Feenote vs SquareRootCalculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Feenote
Capture ideas, inspiration, and creativity with a simple yet powerful note-taking application. Supports handwriting with styluses or fingers, image insertion, and sharing options. Protect your notes with a passcode.
- Handwriting with Apple Pencil or stylus
- Customizable pen color, thickness, and style
- Add images to notes
- App security passcode
- Share notes to friends or social media
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Welcome to Feenote, a powerful yet very simple note-taking software. Since its launch in 2014, it has more than 8 million users. Feenote can help you simplify your work, study and life; Notes is just the beginning, use Feenote to capture ideas, find inspiration and unleash your creativity. Key Features • Write with the Apple Pencil or with many capacitive styluses and even your finger. • Select and customize your pen color,thickness,and style. • Protect your work with an app security passcode. • You can add some images to your note. • Send it to your friends or publish in social networks. ------------ Pro Pack Subscription Conditions: • Your subscription lasts 3 month, or 1 year, depending on the subscription level chosen at the time of purchase. • You will be charged $3.99 for 3 month , $7.99 for 1 year , depending on the subscription level chosen at the time of purchase. • Payment will be charged to your iTunes Account at confirmation of purchase. • Your subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current subscription. • Your account will be charged for a renewed subscription within 24 hours prior to the end of current subscription. You will be charged $3.99 for 3 month or $7.99 for 1 year, depending on your subscription level. • You can manage your subscription and switch off the auto-renewal by accessing your account settings after purchase. • You cannot cancel the current subscription during the active subscription period. Privacy Policy: https://kkmop.com/privatePolicyFnEN Terms of use: https://kkmop.com/privateUserFnEN By using this app, you agree to Apple’s Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ [Contact us] We look forward to receiving your feedback. You can contact us via email :feenote@outlook.com
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 review sentiment: Feenote at 91% against SquareRootCalculator's 23%. Feenote also leads on rating (4.8 vs 4.3) and ads (none vs shown). SquareRootCalculator's advantage is in-app purchases (none vs 6) and iOS requirement (11.0 vs 15.0). 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. Feenote sells 6 in-app purchases, starting at $4.99 per 3 months. SquareRootCalculator asks for nothing beyond the download.
Feenote holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Feenote has 2.1K ratings behind it against 34, so its average is the more settled of the two. Written reviews point the same way: 91% of Feenote's written reviews are positive against 23% of SquareRootCalculator's.
Feenote ships an update weekly, SquareRootCalculator every 14 months. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.
| Parameter | Feenote | SquareRootCalculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (2.1K ratings) — better | 4.3 (34 ratings) |
| Positive reviews | 90.9% of reviews — better | 23.1% of reviews |
| Number of ratings | 2.1K — better | 34 |
| Update frequency | Weekly — better | Every 14 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 110 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | 惠明 劳 | Jirou Fukuda |
Customer experience
Feenote
SquareRootCalculator
Bugs and requests
Feenote
Reported bugs
3 issues- Handwriting recognition issues
- Compatibility problems with certain devices
- Unexpected crashes or freezes
Requested features
4 requests- More handwriting options
- Ability to add images/drawings
- Offline access
- Backup/sync capabilities
SquareRootCalculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Feenote
- 3 Months Subscription$4.993 Months
- Annual Subscription(1 Year)$9.991 Year
- Professional/3 months$4.99
- Professional/one year$9.99
- Professional$19.99
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- Professional / permanent$19.99
SquareRootCalculator
No in-app purchases









