Comparison

Calculator ∞ vs CASIO ClassPad

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

Head to head
About

Calculator ∞

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Highlights
  • Step-by-step solution hints
  • Math Photos Solver
  • Handwriting Recognition
  • AI Math Problem Solver
  • 2D Graphing
  • Unit Converter
  • Matrix/Vector Mode
Features
Currently charting
Read full description

◉ Top Paid Educational Apps in US, UK, AUS, GER,... ◉ QAppReview.com Rated 9/10 ◉ Users Reviewed: "Top Class Calculator !" The BEST Alternative to Graphing TI-83, TI-84, TI-89, Casio FX, Sharp EL,... Calculator Infinity (∞) – The sleek, multi-function calculator for iPhone/iPad is proud to offer a variety of features to satisfy all 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, programmers, 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: ▸ Step-by-step solution (Hints) ▸ Math Photos Solver * ▸ Handwriting Recognition * ▸ Math Problem Solver (AI) * ▸ Well Organized of Functions ◉ GENERAL FEATURES: ▸ Universal Calculator App ¹ ▸ Support Multitasking (iPad) ▸ Support Wireless KB² ▸ Mathematical Display ▸ Edit & Export Expression/Result ▸ History Tape View ▸ Basic Calculations (+, -, x, ÷, %, Abs,...) ▸ Advanced Functions (Sin, Cos, Ln, X!, ^, √,…) ▸ Memory Variables (Including X,Y,Z,M) ▸ F(x) Customize Functions (F1, F2, F3) ▸ Unit Converter (40 Categories, 1000+ Units) ▸ Over 40 Common Constants ▸ Fraction and Degree/Angle Calculation ▸ Numeric Integral & Derivative Calculation ▸ Dual Skins (Silver Light & Carbon+) ▸ No Ads ◉ ALGEBRA FEATURES: ▸ Big Integer & Rational Number (Up to 500!) ▸ Expand and Factor Polynomials ▸ Indefinite integral & Derivative ▸ Two-side Limit ▸ Taylor Series Expansion ▸ Hints and Solutions ◉ 2D GRAPH: ▸ Simultaneous Graph ▸ Smooth Zoom & Transformation ▸ Support F(X,Y) = 0. E.g. Sin(X) + Cos(Y) = 0. ▸ Conic Equations (Parabola, Hyperbola, Ellipse) ▸ Get Intersections, Min, Max & Special Points ◉ CLOUD COMPUTING: ▸ Advanced Two-side Limit ▸ Advanced Indefinite Integral ▸ General Equations (Accurate Roots) ◉ EQUATIONS SOLVERS: ▸ General Equations (Numerical Roots) ▸ Quadratic & Cubic Equations ▸ System of Linear Equations (2 & 3 Unknowns) ◉ REGRESSION & STATISTICS: ▸ Modify & Sort Data ▸ Single Variable Statistics ▸ Linear, Quadratic, Power Regression ▸ Logarithmic & Exponential Regression ◉ COMPLEX CALCULATION: ▸ Polar & Rectangular Notation ▸ Argument, Conjugate Function ▸ Trigonometry Functions ▸ Logarithmic & Exponential Functions ◉ MATRIX/VECTOR MODE: ▸ Support Up to 7x7 Matrix ▸ Support Complex Numbers ▸ Cross, Dot Product ▸ Det, Inverse, Transpose ▸ Cramer’s Rule Solver ▸ Numerical Real Eigenvalues ◉ NUMBER BASE-N MODE: ▸ 15 Different Bases ▸ Support Up to 32 Bits Integer ▸ Binary Operation (NOT, OR, XOR, 2’S, …) ◉ MULTIPLE LANGUAGES: ▸ English, Spanish, German, ▸ French, Japanese, Chinese (*) In-App-Purchase is required ¹: Include iPhone SE, PRO, PRO-MAX, iPad... ²: Standard English KB Calculator ∞ is not only the Calculator IT IS THE MUST HAVE CALCULATOR !!! We love your feedback, Thanks a lot ! Please contact us for questions, bugs/crash reports, conversion requirements, etc.... Terms of Service: https://iphonecalculator.com/terms-of-service/

About

CASIO ClassPad

Perform complex calculations, graph functions, and utilize a computer algebra system for mathematical exploration. This app offers a suite of tools for math and science learning, including dynamic visualizations and advanced functions. It's designed to enhance mathematical understanding for students and educators.

