memory keeper vs ToDoMemo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
memory keeper
Easily back up and manage data from your iPhone or iPad without needing the cloud or a PC. Browse and play photos, videos, music, and documents stored on a microSD card. It also functions as external storage when connected to a computer.
- Easy iPhone/iPad data backup
- Browse and play microSD card content
- Sync photos and files with PC
- Fast app startup
- One-touch backup and restore
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本アプリのご使用には、別売のmemory keeper（SoftBank SELECTION microSD カードリーダー＆ライター for iPhone/iPad）が必要です。 ■memory keeper（SoftBank SELECTION microSD カードリーダー＆ライター for iPhone/iPad）■ iPhone/iPadにmemory keeperを接続し、本アプリを起動するだけで、クラウドやインターネット、PCを使用せずにデータのバックアップと閲覧・再生が簡単にできます。 ＜ご使用方法＞ 3ステップで簡単にバックアップが可能です。 ① iPhone/iPadにmemory keeperを接続 ② 2秒でアプリが高速起動 ③ アプリ画面の一括バックアップボタン・復元ボタンを押し、バックアップ開始 ＜主な特長＞ ・iPhone/iPadのデータを簡単バックアップ ※カメラロール、連絡先に保存されたデータ ・ microSDカード内の写真、ビデオ、音楽、文書（Word、Excel、PDFなど）の閲覧・再生 ※著作権で保護されているコンテンツや文章のバックアップはできません ・ パソコンと接続して外部メモリーとしても活用でき、写真やファイルの同期が可能 memory keeperの詳細については、 http://www.softbankselection.jp/memory_keeperをご覧ください。 ＜注意事項＞ ・本アプリのご使用には、別売のmemory keeper（SoftBank SELECTION microSD カードリーダー＆ライター for iPhone/iPad）が必要です。 ・本製品のご使用には、microSDHC/microSDXCメモリーカード(別売)が必要です。 ・ご使用の前に製品に同梱された取扱説明書をお読みいただき、正しくお使いください。
ToDoMemo
Organize your tasks with a simple tabbed to-do list. Create custom tabs for different projects or categories, add notes, and manage your to-do items efficiently. Personalize the look with theme colors and font size adjustments.
- Manage to-dos by tab
- Create and rename custom tabs
- Reorder and delete tabs
- Change memo location
- Multi-select memo deletion
- Theme and font customization
- Notification function
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Simple tab type to do application! ! Add tab and just register for to do. You can create tabs and do as much as you want. It is convenient to take a little note. 【About functions】 · Manage to do by tab. · Change the tab name freely. · Deleting and reordering tabs. · Change location of memos. · Delete multiple selection of memos. · Change theme color. · Change of font size. · Notification function.
Screenshots
Verdict
The clearest difference is ads: memory keeper at none against ToDoMemo's shown. memory keeper also leads on update cadence (every 6 weeks vs every 5 months) and monetization model (free vs ad-supported). On price, review sentiment, 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. Neither carries in-app purchases, so what you see is what you pay.
memory keeper ships an update every 6 weeks, ToDoMemo every 5 months. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.
| Parameter | memory keeper | ToDoMemo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 weeks — better | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 35 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | SB C&S Corp. | Yuko Takizawa |
Customer experience
memory keeper
ToDoMemo
In-app purchases
memory keeper
No in-app purchases
ToDoMemo
No in-app purchases
