Comparison

SlipBox vs Zettelkasten

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

Head to head
About

SlipBox

This app helps you build a structured web of knowledge using the Zettelkasten method. Its minimalist design and continuous scrolling interface encourage active recall and pattern recognition for deep cognitive work. Your notes are stored locally for privacy.

Highlights
  • Continuous scroll interface
  • Zettelkasten method implementation
  • Intentional tagging system
  • Minimalist design
  • Privacy-first, local storage
Features
Read full description

Stop burying your ideas in digital graveyards and start building a structured web of knowledge with the original Zettelkasten method. SlipBox is a minimalist note-taking tool designed for those who value intentionality over automation. By digitizing Niklas Luhmann’s legendary paper-and-pen system, SlipBox replaces complex folders and confusing backlinks with a unique, continuous scrolling interface. This design forces you to physically move through your ideas, facilitating the active recall and spontaneous pattern recognition necessary for deep cognitive work. Key Features for Your Second Brain: Continuous Scroll Interface View your notes in a single, fluid stream to rediscover forgotten insights and spark new ideas. The Luhmann Workflow A digital implementation of the Zettelkasten method that respects the principle of atomicity (one idea per card). Intentional Tagging Organize notes manually to build deep mental maps and avoid the "out of sight, out of mind" trap of folders. Minimalist Design No steep learning curves or bloated features, just you and your knowledge. Privacy-First & Local Your data stays on your device, ensuring your private thoughts remain truly private. Build a knowledge system that grows with you. Turn your fleeting notes into a structured, permanent repository of thought with SlipBox.

About

Zettelkasten

Features
Read full description

Stop losing ideas in a pile of disconnected notes. NoteOrbit is a linked-notes app that turns everything you write into a living knowledge graph — every note becomes a node you can see, connect, and explore. Most note apps bury your thinking in folders. NoteOrbit does the opposite: type a note, drop a [[wiki-link]] to any other note, and the connection is built for you — both ways. Open any note and you instantly see what references it. Then step back and watch your ideas orbit as a glowing constellation you can pan, zoom, and tap to follow the thread. WHAT YOU GET - Write a note, add a [[wiki-link]], and NoteOrbit autocompletes titles and wires up the connection for you - Automatic backlinks so every note shows exactly what links to it — context folders can never give you - An interactive orbit graph that lays out your notes by how they actually connect - Instant tags with #hashtags to slice your notes any way you think - Hubs and orphans finder that surfaces your most-connected ideas and the notes hanging loose - Full-text search across every note, title, and link PERFECT FOR - Students and researchers building study and reference notes that reinforce each other - Writers and thinkers growing a personal knowledge base or second brain - Zettelkasten and PKM fans who want backlinks without a heavy desktop setup - Anyone journaling ideas and projects who wants to rediscover old connections WHY NOT JUST USE FOLDERS Folders force every note into one place and hide how your ideas relate. NoteOrbit lets a note live in as many contexts as it links to, then draws the map for you — so the connection you made months ago is one tap away, not lost three folders deep. PRIVACY Everything stays on your device. No account, no sign-in, no ads, no tracking. Your notes never leave your phone. FULL ACCESS NoteOrbit Premium unlocks the full experience: unlimited notes and connections, the complete interactive orbit graph, hubs, tags and the orphan finder, plus Markdown export to take your notes anywhere. Choose the plan that fits: - Weekly - Yearly - Lifetime (one-time purchase) Open NoteOrbit, write your first note, and link it — watch your thinking take shape. Terms of Use (EULA): https://web-levi.web.app/terms Privacy Policy: https://web-levi.web.app/privacy-policy Questions? tphuc.work@gmail.com

Screenshots

SlipBox4 screens
Zettelkasten4 screens

Verdict

The call

The clearest difference is price: Zettelkasten at Free against SlipBox's $0.99. SlipBox's advantage is in-app purchases (none vs 2). On update cadence, 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

Zettelkasten is free to download; SlipBox costs $0.99 up front. Zettelkasten sells 2 in-app purchases, starting at $9.99 per 7 days. SlipBox asks for nothing beyond the download.

UpkeepUpdate frequency

SlipBox ships an update every 3 weeks, Zettelkasten monthly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 8 level
SlipBox versus Zettelkasten: the parameters behind the verdict, then further details
ParameterSlipBoxZettelkasten
Price$0.99Free — better
Rating3.3 (3 ratings) — better—
Positive reviews90.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.217.0 — better
Further details — not scored
Size8 MB6 MB
Age rating4+4+
DeveloperOzlem AKBUDAKPhuc Pham

In-app purchases

None

SlipBox

No in-app purchases

2 purchases

Zettelkasten

Subscriptions2
  • Weekly$9.997 Days
  • Yearly3 Days trial$49.991 Year

Questions

Is SlipBox free?
SlipBox costs $0.99, with no in-app purchases.
Is Zettelkasten free?
Zettelkasten is free to download, with in-app purchases available.
Do SlipBox or Zettelkasten have ads?
Neither SlipBox nor Zettelkasten shows ads.
Which is updated more often, SlipBox or Zettelkasten?
SlipBox ships an update every 3 weeks, and Zettelkasten monthly. Most recently, SlipBox was updated on October 7, 2026 and Zettelkasten on October 10, 2026.

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