Comparison

Corkulous AI vs Defter Notes

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

Head to head
About

Corkulous AI

Organize and share your ideas naturally on digital corkboards. Collect notes, photos, links, and tasks, then visually connect them. Supports multiple boards, sketching, and cloud syncing for seamless idea management across devices.

Highlights
  • Digital corkboards for idea collection
  • Support for notes, photos, links, and tasks
  • Visual connections and grouping of ideas
  • Sketch tools with gesture support
  • iCloud and Dropbox syncing
  • Export and share in multiple formats
  • Nested boards and templates
Features
Read full description

Corkulous is the visual board app for iPhone, iPad, and Mac. Capture ideas, plan projects, collect research, and organize everything on flexible boards that feel natural to use. USE CORKULOUS FOR Mind maps, project planning, flowcharts, study boards, writing boards, photo boards, vision boards, lesson plans, task boards, and more. BUILD RICH BOARDS - Add notes, index cards, labels, tasks, photos, videos, audio, PDFs, files, contacts, emoji, link previews, arrows, strings, connector lines, and 40+ shapes - Sketch with gesture-based shape and line recognition - Use nested boards, templates, collections, and a bundled library of example boards - Work on large canvases with pan, zoom, drag and drop, snapping, and keyboard shortcuts POWERFUL TOOLS - Markdown text formatting - Fast search across boards and content - Light and dark mode - Multiwindow support on iPad and Mac - Designed for iPhone Duo: unfold to spread your boards across the large inner display - Biometrics for locking boards and content - Export to PDF, PNG, text, HTML, Web Archive, and Corkulous files - Sync with iCloud and Dropbox across devices AI FEATURES - Generate complete boards from a prompt - Chat with the Agent to add, organize, and refine content on a board - Create AI images, narration audio, videos, and music depending on your AI mode and provider - Use web-enhanced AI for current information - On Mac, generate boards from the command line AI ACCESS AND CREDITS AI features are available in two ways: - Credits: buy credits in the app and use AI with no API setup - Provider Mode: use your own supported API keys for more control and model choice Credits are purchased separately and are consumed by AI features such as board generation, Agent chat, AI media generation, and web-enhanced AI. SUBSCRIPTION Corkulous subscription is cross platform. Use the same subscription on iPhone, iPad, and Mac, then tap Restore Purchase on another device. Your subscription will be charged to your Apple Account at confirmation of purchase. It renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage and cancel subscriptions in App Store Account Settings. Website: https://www.corkulous.com/ Privacy Policy: https://www.corkulous.com/privacy-policy Terms & Conditions: https://www.corkulous.com/terms

About

Defter Notes

This app provides an infinite canvas for spatial thinking, allowing users to capture, connect, and explore ideas through handwriting, drawing, and text. It adapts to various creative processes, offering fluid editing and intuitive navigation for deep work and complex projects.

Highlights
  • Infinite canvas for spatial thinking
  • Handwriting, drawing, and text input
  • Connect and link ideas
  • Stacks for deep work
  • Fluid editing with gestures
  • Supports PDFs, images, and links
Features
Read full description

Defter Notes is loved by academics, students, teachers, researchers, journal keepers, knowledge workers, designers, architects, engineers, writers, and anyone who thinks best with their hands and eyes.  It’s built for people who see ideas as living things: connected, evolving, and worth exploring. Think without boundaries Defter Notes gives you an infinite canvas for spatial thinking. Drop ideas anywhere. Draw connections. Expand as far as your thoughts take you. Enjoy pure creative flow. Capture ideas your way Whether it starts as a quick sketch, a handwritten note, or a PDF you’re diving into, Defter Notes adapts to your process. Write, draw, or type; then move, link, and layer it all together. Your ideas stay flexible and alive. Work the way your brain works Move items freely. Zoom in and out of context. Build hierarchies of Spaces that let you go deeper into your projects. Defter Notes stays out of the way so your focus stays on thinking. Top features * Stacks for deep work: Ideal for reading, studying, or comparing multiple resources. * Deft movement with gestures: Drag pages or extract text directly out of PDFs. * Cross-reference and multitask: View, resize, and reorder documents side by side. * Handwriting and text tools: Combine pen, pencil, marker, and text boxes using Apple Pencil or Scribble. * Fluid editing: Double-tap any item to edit or share. * Intuitive navigation: Use the mini-map, navigation bar, gestures, and select tool to move effortlessly through infinite spaces. * Supports links and files: Drop in PDFs, images, URLs, and attachments right onto your canvas. Join the community: https://discord.com/invite/GjS5tJSmBW Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://www.defternotes.com/touprivacypolicy https://defternotes.com

