# Notability vs SquareRootCalculator

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.

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.

## The numbers

| Metric | Notability | SquareRootCalculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (459K ratings)](https://appshunter.io/ios/app/notability-ai-notes-and-pdf/id360593530/reviews)** | [4.2 (37 ratings)](https://appshunter.io/ios/app/squarerootcalculator/id1260411892/reviews) |
| Number of ratings | **459K** | 37 |
| Positive reviews | **36.1% of reviews** | 23.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 14 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#110** | — |
| Size | 457 MB | 5 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ginger Labs](https://appshunter.io/developer/318126112) | [Jirou Fukuda](https://appshunter.io/developer/689603483) |

## What reviewers say

### Notability

[App page](https://appshunter.io/ios/app/notability-ai-notes-and-pdf/id360593530)

**Currently charting:** #110 Top Grossing · Productivity, #180 Top Free · Productivity (US App Store)

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:** Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notability Lite | $5.99 | per month |
| Notability Plus | $7.99 | per month |
| Notability Plus | $12.99 | per 3 months |
| Notability Lite | $14.99 | per year |
| Notability Plus | $19.99 | per year |
| Notability Plus | $19.99 | per year |
| Notability Plus | $19.99 | per year |
| Notability Pro | $19.99 | per month |
| Notability Pro | $99.99 | per year |

**What reviewers like**

- 🚀 Great app for note-taking
- 👍 Smooth handwriting experience
- 📝 Excellent organization and file management
- 🎙️ Useful audio recording feature
- 🔍 Handwriting recognition and search

**What reviewers complain about**

- 🐛 Sync issues with iCloud
- 🔍 Limited search and organization options
- 🖍️ Frustrating highlighter behavior
- 🔒 Concerns about subscription model
- 🔧 Buggy after recent updates

**Reported bugs**

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

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/squarerootcalculator/id1260411892)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*