Calculator # vs Scanbook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator #
This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.
- Math Photos Solver
- Handwriting Recognition
- AI Math Problem Solver
- Mathematical Display
- Equation Solvers
- 2D Graphing
- Algebraic Functions
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◉ Over 11,000,000 Downloads Worldwide ◉ Top Free Utilities Apps in US, UK, AUS, CAN, GER,... ◉ Rated & Reviewed on ILoveFreeSoftware.com FREE Alternative to Graphing TI-83, TI-84, TI-89, Casio FX, Sharp EL,... Calculator # – The free, multi-function calculator for iPhone/iPad is proud to offer a variety of features to satisfy wide ranges of customers: The App possesses a powerful math core and algebra engine with mathematical display support, making it a viable tool for everyone from those looking for basic calculation to more advanced users, such as scientific computation, engineers, and math students. Calculator # makes available everything you need – including a user manual and tutorial video clips – so you can master the app in a matter of minutes! ◉ Official Website: http://iPhoneCalculator.com ◉ ADVANCED FEATURES: ▸ Math Photos Solver * ▸ Handwriting Recognition * ▸ Math Problem Solver (AI) * ◉ GENERAL FEATURES: ▸ Universal Calculator App ▸ Support All the Latest Devices ¹ ▸ Support Multitasking (iPad) ▸ Support Wireless KB ² ▸ Mathematical Display ▸ Edit & Export Expression/Result ▸ History Tape View ▸ Basic Calculations (+, -, x, ÷, %, Abs,...) ▸ Advanced Functions (Sin,Cos,Ln,X!, ^, √,…) ▸ 14 Memory Variables (Including X,Y,Z,M) ▸ Assignment Operator ▸ F(x) Customize Functions (F1 Only) ▸ Fraction and Degree/Angle Calculation ▸ Numeric Integral Calculation ▸ Dual Skins (Silver Light & Carbon+) ◉ ALGEBRA FEATURES: ▸ Big Integer & Rational Number (Up to 30!) ▸ Expand and Factor Polynomials ▸ Basic Indefinite integral ◉ EQUATIONS SOLVERS: ▸ Quadratic Equations ▸ System of Linear Equations (2 Unknowns) ◉ 2D GRAPH: ▸ Snap to Points ▸ Smooth Zoom & Transformation ▸ Support F(X,Y) = 0. E.g. Sin(X) + Cos(Y) = 0. ◉ MULTIPLE LANGUAGES: ▸ English, Spanish, German, ▸ French, Japanese, Chinese (*) In-App-Purchase is required ¹: Include iPhone 6/6S+ HD Retina Display ²: Standard English KB We love your feedback, Thanks a lot ! Terms of Service: https://iphonecalculator.com/terms-of-service/
Scanbook
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Scanbook is a simple, practical scanner for QR codes and common barcodes. Use the camera to scan codes, save scan history locally, create new QR codes, export your data, and optionally back up your history to Google Drive. Features: - Fast QR and barcode scanning - Manual entry for codes captured outside the camera - Local scan history with search, filtering and export - QR and barcode generator - Google Drive backup using your own Google account - Configurable webhooks for automation workflows - Optional one-time Pro unlock for premium features Your scan history is stored locally on your device. Google Drive backup is optional and uses the drive.file scope so the app only works with files it creates. Pro unlock (one-time purchase) A single, non-consumable purchase of USD 1.99 unlocks data export (CSV/JSON), Google Drive backup, and webhook automation. This is not a subscription — pay once, keep it forever. Payment is charged to your Apple ID account at confirmation of purchase. Privacy Policy: https://mybuilt.app/qr-scanner/privacy.html Terms of Use: https://mybuilt.app/qr-scanner/terms.html
Screenshots
Verdict
The clearest difference is ads: Scanbook at none against Calculator #'s shown. Scanbook also leads on update cadence (every 8 days vs every 2 months). Calculator #'s advantage is iOS requirement (12.1 vs 17.0). On price, in-app purchases 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. Calculator # sells 6 in-app purchases, starting at $1.49 per month and Scanbook sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Calculator # ships an update every 2 months, Scanbook every 8 days. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.
| Parameter | Calculator # | Scanbook |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (36K ratings) — better | — |
| Positive reviews | 70.7% of reviews | — |
| Number of ratings | 36K — better | — |
| Update frequency | Every 2 months | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 57 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Incpt.Mobis | Ho Ming Chan |
Bugs and requests
Calculator #
Reported bugs
3 issues- Crashes when trying to use certain functions
- Handwriting recognition not working reliably
- Inability to input negative numbers
Requested features
3 requests- Add option to turn off animation
- Improve ad placement to avoid obstructing usage
- Provide more transparency on paid features
Scanbook
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator #
- PRO Upgrade 1 Month3 Days trial$1.491 Month
- PRO Upgrade 3 Months7 Days trial$2.993 Months
- PRO + Recognition 1 Month$4.991 Month
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- PRO + Recognition 3 Months$11.993 Months
- 250 AI Recognition & Queries$0.99
- 600 AI Recognition & Queries$1.99
Scanbook
- Pro Unlock$0.99