Screenshots

Corkulous AI4 screens
Defter Notes4 screens

Verdict

The call

The clearest difference is monetization model: Defter Notes at free with in-app purchases against Corkulous AI's subscription. Defter Notes also leads on update cadence (fortnightly vs every 3 months) and review sentiment (76% vs 60%). Corkulous AI's advantage is ratings volume (989 vs 75). On price, rating, ads 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. Corkulous AI sells 7 in-app purchases, starting at $4.99 per month and Defter Notes sells 7 in-app purchases, starting at $2.99 per month. 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 — 4.4 for Corkulous AI against 4.4 for Defter Notes. That said, the two scores are not equally well evidenced: Corkulous AI has 989 ratings behind it against 75, so its average is the more settled of the two. Written reviews are what separate them: 60% of Corkulous AI's written reviews are positive against 76% of Defter Notes's.

UpkeepUpdate frequency

Corkulous AI ships an update every 3 months, Defter Notes fortnightly. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Corkulous AI versus Defter Notes: the parameters behind the verdict, then further details
ParameterCorkulous AIDefter Notes
PriceFreeFree
Rating4.4 (989 ratings)4.4 (75 ratings)
Positive reviews60.3% of reviews75.6% of reviews — better
Number of ratings989 — better75
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size342 MB59 MB
Age rating4+4+
DeveloperCorked Labs, LLCDeft Works ApS

Customer experience

Corkulous AI

All ratings989 ratings
Positive86.2%
Neutral5.2%
Negative8.6%
Written reviews267 reviews
Positive60.3%
Neutral10.1%
Negative29.6%

Defter Notes

All ratings75 ratings
Positive84.0%
Neutral4.0%
Negative12.0%
Written reviews82 reviews
Positive75.6%
Neutral11.0%
Negative13.4%

Bugs and requests

Corkulous AI

Reported bugs

5 issues
  • Boards not opening
  • Boards not syncing across devices
  • Text disappearing from sticky notes
  • Frequent crashes
  • Compatibility issues with newer iOS versions

Requested features

6 requests
  • Allow drawing directly on board
  • Increase canvas size
  • Add ability to change default font
  • Improve syncing and file sharing
  • Add desktop version
Show 1 more
  • Improve UI and visual design

Defter Notes

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Corkulous AI

Subscriptions2
  • Corkulous Monthly$4.991 Month
  • Corkulous Yearly$29.991 Year
One-time5
  • 600 AI Credits$9.99
  • 1200 AI Credits$19.99
  • 1800 AI Credits$29.99
Show 2 more
  • 2400 AI Credits$39.99
  • Lifetime Subscription$79.99
7 purchases

Defter Notes

Subscriptions5
  • Monthly Plan$2.991 Month
  • Mini Supporter$2.991 Month
  • Supporter$7.991 Month
Show 2 more
  • Yearly Plan$17.991 Year
  • Big Supporter$29.991 Month
One-time2
  • Lifetime Access - Welcome Offer$29.99
  • Lifetime Access$39.99

Questions

Is Corkulous AI free?
Corkulous AI is free to download, with in-app purchases available.
Is Defter Notes free?
Defter Notes is free to download, with in-app purchases available.
Which has better reviews, Corkulous AI or Defter Notes?
Corkulous AI and Defter Notes are both rated 4.4 out of 5 on the App Store, from 989 and 75 ratings respectively.
Do Corkulous AI or Defter Notes have ads?
Neither Corkulous AI nor Defter Notes shows ads.
Which is updated more often, Corkulous AI or Defter Notes?
Corkulous AI ships an update every 3 months, and Defter Notes fortnightly. Most recently, Corkulous AI was updated on November 11, 2026 and Defter Notes on November 3, 2026.

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