Comparison

Dayji vs MemoSoon

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Dayji

This app helps you record your daily thoughts and memories with features like monthly summaries, photo galleries, and customizable themes. It offers iCloud synchronization and CSV export for easy data management and access across devices.

Highlights
  • Monthly summary memos
  • Photo gallery per day
  • iCloud backup and sync
  • CSV export
  • Password lock
  • Customizable themes and font size
Read full description

A simple diary app that allows you to view entries on a monthly basis. It supports synchronization with iCloud and allows you to export your diary entries in CSV format. ■ Two selectable display styles: List View and Monthly View List View displays entries in a list format, showing only the dates on which entries were written. Monthly View displays all dates in advance. You can choose the display method that suits you best. ■ Ability to write summary memos for each month This feature allows you to easily reflect on what you have been doing. It also helps you remember what happened in a particular month when looking back. ■ Favorites feature You can easily access important diary entries and quickly retrieve the necessary information. ■ Photo gallery for each day's captured photos You can easily browse photos taken on specific dates, enhancing your memory of past events. Even when writing diary entries at a later date, it will be easier to recall the events of that day. Additionally, you can add photos without manual effort, making diary writing stress-free. ■ Visual division by week for easy viewing Similar to how calendars are divided into weeks, this app also provides visual divisions for each week. ■ Easily identify days without diary entries to prevent forgetting The app displays the number of diary entries for each month, encouraging you to write a diary entry every day. It helps maintain the habit of writing a diary. ■ Write diary entries in plain text You can write diary entries in plain text, freeing yourself from the hassle of formatting text. ■ Character counter to track the number of words A character counter allows you to quickly see how much you have written, helping you keep track of your progress. ■ Supports backup in CSV format You can back up your diary entries and easily store the data externally. ■ Compatible with Mac for editing and viewing on any device Since it is also compatible with Mac, you can edit your diary entries on any device that suits your convenience. ■ Customizable theme colors You can change the theme colors to your liking, selecting colors that match your preferences. ■ Adjustable font size You can change the font size according to your preference. If the text is too small or too large to read comfortably, you can adjust it to a size that suits you. ■ Backup and synchronization across devices using iCloud You can back up your diary entries using iCloud, eliminating the worry of data loss. It also allows sharing and editing of entries across different devices. ■ Lock the app with a password You can lock the app with a password, ensuring the security of your diary.

About

MemoSoon

Features
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「忘れたくない」を最速で叶えるメモアプリ ふと頭に浮かんだアイデア、大切なタスク、忘れがちな情報…「MemoSoon」は、あなたの思考を瞬時に捉えるために生まれました。 アプリを開いて、即メモ。 シンプルな操作で、あなたの創造性や生産性を最大限に引き出します。 もう「忘れた!」と後悔することはありません。 今すぐ「MemoSoon」で、あなたの記憶を解放しましょう。 新機能: バージョン11.0より ◆「究極のズボラモード(自動保存モード)」を用意しました。 このモードを有効にすることで、メモを書き終わり、ホーム画面に戻る/スマホを閉じるの操作で、メモが残せるようになります。 自動保存後、アプリを再び開くと新規のメモ作成が始まります。 リストに戻ったり、次のメモの作成を開始する操作も不要な新モード!! ◇ロック画面ショートカット機能の説明ページへのリンクをアプリ内に用意しました。 説明記事をいつでも確認。 説明記事からショートカットをダウンロードすることで設定の手間も少なく。 最速メモである「ロック画面ショートカットメモ作成機能」、まだ使っていない方はぜひ使ってみてください!! ぜひ、あなたのアイデアを最速で残してください。 バージョン3.0より ◆iOSショートカットアプリに対応しました! MemoSoonを使ったショートカットを追加することで、ロック画面から新規メモの追加や、音声入力したテキストをメモとして追加できるようになります。 ショートカット機能の解説記事はこちら https://note.com/fujitom_2202/n/neb2de10f7564 便利なショートカットはこちら 【ロック画面ウィジェット用ショートカット】 https://note.com/fujitom_2202/n/neb2de10f7564 【音声メモ用ショートカット】 https://note.com/fujitom_2202/n/neb2de10f7564 特徴: ◆最速クラスの起動と入力: アプリを開けば、すぐにキーボードが表示され、メモを開始できます。 ◇シンプルで直感的なUI: 誰でも迷わず使える、洗練されたインターフェース。 ◆日付ごとの自動整理: メモは作成日ごとに自動で整理され、振り返りも簡単。 ◇タグ付けによる分類: タグを使ってメモを自由自在に分類・検索できます。 ◆柔軟なソート機能: 作成日時順(昇順・降順)でメモを並び替え可能。 ◇ロック画面にMemoSoonのショートカットを配置して、ロック画面でメモを作成! ◆音声メモ対応!!音声メモショートカットをロック画面に配置して、ロック画面からワンタップで音声メモを残せます!! 「MemoSoon」は、あなたの想い、アイデアの素早いキャッチをサポートします。 今すぐダウンロードして、快適なメモライフを始めましょう!

Screenshots

Dayji4 screens
MemoSoon4 screens

Verdict

The call

The clearest difference is ads: Dayji at none against MemoSoon's shown. Dayji also leads on device support (3 vs 1). MemoSoon's advantage is update cadence (weekly vs every 2 months) and iOS requirement (18.1 vs 26.0). On price and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Dayji ships an update every 2 months, MemoSoon weekly. The most recent releases landed on July 28, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 5 level
Dayji versus MemoSoon: the parameters behind the verdict, then further details
ParameterDayjiMemoSoon
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 2 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS26.018.1 — better
Further details — not scored
Size2 MB8 MB
Age rating4+4+
DeveloperDaichi KatoTomohiro Fujimura

In-app purchases

None

Dayji

No in-app purchases

None

MemoSoon

No in-app purchases

Questions

Is Dayji free?
Dayji is free to download, with no in-app purchases.
Is MemoSoon free?
MemoSoon is free to download, with no in-app purchases.
Do Dayji or MemoSoon have ads?
MemoSoon shows ads; Dayji does not.
Which is updated more often, Dayji or MemoSoon?
Dayji ships an update every 2 months, and MemoSoon weekly. Most recently, Dayji was updated on July 28, 2026 and MemoSoon on September 19, 2026.

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