Comparison

Outliner vs PDCA LOG

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

Head to head
About

Outliner

This app helps you organize thoughts and ideas with a simple yet powerful outliner. Create nested lists, manage multiple projects, and use intuitive controls to structure essays, novels, or tasks. Its clean interface minimizes distractions for focused thinking.

Highlights
  • Infinite hierarchy for nested lists
  • Intuitive controls for reordering items
  • Multiple document management
  • Focus-oriented minimalist interface
  • Idea capture and development
Features
Read full description

Organize your thoughts. Structure your ideas. Keep everything clear. Outline is a simple outliner and hierarchical note-taking app that helps you organize ideas, notes, and information into flexible nested lists. KEY FEATURES • Nested Notes: Structure your ideas with parent and child items. • Drag and Drop: Easily rearrange items and change their hierarchy. • Multiple Documents: Keep notes, plans, and projects organized separately. • Simple Editing: Add, edit, and delete items with ease. • Auto Save: Your changes are saved automatically. • User Guide: Learn the basics with the built-in manual. PERFECT FOR • Organizing ideas and brainstorming • Taking work or study notes • Planning projects and tasks • Structuring writing and outlines • Keeping information clear and organized Start with a simple list, then build a structure that makes sense to you. Move ideas around, group related thoughts, and turn scattered notes into clear outlines. A simple way to think, plan, and organize.

About

PDCA LOG

Features
Read full description

PDCA LOGは、日々の実践をPDCAサイクルで 記録・分析・改善するアプリです。 【主な機能】 ・実践ログの記録と管理 ・AIコーチングによる振り返り分析 ・お相手・関係者情報の管理 ・Discordへの投稿フォーマット自動生成 ・クラウド同期(機種変後もデータ復元) ・バックアップ・復元機能 【AIコーチング】 神経科学・心理学・行動経済学の 観点からあなたの実践を分析し、 具体的な改善提案を提供します。 【データ管理】 アカウント登録でデータをクラウドに保存。 機種変更後もログインするだけで 全データを復元できます。 ※AIによる回答は情報提供を目的としたものであり、 専門家によるアドバイスの代替ではありません。 【利用規約】 https://ichi-labs.com/terms/ 【プライバシーポリシー】 https://ichi-labs.com/privacy-policy/ 本アプリはAI機能にAnthropic社のClaude APIを使用しています。 AI機能利用時にログの内容がAnthropic社のサーバーに送信されます。

Screenshots

Outliner4 screens
PDCA LOG4 screens

Verdict

The call

The clearest difference is ads: PDCA LOG at none against Outliner's shown. PDCA LOG also leads on update cadence (every 6 days vs every 14 months) and device support (3 vs 1). 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. Outliner sells 2 one-off in-app purchases and PDCA LOG sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Outliner ships an update every 14 months, PDCA LOG every 6 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
Outliner versus PDCA LOG: the parameters behind the verdict, then further details
ParameterOutlinerPDCA LOG
PriceFreeFree
Rating3.5 (4 ratings) — better—
Positive reviews20.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 14 monthsEvery 6 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size4 MB36 MB
Age rating4+17+
Developerhirokazu murabeICHI LABS

In-app purchases

2 purchases

Outliner

One-time2
  • Hide Advertisement$2.99
  • Remove Ads & Unlimited Docs$3.99
5 purchases

PDCA LOG

Subscriptions2
  • Standard$2.991 Month
  • Premium$5.991 Month
One-time3
  • 20 Tokens$0.99
  • 50 Tokens$2.99
  • 120 Tokens$5.99

Questions

Is Outliner free?
Outliner is free to download, with in-app purchases available.
Is PDCA LOG free?
PDCA LOG is free to download, with in-app purchases available.
Do Outliner or PDCA LOG have ads?
Outliner shows ads; PDCA LOG does not.
Which is updated more often, Outliner or PDCA LOG?
Outliner ships an update every 14 months, and PDCA LOG every 6 days. Most recently, Outliner was updated on November 2, 2026 and PDCA LOG on November 5, 2026.

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