Comparison

Notabook vs CalToDo

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

Head to head
About

Notabook

Record, transcribe, and summarize audio from meetings, lectures, and interviews with AI-powered insights. Interact with your content by asking questions and receive instant answers. Offers live captioning and seamless integration with other tools.

Highlights
  • AI-generated notes and action plans
  • Interactive content Q&A
  • Accurate, searchable transcripts with speaker labels
  • Live captioning
  • One-tap audio recording
  • Export summaries as PDF
  • Integration with collaboration tools
Features
Read full description

Notabook AI — Walk out of a meeting with the notes already done. Record once, and get accurate transcripts, AI summaries, and clear action items automatically. Record. Transcribe. Summarize. Act. Who It’s For • Professionals — Get clean meeting notes and follow-ups without the busywork. • Students — Review lectures and lock in learning with AI flashcards and quizzes. • Journalists & Researchers — Transcribe interviews with precision. • Everyone — From voice memos to webinars, Notabook handles it all. From Spoken Words to Organized Knowledge • AI-Generated Notes & Action Plans — Get a clear summary, key takeaways, and a structured next-step list in seconds. • Ask Your Notes Anything — Ask questions about any transcript and get instant, accurate answers. • Accurate, Searchable Transcripts — Word-perfect, speaker-labeled transcripts with smart punctuation, in multiple languages — ideal for global teams and foreign-language material. • Live Captioning — Real-time captions for live conversations or playback. Built for Your Workflow • One-Tap Capture — Start recording instantly, even in the background or with the screen locked. No time limits. • Study Tools — Turn any note into AI-powered flashcards and quizzes for smarter review. • Share & Export with Ease — Export as PDF, DOCX, or text, print directly, or share summaries as clean cards. Copy action items into your favorite tools, or push them to your calendar. Your Privacy First Your voice is yours. We use end-to-end encryption and a zero-data-retention policy for AI processing. Your recordings are never sold or used to train public models. Ready to master every conversation? Download Notabook and turn every important discussion into actionable knowledge. Terms of Use: https://notabook.app/terms-of-use.html Privacy Policy: https://notabook.app/privacy-policy.html

About

CalToDo

Features
Read full description

カレンダーとタスクを、ひとつのアプリで。 CalTodo は「今日何をすべきか」を迷わず把握できるシンプルなタスク&カレンダーアプリです。 Appleのカレンダーやリマインダーとも連携するので、バラバラになりがちな予定とタスクをひとまとめに管理できます。 ■ 主な機能 【今日ビュー】 今日が期限のタスクを一覧表示。期限切れのタスクも見やすく分けて表示するので、対応漏れを防げます。 【カレンダービュー】 月表示・週表示を切り替えながらスケジュールを確認。スワイプでサクサクページをめくれます。 日本の祝日も自動表示されるので、休日を意識した計画が立てやすくなります。 【タスク管理】 タイトル・メモ・期日(日時)・優先度(高・中・低)を設定できます。 完了したタスクはゴミ箱に移動し、後から復元することも可能です。 【Appleカレンダー連携】 タスクを終日イベントとしてAppleカレンダーに同期。使い慣れたカレンダーアプリとも行き来しやすくなります。同期先のカレンダーは自分で選べます。 【リマインダー連携】 AppleリマインダーとのSync機能。リマインダーリストを指定して整理できます。 【ホーム画面ウィジェット】 今日のタスク一覧・タスク追加・カレンダーの3種類のウィジェットに対応。 ホーム画面から直接タスクを確認・追加できます。 【表示のカスタマイズ】 文字サイズ・行間をスライダーで細かく調整できます。見やすさを自分好みに整えてください。 ■ プライバシーについて CalTodo はすべてのデータをデバイス内にのみ保存します。 個人情報を外部サーバーへ送信したり、広告・アナリティクス目的で利用することは一切ありません。

Screenshots

Notabook4 screens
CalToDo3 screens

Verdict

The call

The clearest difference is in-app purchases: CalToDo at none against Notabook's 9. Notabook's advantage is update cadence (weekly vs fortnightly). On price, ads, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Notabook sells 6 in-app purchases, starting at $6.99 per 7 days. CalToDo asks for nothing beyond the download.

UpkeepUpdate frequency

Notabook ships an update weekly, CalToDo fortnightly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Notabook versus CalToDo: the parameters behind the verdict, then further details
ParameterNotabookCalToDo
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.0
Further details — not scored
Size83 MB1 MB
Age rating4+4+
Developer燃 温Yuichiro Nakano

In-app purchases

6 purchases

Notabook

Subscriptions6
  • Premium Weekly2 variants$6.997 Days
  • Premium Weekly3 Days trial$6.997 Days
  • Premium Monthly3 Days trial$14.991 Month
Show 3 more
  • Premium Monthly2 variants$14.991 Month
  • Premium Yearly$89.991 Year
  • Premium Yearly3 Days trial2 variants$89.991 Year
None

CalToDo

No in-app purchases

Questions

Is Notabook free?
Notabook is free to download, with in-app purchases available.
Is CalToDo free?
CalToDo is free to download, with no in-app purchases.
Do Notabook or CalToDo have ads?
Neither Notabook nor CalToDo shows ads.
Which is updated more often, Notabook or CalToDo?
Notabook ships an update weekly, and CalToDo fortnightly. Most recently, Notabook was updated on October 28, 2026 and CalToDo on October 25, 2026.

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