Fast Diary vs My ATF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fast Diary
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Fast Diaryは、シンプルでサクッと日記を書くことができるアプリです。 その日の気分や天気も簡単に記録することができ、一言日記を残していくことができます。 このアプリの特徴 ・シンプルでオシャレ、ミニマルなデザイン ・テーマカラーを気分に合わせて変更できる ・気分や天気をアイコンで記録・確認できる ・日記に写真を設定することができる ・保存した日記を検索できる ・カレンダーで一覧確認できる ・ロック機能（パスコード・生体認証）でロックできる また、今後以下の機能追加を予定しています。 ・iCloudバックアップ機能 ・アルバム機能 ご要望や不明点はお問い合わせ画面からお問い合わせください。
My ATF
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Use your My ATF App to place orders, manage your account, make payments and if you are an ATF SMART customer you can also monitor your fuel levels and usage. Everything you need to manage your heating oil account in once place.
Screenshots
Verdict
The clearest difference is in-app purchases: My ATF at none against Fast Diary's 1. My ATF also leads on ads (none vs shown) and update cadence (monthly vs every 3 months). On price 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. Fast Diary sells 1 one-off in-app purchase. My ATF asks for nothing beyond the download.
Fast Diary ships an update every 3 months, My ATF monthly. The most recent releases landed on August 17, 2026 and September 19, 2026 respectively.
| Parameter | Fast Diary | My ATF |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 14.0.0 — better |
| Further details — not scored | ||
| Size | 89 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Haruya Nakamura | Createanet |
In-app purchases
Fast Diary
- Ad hiding option$0.99
My ATF
No in-app purchases
