to convert and summarize difficult news, official documents, and complex contracts into "Plain English" that anyone can understand. ■ Recommended for: When news articles are too dense and hard to follow. When you want to understand formal jargon in government or medical documents. When English learners want to study by breaking down advanced vocabulary. When you need to summarize long texts for a quick read. ■ Key Features AI "Kamikuda" Simplify: Simply copy-paste or type text, and the AI will analyze the context to "break it down" into easy-to-read language. Camera OCR (Optical Character Recognition): Snap a photo of documents or books to instantly digitize and simplify the text. AI Chat Consultation: Ask follow-up questions about the simplified content or request different ways to rephrase it. Multi-language Support: The app supports multiple languages including Japanese and English, serving as a global reading support tool. ■ Our Vision Language is full of complex expressions that can prevent important information from being understood. "Kamikuda" aims to remove these barriers using AI, creating a world where information is accessible to everyone. Note: This app uses advanced AI like the Gemini API to ensure high accuracy. However, for critical legal or medical documents, please always cross-reference with the original text.
Screenshots
Verdict
The clearest difference is in-app purchases: Plainify at none against 日数カウントカレンダー's 1. Plainify also leads on update cadence (every 5 days vs monthly). 日数カウントカレンダー's advantage is ads (none vs shown). On price, device support and iOS requirement 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. 日数カウントカレンダー sells 1 one-off in-app purchase. Plainify asks for nothing beyond the download.
日数カウントカレンダー ships an update monthly, Plainify every 5 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | 日数カウントカレンダー | Plainify |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 32 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomohiro Sasaki | Kasanimaro |
In-app purchases
日数カウントカレンダー
- 非消耗型アイテム$1.99
Plainify
No in-app purchases









