Comparison

Notability vs SquareRootCalculator

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

Head to head
About

Notability

Capture, organize, and enhance your ideas with handwritten notes, document annotation, and audio recording. This app streamlines learning and work by making your notes searchable, shareable, and interactive.

Highlights
  • Handwritten notes and sketching
  • PDF and document annotation
  • Audio recording synced to notes
  • Handwriting recognition
  • AI-powered summaries and takeaways
  • Customizable organization with folders
  • Cross-device sync
Features
Read full description

From your first lecture to your next big meeting, Notability helps you think, learn, and work better. Take handwritten notes, annotate documents, record audio, and stay organized in one place so your ideas are always clear, searchable, and ready when you need them. NEW: NOTABILITY CLASSIC IS BACK Prefer to pay one time for Notability? Our Classic plan is a one-time purchase with no subscription required. FREE DIGITAL NOTES FOR WORK & SCHOOL • Write, type, or sketch with digital ink, highlighters, and text tools. • Mark up anything: PDFs, textbooks, lecture slides, images, and more. • Combine handwriting, typed text, images, diagrams, and sketches on the same page. • Stay organized with customizable folders and subjects that grow with you. FOR PROFESSIONALS: WORK SMARTER AND SAVE TIME • Mark up documents, capture meetings, organize ideas, and present with confidence. • Import and handwrite on any document: PDFs, DOCs, presentations, reports, and more. • Fill out forms in the office or on a job site. • Combine handwriting, text, photos and documents in one place. • Record calls and meetings to transcribe voice in real-time. Audio is synced to your notes so nothing is missed. • Receive automated meeting notes, takeaways, and summaries. • Search handwriting, transcripts, text, and PDFs to quickly revisit decisions and action items. • Present notes, documents, and ideas in full screen, with a laser pointer to guide attention. • View and edit two notes side-by-side to stay focused and productive. • Share a PDF of your note in one tap. FOR STUDENTS: STUDY SMARTER AND ACE EXAMS • Take handwritten notes digitally or annotate lecture slides or your textbooks. • Record lectures and get instant audio transcripts and real-time summaries in your notes. • Audio recordings are synced to the exact moment you write in a note — perfect for lectures. • Import lecture slides, textbook PDFs, and assignments into organized folders and subjects. • Search across handwriting, typed notes, and transcripts to instantly find content from classes. • Study content from your note with personalized quizzes and flashcards to practice with active recall. • Chat with your notes to review concepts, clarify ideas, and prepare for exams. WORK YOUR WAY • Seamlessly switch between handwriting and typing. • Import files instantly and keep everything connected. • Share notes easily to collaborate or get feedback when needed. • Access your notes across iPad, iPhone, Mac, and the web. • Create beautiful notes using templates from the Notability Gallery. UPGRADE TO A NOTABILITY SUBSCRIPTION Notability is free to use. With an upgraded subscription, you can receive: • Unlimited note-taking • AI-powered productivity and study tools • Handwriting recognition and math conversion • Live Audio transcripts • Auto-backup and iCloud sync Download for free on iPad, iPhone, Mac, and web. Privacy Policy: notability.com/privacy Terms of Service: notability.com/terms

About

SquareRootCalculator

This calculator simplifies square root and fraction calculations. It handles complex rationalizations with high precision, preventing digit overflow for long integers. Easily perform basic arithmetic operations with square roots.

Highlights
  • Square root calculation
  • Fraction calculation
  • Four rule calculations
  • Infinite long integer support
  • Rationalization simplification
Features
Read full description

It is a calculator for calculating the square root. It can also be used to calculate fractions. You can easily enter and execute the four rule calculations of square root and square root. Since the infinite multiple-long integer is used I the internal operation, there is no worry that the digits will overflow. Especially easy to carry out rationalization which is said to be difficult to calculate.

Screenshots

Notability4 screens
SquareRootCalculator3 screens

Verdict

The call

The clearest difference is rating: Notability at 4.8 against SquareRootCalculator's 4.2. Notability also leads on ads (none vs shown) and update cadence (weekly vs every 14 months). SquareRootCalculator's advantage is in-app purchases (none vs 10) and iOS requirement (11.0 vs 18.0). On price and device support 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. Notability sells 9 in-app purchases, starting at $5.99 per month. SquareRootCalculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Notability holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Notability has 459K ratings behind it against 37, so its average is the more settled of the two. Written reviews point the same way: 36% of Notability's written reviews are positive against 23% of SquareRootCalculator's.

UpkeepUpdate frequency

Notability ships an update weekly, SquareRootCalculator every 14 months. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.

Scorecard9 real differences · 2 level
Notability versus SquareRootCalculator: the parameters behind the verdict, then further details
ParameterNotabilitySquareRootCalculator
PriceFreeFree
Rating4.8 (459K ratings) — better4.2 (37 ratings)
Positive reviews36.1% of reviews — better23.1% of reviews
Number of ratings459K — better37
Update frequencyWeekly — betterEvery 14 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
Best chart rank#108 — better—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.011.0 — better
Further details — not scored
Size457 MB5 MB
Age rating4+4+
DeveloperGinger LabsJirou Fukuda

Customer experience

Notability

All ratings458,669 ratings
Positive94.8%
Neutral1.3%
Negative3.9%
Written reviews3,783 reviews
Positive36.1%
Neutral8.7%
Negative55.1%

SquareRootCalculator

All ratings34 ratings
Positive79.4%
Neutral5.9%
Negative14.7%
Written reviews13 reviews
Positive23.1%
Neutral23.1%
Negative53.8%

Bugs and requests

Notability

Reported bugs

4 issues
  • Notes disappearing or getting corrupted
  • Frequent crashes and performance issues
  • Palm rejection problems after updates
  • Inconsistent behavior when importing files

Requested features

5 requests
  • Improved folder/hierarchy organization
  • More shape recognition and drawing tools
  • Side-by-side viewing of multiple notes
  • Ability to edit/rename audio recordings
  • Better integration with other apps and services

SquareRootCalculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Notability

Subscriptions9
  • Notability Lite$5.991 Month
  • Notability Plus$7.991 Month
  • Notability Plus$12.993 Months
Show 6 more
  • Notability Lite$14.991 Year
  • Notability Plus1 Year trial2 variants$19.991 Year
  • Notability Plus7 Days trial$19.991 Year
  • Notability Plus$19.991 Year
  • Notability Pro$19.991 Month
  • Notability Pro3 Days trial$99.991 Year
None

SquareRootCalculator

No in-app purchases

Questions

Is Notability free?
Notability is free to download, with in-app purchases available.
Is SquareRootCalculator free?
SquareRootCalculator is free to download, with no in-app purchases.
Which has better reviews, Notability or SquareRootCalculator?
Notability is rated higher. Notability averages 4.8 out of 5 from 459K ratings, while SquareRootCalculator averages 4.2 from 37 ratings.
Do Notability or SquareRootCalculator have ads?
SquareRootCalculator shows ads; Notability does not.
Which is updated more often, Notability or SquareRootCalculator?
Notability ships an update weekly, and SquareRootCalculator every 14 months. Most recently, Notability was updated on November 11, 2026 and SquareRootCalculator on November 6, 2026.

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