Comparison

MyScript Calculator 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

MyScript Calculator

This app transforms your device into an interactive notepad for calculations. Simply write your math problems by hand, and it instantly provides results. Edit calculations with gestures, reuse past results, and export your work.

Highlights
  • Write calculations naturally
  • Edit with gestures
  • Drag and drop results
  • Copy and export calculations
  • Fraction display options
  • Multi-line calculations
  • Memory and history functions
Features
Read full description

The new MyScript© Calculator 2 makes daily math fun and easy! Calculator 2 turns your device into an interactive piece of paper. Simply write a calculation and it gets you the result in real time. Develop it further with editing gestures or by adding new elements anywhere. Reuse previous results with drag and drop. Calculator 2 interprets everything you do on the fly. Calculator 2 is based on MyScript Interactive Ink®, the next step for digital ink. It is the successor of the award-winning first handwriting calculator. BENEFITS AND FEATURES · Write calculations in an intuitive and natural way without a keyboard. · Erase easily by using scratch-out gestures to remove symbols and numbers. · Drag and drop numbers from and to the canvas, the memory bar or to an external app. · Copy your results to the clipboard or export them to other apps. · Fractions: Display results using decimals, fractions or mixed numbers. · Multi-line: Continue the same calculation on the next line or write several calculations on multiple lines. · Memory: Save results into memory. Reuse them anytime in your calculations. · History: Retrieve all your past calculations to reuse or export. SUPPORTED OPERATORS · Basic operations: +, -, ×, ÷, /, ·, : · Powers, roots, exponentials: 7², √, ∛, e³ · Miscellaneous operations: %, |5|, 3! · Brackets: ( ) · Trigonometry: sin, cos, tan, cot, cosh, sinh, tanh, coth · Inverse trigonometry: asin, acos, atan, acot, arcsin, arccos, arctan, arccot, acosh, asinh, atanh, acoth, arcosh, arsinh, artanh, arcoth · Logarithms: ln, log · Constants: π, e, phi

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

Screenshots

MyScript Calculator4 screens
Defter Notes4 screens

Verdict

The call

The clearest difference is price: Defter Notes at Free against MyScript Calculator's $2.99. MyScript Calculator's advantage is in-app purchases (none vs 7) and ratings volume (1.5K vs 75). On rating, review sentiment, update cadence 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

Defter Notes is free to download; MyScript Calculator costs $2.99 up front. Defter Notes sells 7 in-app purchases, starting at $2.99 per month. MyScript Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for MyScript Calculator against 4.4 for Defter Notes. That said, the two scores are not equally well evidenced: MyScript Calculator has 1.5K ratings behind it against 75, so its average is the more settled of the two. Written reviews split almost evenly too, at 75% and 75% positive.

UpkeepUpdate frequency

MyScript Calculator ships an update every 3 weeks, Defter Notes every 2 weeks. The most recent releases landed on October 1, 2026 and September 19, 2026 respectively.

Scorecard6 real differences · 5 level
MyScript Calculator versus Defter Notes: the parameters behind the verdict, then further details
ParameterMyScript CalculatorDefter Notes
Price$2.99Free — better
Rating4.5 (1.5K ratings) — better4.4 (75 ratings)
Positive reviews74.7% of reviews75.3% of reviews — better
Number of ratings1.5K — better75
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#162 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size14 MB59 MB
Age rating4+4+
DeveloperMyScriptDeft Works ApS

Customer experience

MyScript Calculator

All ratings1,508 ratings
Positive88.7%
Neutral3.5%
Negative7.8%
Written reviews538 reviews
Positive74.7%
Neutral9.1%
Negative16.2%

Defter Notes

All ratings75 ratings
Positive84.0%
Neutral4.0%
Negative12.0%
Written reviews81 reviews
Positive75.3%
Neutral11.1%
Negative13.6%

Bugs and requests

MyScript Calculator

Reported bugs

3 issues
  • Incorrect calculation results for certain inputs
  • Difficulty editing or correcting written expressions
  • Inconsistent behavior when using the Apple Pencil

Requested features

5 requests
  • Add support for variables, equations, and advanced math functions
  • Improve recognition of symbols, operators, and handwriting
  • Increase writing space and allow scrolling/zooming
  • Provide more customization options (e.g., font size, pen thickness)
  • Integrate with other productivity apps (e.g., Notes, Nebo)

Defter Notes

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

MyScript Calculator

No 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

Questions

Is MyScript Calculator free?
MyScript Calculator costs $2.99, with no in-app purchases.
Is Defter Notes free?
Defter Notes is free to download, with in-app purchases available.
Which has better reviews, MyScript Calculator or Defter Notes?
MyScript Calculator is rated higher. MyScript Calculator averages 4.5 out of 5 from 1.5K ratings, while Defter Notes averages 4.4 from 75 ratings.
Do MyScript Calculator or Defter Notes have ads?
Neither MyScript Calculator nor Defter Notes shows ads.
Which is updated more often, MyScript Calculator or Defter Notes?
MyScript Calculator ships an update every 3 weeks, and Defter Notes every 2 weeks. Most recently, MyScript Calculator was updated on October 1, 2026 and Defter Notes on September 19, 2026.

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