ルーティーンToDo vs NULL Memo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ルーティーンToDo
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ルーティーンToDoは今日やることに特化したToDoアプリです。 タスク予約機能を使用すると、毎日のルーティーンタスクを毎朝自動でToDoに登録できます。 『読書』『ゴミ出し』『朝のメール返信』などを手動で毎朝登録する必要はありません。 もちろん通常のToDo項目を手動で追加することも容易です。 シンプルなデザインを採用しているため、どなたでも迷わず操作できます。 毎日の仕事・生活にぜひご活用下さい。 ----------------------------------------------------------------------------- プレミアムプラン(自動更新サブスクリプション)について ----------------------------------------------------------------------------- • 定期購入期間終了の24時間以上前に自動更新をオフにしない限り、期間終了時に自動更新されます。 • 更新料金は、定期購入期間終了前の24時間以内に課金されます。 • 購読の管理・解約は、購入後にお使いの端末の「設定」>「Apple ID」>「サブスクリプション」から行えます。 利用規約(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ -----------------------------------------------------------------------------
NULL Memo
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NULL Memo is a quick capture tool for notes, lists, and memos—simple, ad-free, and free from endless customization. It focuses on what matters most: writing something down before you forget it. ■ BUILT LIKE A REAL TOOL It avoids feature bloat and smart automation, focusing on fast capture and simple organization. Straightforward, consistent, and reliable. ■ STAYS NEAT IN ANY SCENARIO Use it for anything—notes, ideas, to-do lists, shopping lists, reminders. Whatever you put in, the layout stays structured and readable, so pages never feel messy. ■ ORGANIZE WITH PAGES Create pages to separate your contexts (work, personal, shopping, ideas, etc.). It's a lightweight organization that keeps things tidy without turning into a whole system you have to manage. ■ OFFLINE Your memos are stored locally on your device for instant access and control. No ads. No accounts. Just your notes, where they belong. ■ CALM, RESTRAINED VISUALS The design is intentionally quiet and minimal. It’s made to remove unnecessary distractions and stimulation, and focuses on achieving only a single purpose. Never lose a thought again.
Screenshots
Verdict
The clearest difference is ads: NULL Memo at none against ルーティーンToDo's shown. NULL Memo also leads on update cadence (daily vs every 3 months). ルーティーンToDo's advantage is device support (3 vs 1). On price, in-app purchases 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. ルーティーンToDo sells 1 in-app purchase, starting at $1.99 per month and NULL Memo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
ルーティーンToDo ships an update every 3 months, NULL Memo daily. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.
| Parameter | ルーティーンToDo | NULL Memo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 20 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | KAIHAWK | Aaron Chan |
In-app purchases
ルーティーンToDo
- ルーティーンToDo プロ版$1.991 Month
NULL Memo
- NULL Memo Pro$2.99









