Notability vs SquareRootCalculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- Square root calculation
- Fraction calculation
- Four rule calculations
- Infinite long integer support
- Rationalization simplification
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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
Verdict
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
Both are free to download. Notability sells 9 in-app purchases, starting at $5.99 per month. SquareRootCalculator asks for nothing beyond the download.
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.
Notability ships an update weekly, SquareRootCalculator every 14 months. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.
| Parameter | Notability | SquareRootCalculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (459K ratings) — better | 4.2 (37 ratings) |
| Positive reviews | 36.1% of reviews — better | 23.1% of reviews |
| Number of ratings | 459K — better | 37 |
| Update frequency | Weekly — better | Every 14 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Best chart rank | #108 — better | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 18.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 457 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Ginger Labs | Jirou Fukuda |
Customer experience
Notability
SquareRootCalculator
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
Notability
- Notability Lite$5.991 Month
- Notability Plus$7.991 Month
- Notability Plus$12.993 Months
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- 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
SquareRootCalculator
No in-app purchases
Questions
Is Notability free?
Is SquareRootCalculator free?
Which has better reviews, Notability or SquareRootCalculator?
Do Notability or SquareRootCalculator have ads?
Which is updated more often, Notability or SquareRootCalculator?
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