Comparison

InkThink vs PenDate Notes

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

Head to head
About

InkThink

This stylus-first planner allows you to organize your thoughts using handwriting. It integrates a diary, calendar, tasks, mind maps, and notes into a fluid, pen-powered canvas. Experience intelligent ink reflow for seamless task and calendar management.

Highlights
  • Stylus-first handwriting input
  • Intelligent ink reflow
  • Integrated diary, calendar, tasks, mind maps, notes
  • Interactive calendar entries
  • Freeform thinking canvas
  • Modular and intuitive design
Features
Read full description

InkThink – Pen Powered Productivity for Creative Minds. 7 Day Free Trial. InkThink is the stylus-first planner that works in your handwriting. - Own it Forever, No Subscription offer - Intelligent ink reflow - tasks/calendar items flow into different views - All in one - Diary, Calendar, Tasks, Mind Maps, Notes - Works with Apple pencil ONE-TIME PURCHASE OFFER: Get Pro Subscription FREE with One-Time Base App Purchase if purchased within 7 day Free Trial. Own it Forever, No Subscription! Act Fast! InkThink is a groundbreaking stylus-first productivity suite designed for thinkers, creators, and note-takers who prefer ink over taps. Whether you're sketching out your day, brainstorming ideas, or building a visual mind map, InkThink gives you a fluid, pen-powered canvas to organize your thoughts your way. In the world of AI, allow your mind to take back control and enjoy the art of thinking and writing again! InkThink is a quantum leap over traditional 'Pen Planner' apps where you just draw over a PDF, or even traditional pen enabled notebooks with templates. InkThink features unique intelligent ink where handwritten tasks can be re-ordered, handwritten calendar entries are date aware and actually show across your different Calendar views (Day, Week, Month - no longer just simply inking over a date box in a PDF and which don't show on other views. InkThink is what you have been waiting for from an intelligent ink-based diary and planner app - a true pen powered To-Do list and handwritten Calendar. Ink Tasks Draw your to-do list with your stylus in long ink blocks. Easily add, rearrange, and manage tasks in a tactile, visual format. The bottom of the screen becomes your ink input zone — just write and watch your tasks flow into place. Pro features include Kanban views, Tag filtering and seeing tasks on your calendar. Notes Capture individual ideas in real time — during meetings, while watching videos, reading, journaling or listening to audio. Notes lets you jot down key points in ink and save them as “thinking sessions” notes. Capture ‘sub-notes’ within each Note for simpler organization - e.g. create a note for each book chapter and your sub-notes for each chapter are your notes for that specific chapter. Ink Calendar Draw directly into your calendar. Each inked date can be seen across different layouts - Day, Week and Month. It’s not just handwriting — it’s interactive ink. Pro features include 3 Day, 3 Week and 3 Month views, and split-screen mode. Thinking Canvas Create movable ink index cards on a freeform canvas. Sketch, connect, and rearrange your thoughts like sticky notes on a whiteboard — but smarter and stylus-native. Capture you brainstorm and mind map your ideas. Connect cards and visualize your thinking. InkThink is modular, intuitive, and built for the future of stylus powered creative productivity. No typing. No distractions. Just your pen, your ideas, and an app that connects and thinks with you. Built for Apple pencil stylus tablets and devices. InkThink transforms handwriting into a dynamic, movable, and meaningful workspace. InkThink available on all platforms and can sync between. 7 Day Free Trial - No Sign Up needed. Can work fully offline. Base App (One Time Purchase): All core features including Tasks, Calendar, Notes and Canvas. Sync. Can use on all devices. Pro Features (Optional Subscription): Filter by Task Label, Add Due Dates, Mindfulness Task Mode, View Tasks with Due Dates on Calendar, 3 day/week/month views, split-screen. InkThink : To-Do, Notes, Calendar, MindMap Planner designed for Pen Stylus. The best app for a pen. Take back control with your mind and your pen! When logging in our EULA Terms of Use (Terms of Service) apply as available on our website. https://inkthink.app/terms-of-service

About

PenDate Notes

Features
Read full description

PenDate Notes is a calendar-first notes and planning app for keeping your days, reminders, events, checklists, and handwritten ideas in one organized workspace. Start from the calendar when you are planning your week, open a day when you need detail, or jump into folders when a project grows. PenDate Notes supports text notes, checklist notes, canvas notes, reminders, calendar events, PDF/image export, and optional Google Drive sync. Main features: • Calendar views for year, month, week, and day planning • Text notes for quick writing and structured plans • Checklist notes with quantities and totals • Canvas notes for handwriting, sketches, and visual planning • Date-linked reminders and events • Folders and covers to keep notes easy to scan • PDF and image export for sharing or saving your work • Recycle Bin for restoring deleted notes • Optional Google Drive sync for backup and continuity PenDate Notes is built for people who think through dates: students, professionals, families, creators, and anyone who wants notes to stay connected to the day they matter. Use it offline for everyday planning, then enable reminders or sync only when you need them. Optional paid features PenDate Pro includes all 11 planner families, Signature stickers and covers, selected-page PDF export with planner layouts, and PenDate library restore. Choose a monthly or yearly auto-renewable subscription, or a one-time Lifetime purchase. Individual planner families and Signature packs are also available as one-time purchases. Everyday note-taking remains free. Subscription prices and billing periods are shown in the app before purchase. Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Your account is charged for renewal within 24 hours before that period ends. Manage or cancel subscriptions in your App Store account settings. Canceling renewal keeps access until the end of the paid period. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://pendatenotes.com/privacy-policy.html

Screenshots

InkThink3 screens
PenDate Notes4 screens

Verdict

The call

The clearest difference is in-app purchases: PenDate Notes at none against InkThink's 1. InkThink's advantage is update cadence (every 2 days vs monthly). On price, 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

Both are free to download. InkThink sells 1 one-off in-app purchase. PenDate Notes asks for nothing beyond the download.

UpkeepUpdate frequency

InkThink ships an update every 2 days, PenDate Notes monthly. The most recent releases landed on September 20, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 7 level
InkThink versus PenDate Notes: the parameters behind the verdict, then further details
ParameterInkThinkPenDate Notes
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 days — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size212 MB156 MB
Age rating4+4+
DeveloperSundaram Applied TechnologiesSAMUEL NANA ESHUN

In-app purchases

1 purchases

InkThink

One-time1
  • InkThink Base App$24.99
None

PenDate Notes

No in-app purchases

Questions

Is InkThink free?
InkThink is free to download, with in-app purchases available.
Is PenDate Notes free?
PenDate Notes is free to download, with no in-app purchases.
Do InkThink or PenDate Notes have ads?
Neither InkThink nor PenDate Notes shows ads.
Which is updated more often, InkThink or PenDate Notes?
InkThink ships an update every 2 days, and PenDate Notes monthly. Most recently, InkThink was updated on September 20, 2026 and PenDate Notes on October 1, 2026.

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