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Best Personal Knowledge Management Apps for iPhone (2026)
Quick answer
Notion: Notes, Tasks, AI is the top-ranked of the 8 tiered personal knowledge management apps on iPhone, at S tier with 4.8/5 from 140,504 ratings.
Tier list
Top 5
- 1
- 2
- 3
- 4
Gemini NotebookB tier★ 4.8 · 96.0K ratings · Free + IAP - 5
★ 4.8 · 24.3K ratings · Free + IAP
Key takeaways
- Notion ranks #1 of the 8 tiered personal knowledge management apps, S tier with a score of 97 out of 100.
- The highest-ranked free app with no in-app purchases is Obsidian (#3).
- Evernote has the most App Store ratings here: 261,365, averaging 4.3/5.
- 3 of the 8 tiered apps reach S or A tier.
- Notion carries Apple's Editors' Choice badge.
What belongs in this list
Collect notes, ideas, and links in one linked place to find and reuse them later.
Not here: a plain notes app with no linking or search alone; a to-do list alone; a general chatbot with no saved memory alone; a bookmark list alone; a personal development or habit app alone
How we pick
For this list we ask the App Store the same searches a person would, in several countries, and keep every app it returns. A model reads each app's listing and rejects the ones that only mention the use case. Every app that stays is scored out of 100 from four parts, each 0 to 100 and averaged: its App Store rating, how many people rated it, where the App Store itself ranks it for this list's searches, and how recently its current version shipped. An app showing Apple's Editors' Choice badge gets a fifth part of 100, which can only lift its score. Apps whose maker has verified ownership get a small score component, because an active maker is a sign the app is kept up to date. It never decides a tier on its own. Updated daily. Tiers follow fixed score bands: S from 90, A from 80, B from 70, C from 60, D from 50, F below. On a list of 20 or more ranked apps, a tier from S to D takes in new apps only up to a quarter of the top 40: an app pushed out of a full tier falls to the next tier with room, and F takes the rest. Read the full method →
Compare every app
| # | App | Tier | Score | Rating | Ratings | Price | Updated |
|---|---|---|---|---|---|---|---|
| 1 | Notion: Notes, Tasks, AIBest overall | S | 96.8 | 4.8 | 140,504 | Free + IAP | |
| 2 | Evernote: AI Notes & NotebookMost rated | A | 89.7 | 4.3 | 261,365 | Free + IAP | |
| 3 | Obsidian - Connected NotesBest free | A | 88.6 | 4.4 | 4,576 | Free download | |
| 4 | Gemini Notebookprovisional | B | 71.7 | 4.8 | 95,972 | Free + IAP | |
| 5 | Workflowy: Note, List, Outlineprovisional | C | 70.1 | 4.8 | 24,253 | Free + IAP | |
| 6 |  RemNote - Notes & Flashcardsprovisional | C | 68.0 | 4.8 | 4,421 | Free + IAP | |
| 7 |  Milanoteprovisional | C | 67.7 | 4.7 | 5,117 | Free + IAP | |
| 8 |  Reteumprovisional | F | 25.0 | n/a | 0 | Free + IAP |
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Questions people ask
What is the best personal knowledge management app for iPhone?
Notion: Notes, Tasks, AI, S tier, ranked #1 of 8, rated 4.8 by 140,504 people.
Which personal knowledge management apps are free?
8 of 8 are free to download: Notion: Notes, Tasks, AI (S), Evernote: AI Notes & Notebook (A), Obsidian - Connected Notes (A), Gemini Notebook (B) and more. 7 of them sell in-app purchases. 1 reports no in-app purchases.
Which personal knowledge management app has the best App Store rating?
Gemini Notebook at 4.8 from 95,972 ratings.
How many personal knowledge management apps reach S or A tier?
3 of 8.