Comparison

Defter Notes vs AI Productivity OS

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

Head to head
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. Organize thoughts with flexible tools and intuitive navigation for enhanced creativity and productivity.

Highlights
  • Infinite canvas for spatial thinking
  • Handwritten notes, sketches, and typed text
  • Connect and layer ideas
  • Organize with Stacks
  • Deft movement with gestures
  • Cross-reference and multitask documents
  • Supports links and files
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

About

AI Productivity OS

Read full description

AI Productivity OS is your AI-powered life and productivity operating system. Built for ambitious people who want structure, clarity, and momentum every single day. Designed to help you: • Stay organized with simple planning • Focus on what matters most • Build better habits consistently • Reduce stress and decision fatigue • Create a daily system that actually works Key features: AI Planning Assistance Get smarter structure for your day in seconds. Tasks + Goal Execution Break down what you need to do and move forward with clarity. Habit Tracking That Feels Easy Build momentum with a clean, motivating workflow. Minimal & Premium Design Futuristic, clean, and distraction-free—made for deep focus. Built for real life Work, study, personal growth, fitness, and routines—all in one place. Whether you're a student, entrepreneur, or professional—AI Productivity OS helps you stay consistent, focused, and in control. PREMIUM SUBSCRIPTION • AI Productivity OS Premium: $4.99/month • Payment will be charged to your Apple ID account at confirmation of purchase • Subscription automatically renews unless canceled at least 24 hours before the end of the current period • You can manage and cancel subscriptions in your Apple ID Account Settings Terms of Use: https://shuhratjon1010.github.io/ailifeos-support/terms.html Privacy Policy: https://shuhratjon1010.github.io/ailifeos-support/privacy.html

Screenshots

Defter Notes4 screens
AI Productivity OS4 screens

Verdict

The call

Defter Notes and AI Productivity OS are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Defter Notes sells 7 in-app purchases, starting at $2.99 per month and AI Productivity OS sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Defter Notes versus AI Productivity OS: the parameters behind the verdict, then further details
ParameterDefter NotesAI Productivity OS
PriceFreeFree
Rating4.4 (75 ratings) — better—
Positive reviews75.3% of reviews—
Number of ratings75 — better—
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.016.0 — better
Further details — not scored
Size59 MB1 MB
Age rating4+4+
DeveloperDeft Works ApSDaler Soliev

In-app purchases

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
1 purchases

AI Productivity OS

Subscriptions1
  • Premium Upgrade$4.991 Month

Questions

Is Defter Notes free?
Defter Notes is free to download, with in-app purchases available.
Is AI Productivity OS free?
AI Productivity OS is free to download, with in-app purchases available.
Do Defter Notes or AI Productivity OS have ads?
Neither Defter Notes nor AI Productivity OS shows ads.

Other comparisons