Comparison

Chaos | Capture vs Ki

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

Head to head
About

Chaos | Capture

Capture and organize your thoughts with AI assistance. This app uses intelligent agents to tag topics, categorize information, and connect ideas, helping you understand your thinking patterns. It resurfaces relevant past thoughts precisely when you need them.

Highlights
  • AI-powered thought capture
  • Automatic tagging and categorization
  • Intelligent idea connection
  • Resurfaces past thoughts
  • Understanding thinking patterns
Features
Read full description

Capture your thoughts before they are lost forever, and let AI capture and enrich them, connecting dots that you missed and resurfacing old thoughts exactly when you need them. Everything is kept organized using AI agents that tag topics and provide classification and categorization data to help you better understand your mind and thinking patterns https://www.chaosintelligenceinc.com/terms-of-service

About

Ki

Capture, organize, and connect all your learning in one place. This app allows you to save notes, links, code snippets, and ideas, then link them together to build a web of knowledge. Find anything fast with full-text search and visual knowledge graphs.

Highlights
  • Capture notes, links, quotes, code snippets, and ideas
  • Organize with color-coded tags and custom topics
  • Connect notes with bidirectional linking
  • Visualize knowledge with interactive graphs
  • Full-text search and saved searches
  • Quick capture via floating button and widgets
  • Review workflow for managing notes
Features
Read full description

Ki-note is your personal knowledge base. Capture, organize, and connect everything you learn — all in one place. CAPTURE EVERYTHING • Notes, links, quotes, code snippets, ideas, and references • Quick capture with a floating + button from anywhere in the app • Save source URLs and titles for web content. You can share links from Safari to Ki-note! • Tag code snippets with their programming language (Swift, Python, JavaScript, TypeScript, Go, Rust) • You can insert notes, text, links, into Ki-notes using the Share functionality • You can insert notes using voice in the Control Center widget or using a shortcut with Siri ORGANIZE YOUR WAY • Tags — color-coded labels to categorize your notes • Topics — group related notes under a single theme with custom icons • Smart Collections — automatic filters like Inbox, Favorites, Reading Queue, Unreviewed, Quotes, Ideas, Links, Untagged, and Unlinked • Configurable Quick Access dashboard on the home screen • Pin, favorite, and archive notes • Review workflow — track notes from Inbox → Unreviewed → Reviewing → Reviewed CONNECT YOUR KNOWLEDGE • Link notes together to build a web of ideas • Bidirectional linking — see which notes link to and from each note • Interactive Knowledge Graph — visualize all your notes and their connections • Customizable graph settings for colors, forces, and display options FIND ANYTHING FAST • Full-text search across all notes • Save frequently used searches for quick access • Browse by tags and topics • Filter by note type, status, or collection BUILT FOR YOU • 100% free — no ads, no subscriptions, all features unlocked • Local-first — your data stays on your device with SwiftData • Localized in 6 languages: English, Spanish, French, German, Italian, and Portuguese • Light and dark mode with customizable themes • Optional one-time tip to support development Ki-note is designed for students, researchers, developers, writers, and anyone who wants to build a personal knowledge base that grows with them.

Screenshots

Chaos | Capture4 screens
Ki4 screens

Verdict

The call

The clearest difference is monetization model: Ki at free against Chaos | Capture's free with in-app purchases. Ki also leads on update cadence (every 2 days vs weekly). Chaos | Capture's advantage is iOS requirement (15.1 vs 18.6). On price, rating, ratings volume and ads 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. Chaos | Capture sells 3 in-app purchases, starting at $3.99 per 7 days and Ki sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Chaos | Capture against 5.0 for Ki. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Chaos | Capture ships an update weekly, Ki every 2 days. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 7 level
Chaos | Capture versus Ki: the parameters behind the verdict, then further details
ParameterChaos | CaptureKi
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequencyWeeklyEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.6
Further details — not scored
Size109 MB4 MB
Age rating9+4+
DeveloperChaos Intelligence LLCJuan Casanueva

Customer experience

Chaos | Capture

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Ki

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Chaos | Capture

Subscriptions3
  • Weekly Plan$3.997 Days
  • Monthly Plan$12.991 Month
  • Yearly Plan$99.991 Year
1 purchases

Ki

One-time1
  • Buy me a coffee$0.99

Questions

Is Chaos | Capture free?
Chaos | Capture is free to download, with in-app purchases available.
Is Ki free?
Ki is free to download, with in-app purchases available.
Which has better reviews, Chaos | Capture or Ki?
Chaos | Capture and Ki are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Chaos | Capture or Ki have ads?
Neither Chaos | Capture nor Ki shows ads.
Which is updated more often, Chaos | Capture or Ki?
Chaos | Capture ships an update weekly, and Ki every 2 days. Most recently, Chaos | Capture was updated on October 16, 2026 and Ki on October 18, 2026.

Other comparisons