DeepDo vs CellNotes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DeepDo
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## App Overview DeepDo is a powerful to-do app that lets you organize tasks and information in an unlimited tree structure. Create subtasks within tasks, and add even finer tasks within those, so you can freely structure complex content. From personal task management to project management, learning, design, and information organization, you can manage your flow of thought as a tree. DeepDo also supports AI-powered structure generation. Simply enter text or ideas, and complex content is automatically organized into a hierarchy. Created structures can be saved, shared, and exported as PDF. Use cases range from sharing procedures and expanding to-do lists to organizing knowledge and visualizing structure—for both personal and team use. ## Main Features * Add items (to-dos) * AI structure generation * Automatically convert ideas and text into a hierarchy * Support for project planning, learning content, and work procedures * Menu when tapping an item * Select: Open a page based on the selected to-do * Add list: Create a sub-to-do under the selected item * Edit: Change title / price (numeric value) / color * Save: Save the selected item and everything below it * Delete: Delete the selected item and its children * Cut / Copy: Include children; paste anywhere * Insert: Insert saved, cut, or copied items as children * Bulk insert: Paste text and auto-create one item per line * Progress split: Split a to-do with a value into children (original value is cleared) * Hide / collapse children (swipe shortcut) * Display in 3-level blocks (e.g. show levels 5–7; levels 1–4 in breadcrumbs at top) * Drag to reorder and organize items * Map mode: View the full structure; pan and pinch to zoom * Sharing mode: Online sharing via public, group, or limited access * PDF export: Save as searchable, copyable PDF * Backup to storage (folder organization supported) * Backup list: Share / overwrite save / insert / restore / delete * 47 languages (change anytime in settings) ## About Price (Numeric Values) Price is a numeric value you can set on a to-do item. Units can be changed in settings and used for workload, amounts, quantities, man-hours, and more. Examples: * yen * $ * pcs * tasks * person-days *Only leaf items can hold numeric values. ## Developer Intent This app is built for people who think structurally. It shines not only in task management but also when organizing complex information for planning, design, writing, learning, and research. We continue to develop it as an app that supports structuring your thinking itself. ## What Sets DeepDo Apart * Flexible structure management with unlimited hierarchy * Automatic hierarchy generation with AI * Flexible editing with cut / copy / insert at partial levels * Progress and workload visibility with price (numeric values) * Full-structure visualization in map view * PDF export with search and copy support * Online sharing for personal and team use ## Future Updates * Ongoing improvements to AI features * Expanded sharing capabilities * Continuous iOS improvements * More flexible, useful features based on user feedback ## Terms of Use and Privacy Policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ DeepDo Terms of Use: https://deepdo.blue/en/terms Privacy Policy: https://deepdo.blue/en/privacy
CellNotes
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メモみたいに軽い、シンプルなスプレッドシート。 CellNotes は「表は欲しいけど、本格的な表計算アプリは大げさ」を解決します。 メモアプリのように軽く開けて、ちょっとした集計までこなせます。 家計簿、買い物リスト、点数の記録、出張費の概算。 「表でメモを取りたい」その場面の、第一選択へ。 ■ できること ・表形式のノートをすぐ作成・編集 ・列ごとに型を設定(テキスト/数値/計算) ・数値列の合計、列同士の計算式 ・行のチェックで消し込み(タスクモード) ・アーカイブと復元(うっかり削除を防ぐ論理削除) ■ CellNotes が「やらない」こと 軽さを守るために、あえて持たない機能があります。 ・多人数での共有・同時編集はしません(個人ツールに特化) ・VLOOKUP や IF などの複雑な関数はありません(合計・平均などの基本集計のみ) ・シート切り替えやセル参照式はありません(1ノート=1つの表) ■ データはすべて端末の中 通信は行いません。あなたのノートは端末内にだけ保存されます。 アカウント登録も不要。開いてすぐ書けます。 ```
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Verdict
The clearest difference is in-app purchases: CellNotes at none against DeepDo's 5. CellNotes also leads on ads (none vs shown). DeepDo's advantage is update cadence (weekly vs every 3 weeks). On price, 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
Both are free to download. DeepDo sells 5 in-app purchases, starting at $2.99 per month. CellNotes asks for nothing beyond the download.
DeepDo ships an update weekly, CellNotes every 3 weeks. The most recent releases landed on October 6, 2026 and September 20, 2026 respectively.
| Parameter | DeepDo | CellNotes |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 34 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | HIROSHI KAWASHIMA | Takafumi Terasaki |
In-app purchases
DeepDo
- DeepDo Premium$2.991 Month
- DeepDo Premium Description$2.99
- 3000 AI Points$2.99
- 35000 AI Points$29.99
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- 75000 AI Points$59.99
CellNotes
No in-app purchases