Highlights
  • Complex calculations
  • Graphing functions
  • Computer Algebra System (CAS)
  • eActivity worksheets
  • Spreadsheet analysis
  • Geometry tools
  • Periodic table and constants
Features
Read full description

●App Overview ClassPad comes equipped to perform complex calculations, draw graphs, and to use a computer algebra system (CAS) to investigate mathematics and solve problems. It has a user interface in the style of the handheld ClassPad, a tool used in classrooms worldwide. This app will be beneficial for both new and experienced ClassPad users. ClassPad in combination with the free activities available from CASIO can help to take your study of mathematics to the next level. ●Trial Version vs Monthly Subscription Version After you register for a ClassPad Subscription, you will be provided access to a variety of different apps and functions that are essential for math and natural science learning and calculation. ・Applications You get access to a selection of more than 10 new apps that allow you to perform calculations using dynamic visual representations of math and natural science concepts. Four typical applications, each of which is essential for math and natural science learning and calculations, are described below. -eActivity eActivity lets you input math expressions and textual explanations in files that can then be used as worksheets. -Spreadsheet In addition to standard spreadsheet calculations, this app also provides statistical chart analysis and statistical calculation capabilities. -Geometry Geometry makes it possible for students to grasp relationships between figures using number tables and animations. -Physium Physium provides access to a periodic table and scientific constants for calculations. ・Functions You get additional access to more than 300 middle and higher grade math functions, including calculus, complex numbers, probability distribution, and more. ●Monthly Subscription ・Subscription Fee and Period A subscription costs $1.99 per month (calculated from your date of purchase), automatically renewed each month until you cancel your subscription. Billing is through your iTunes account. ・Automatic Renewal Details Subscriptions are renewed automatically as long as the subscriber does not cancel the subscription at least 24 hours before the end of the current subscription period. Billing for an automatically renewed subscription will be performed within 24 hours after the auto renewal. ・Checking Your Current Subscription Status and Canceling a Subscription (by Stopping Auto Renewal) You can check your current subscription status by navigating to the applicable page as shown below. [Settings > iTunes & App Store > Tap your Apple ID. > View Apple ID > Subscriptions] On the page that appears, you can check your next auto renewal date, and cancel or reconfigure your auto renewal. *You can also use iTunes to check your next auto renewal date, and cancel or reconfigure your auto renewal. ・Partial Month Cancellation Cancellation of a subscription partway through a month is not allowed. ●Terms of use http://edu.casio.com/software_app/app/termsofuse/en.html ●Privacy Policy http://world.casio.com/privacy/

Screenshots

Calculator ∞4 screens
CASIO ClassPad4 screens

Verdict

The call

The clearest difference is review sentiment: Calculator ∞ at 75% against CASIO ClassPad's 19%. Calculator ∞ also leads on rating (4.7 vs 3.4) and ratings volume (6.3K vs 11). CASIO ClassPad's advantage is price (Free vs $5.99). On ads, 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

CostPrice · In-app purchases · Ads · Monetization

CASIO ClassPad is free to download; Calculator ∞ costs $5.99 up front. Calculator ∞ sells 4 in-app purchases, starting at $3.49 per month and CASIO ClassPad sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calculator ∞ holds the better App Store score, 4.7 against 3.4. That said, the two scores are not equally well evidenced: Calculator ∞ has 6.3K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 75% of Calculator ∞'s written reviews are positive against 19% of CASIO ClassPad's.

UpkeepUpdate frequency

Calculator ∞ ships an update every 2 months, CASIO ClassPad every 7 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

Scorecard8 real differences · 3 level
Calculator ∞ versus CASIO ClassPad: the parameters behind the verdict, then further details
ParameterCalculator ∞CASIO ClassPad
Price$5.99Free — better
Rating4.7 (6.3K ratings) — better3.4 (11 ratings)
Positive reviews74.7% of reviews — better18.8% of reviews
Number of ratings6.3K — better11
Update frequencyEvery 2 months — betterEvery 7 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
Best chart rank#127 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.1 — better15.6
Further details — not scored
Size46 MB56 MB
Age rating4+4+
DeveloperIncpt.MobisCASIO COMPUTER CO., LTD.

Customer experience

Calculator ∞

All ratings6,306 ratings
Positive93.6%
Neutral1.8%
Negative4.6%
Written reviews419 reviews
Positive74.7%
Neutral5.3%
Negative20.0%

CASIO ClassPad

All ratings11 ratings
Positive54.5%
Neutral9.1%
Negative36.4%
Written reviews69 reviews
Positive18.8%
Neutral10.1%
Negative71.0%

In-app purchases

4 purchases

Calculator ∞

Subscriptions2
  • Unlimited OCR/Writing 1 Month$3.491 Month
  • Unlimited OCR/Writing 3 Months$8.993 Months
One-time2
  • 400 AI Recognition & Queries$0.99
  • 900 AI Recognition & Queries$1.99
1 purchases

CASIO ClassPad

Subscriptions1
  • ClassPad 1 Month Subscription$1.991 Month

Questions

Is Calculator ∞ free?
Calculator ∞ costs $5.99, and also offers in-app purchases.
Is CASIO ClassPad free?
CASIO ClassPad is free to download, with in-app purchases available.
Which has better reviews, Calculator ∞ or CASIO ClassPad?
Calculator ∞ is rated higher. Calculator ∞ averages 4.7 out of 5 from 6.3K ratings, while CASIO ClassPad averages 3.4 from 11 ratings.
Do Calculator ∞ or CASIO ClassPad have ads?
Neither Calculator ∞ nor CASIO ClassPad shows ads.
Which is updated more often, Calculator ∞ or CASIO ClassPad?
Calculator ∞ ships an update every 2 months, and CASIO ClassPad every 7 months. Most recently, Calculator ∞ was updated on October 11, 2026 and CASIO ClassPad on October 6, 2026.

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