Best Zettelkasten Apps

250+ iOS apps curated and reviewed

3.7 avg rating
19 free apps
Updated November 2026

If you already know Obsidian, this is the deeper bench. 250+ zettelkasten apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of November 2026.

Compare top Zettelkasten Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Obsidian - Connected NotesObsidian - Connected NotesFree4.5★ (2.8K)NoNoNov 2026
2ZettelkastenNoteZettelkastenNoteFree3.5★ (4)NoYesNov 2026
3Kasten - Zettelkasten CardsKasten - Zettelkasten CardsFree5.0★ (1)NoNoOct 2026
4Notion: Notes, Tasks, AINotion: Notes, Tasks, AIFree4.8★ (91K)NoYesNov 2026
5Metaslip: Note & ZettelkastenMetaslip: Note & ZettelkastenFree3.5★ (6)NoYesNov 2026
6Supernote - Zettelkasten NotesSupernote - Zettelkasten NotesFree1.0★ (1)NoYesOct 2026
7Zettelkasten: Notes GraphZettelkasten: Notes GraphFree3.0★ (1)NoYesOct 2026
8ZenZettelZenZettelFree5.0★ (1)NoYesOct 2026

Top Picks for Zettelkasten

Obsidian - Connected Notes#1

Obsidian - Connected Notes by Dynalist Inc.

Your second brain on the go
Editor's Choice
📊 Productivity
4.5😊(2.8K ratings)
Free
Obsidian - Connected Notes screenshot 1
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Obsidian - Connected Notes screenshot 6

Organize your thoughts and ideas with a powerful knowledge base that stores your notes as plain text Markdown files. Access your personal second brain on any device, with extensive customization options and community-driven plugins.

What We Love

  • 🚀 Powerful features
  • 👍 Customizable and flexible
  • 🔒 Secure and private
  • 💡 Innovative note-taking approach
  • 🚀 Smooth mobile experience
  • 👍 Excellent desktop and mobile integration
  • 👍 Vibrant community and plugin ecosystem

Room to Improve

  • 🐛 Sync issues and unreliable iCloud integration
  • 🔋 Slow startup and performance issues on mobile
  • 👎 Steep learning curve for new users
  • 👎 Limited sorting and organization options
  • 👎 Lack of WYSIWYG editing on mobile
ZettelkastenNote#2

ZettelkastenNote by Shoetsu Kawasato

ZettelkastenNote
Strong Contender
📊 Productivity
3.5(4 ratings)
FreeIn-App Purchases
ZettelkastenNote screenshot 1
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This app helps you build a personal knowledge base by capturing and connecting ideas as small, linked cards. It offers intuitive organization, discovery of connections through AI suggestions, and a clean interface. Prioritizing privacy, it operates locally with optional iCloud sync.

Kasten - Zettelkasten Cards#3

Kasten - Zettelkasten Cards by Nakada Kyota

Linked thinking, plain text
Worth Considering
📊 Productivity
5.0(1 ratings)
Free
Kasten - Zettelkasten Cards screenshot 1
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This app helps you build a personal knowledge base by connecting ideas through a unique card-linking system. It uses plain text Markdown files for easy access and organization, allowing your thoughts to grow organically through linked connections.

More Zettelkasten apps to explore

FAQ about Zettelkasten

What are the best zettelkasten apps for iPhone?
Obsidian - Connected Notes tops our zettelkasten apps ranking as of November 2026, with a 4.5-star average from 2.8K App Store ratings, and it's free to download.
Yes — 19 of the top zettelkasten apps we rank are free to download, including Obsidian - Connected Notes and ZettelkastenNote.
Obsidian - Connected Notes has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 250+ zettelkasten apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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