3sec Diary vs シンプル日記+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3sec Diary
Quickly log daily activities and feelings in just three seconds. Your entries are securely stored in your iPhone Calendar, ensuring data safety and easy access. This tool helps you preserve memories and makes research and sharing effortless.
- 3-second daily logging
- Calendar integration
- Secure data storage
- Easy research and sharing
- Memory preservation
Read full descriptionHide full description
This "3sec Diary” is not just a diary. You can input what you did, how you feel in this tool.It will take only 3 seconds!Your time will be saved. And you can leave it on your calendar on iPhone as long as you want. "3sec Diary “ data is not recorded on App on your iPhone.The data is recorded to your iPhone Calendar.You never miss your data when something wrong with this App. Researching ,synchronizing,sharing are so easy. This “3sec Diary” is not just a diary, but your memories.
シンプル日記+
Read full descriptionHide full description
『シンプル日記』アプリ概要 コンセプト 『シンプル日記』は、シンプルで最軽量な日記アプリです。余計な機能を排除し、ただ「日記を書く」ことに特化。使い方に迷うことなく、誰でもすぐに始められます。 特徴 ・シンプル設計：最低限の機能だけを搭載し、直感的に使えるUI ・アカウント不要：登録なしですぐに利用可能 ・買い切り：月額課金なし、追加費用ゼロ ・広告なし（プレミアム版）: 集中して日記を書ける環境 ・軽量 & 高速：ストレスなく素早く起動 ・ローカル保存：クラウド依存なしで安全に日記を管理 基本機能 ・日記の作成・編集・削除 ・カレンダー表示で過去の日記を簡単に振り返り ・画像添付機能で思い出を記録 ・キーワード検索で過去の日記をすぐに見つけられる こんな方におすすめ ・シンプルな日記アプリを探している ・スキマ時間に手軽に日記をつけたい ・画像も一緒に記録したい ・サブスクなしで買い切りのアプリが欲しい ダウンロード シンプルで使いやすい『シンプル日記』を今すぐ体験！
Screenshots
Verdict
The clearest difference is ads: シンプル日記+ at none against 3sec Diary's shown. シンプル日記+ also leads on update cadence (every 6 months vs every 26 months). 3sec Diary's advantage is iOS requirement (12.0 vs 18.2). On price, in-app purchases 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. 3sec Diary sells 1 one-off in-app purchase and シンプル日記+ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
3sec Diary ships an update every 26 months, シンプル日記+ every 6 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.
| Parameter | 3sec Diary | シンプル日記+ |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| Update frequency | Every 26 months | Every 6 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 12 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | KENJI KANEMOTO | taiyo maeno |
In-app purchases
3sec Diary
- Eliminate Ads$0.99
シンプル日記+
- 広告非表示$0.99
