Comparison

Calculator ∞ vs Taculator 84 Graphing Calc

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

Taculator 84 Graphing Calc

This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.

Highlights
  • Scientific and advanced math functions
  • High-resolution graphing and plotting
  • Matrix operations and storage
  • List, statistics, and distribution calculations
  • Integrated command catalog and help
  • Complex number support
  • Share calculations via text or email
Features
Read full description

TACULATOR 84 GRAPHING CALCULATOR • Your graphing calculator for high school and college students. • All the commands you know: advanced math, lists, statistics, distributions, stat plots and more. • Covers everything you need: Pre-Algebra, Algebra 1 & 2, Pre-Calculus, Calculus, Statistics... IT'S EVEN BETTER THAN AN ACTUAL CALCULATOR • 100X faster than a handheld, using the full calculation power of your iPhone/iPad. • High-resolution graphing window for sharp and beautiful graphs. • Icon home screen, redesigned menus, optional status line. • Share calculations by text or email. ◉ Math Functions • Scientific calculator with every basic and advanced function. • Scrollable history; copy any previous calculation. • Complex numbers support • Probability: nPr, nCr, factorial, random numbers. • Enter fractions easily; tap any result to flip fraction and decimal. • Piecewise functions, sequences, list commands like seq(, ΔList(, augment(. • Degree, radian and gradian angle modes, DMS format. • Error messages point at the exact spot in your input. ◉ Graphing Functions • Four graphing modes: Function, Parametric, Polar and Sequence (u, v, w with TIME and WEB plots); trace, tables, CALC and zoom work in every mode. • Smart trace snaps to zeros, maxima, minima, intersections and asymptotes. • Calculate intersection, zero, minimum, maximum, integral, and derivative. • Full ZOOM menu: ZBox, ZSquare, ZTrig, ZoomFit, zoom factors and zoom memory. • Draw on your graph: text, pen, points, tangents, circles and shading in color. • Store and recall pictures, or put a photo behind your graph. • Graph statistical plots like histogram, box plot, scatter plot, xy-line plot. • Full-screen mode, pinch to zoom, full window and format settings. ◉ List, Statistics, and Distribution • Stat list editor with 1- and 2-Variable statistics. • Guided input wizards for every test, interval and distribution. • List math: min, max, mean, median, sum, product, standard deviation, variance. • Find best-fit regressions: LinReg (ax+b), LinReg (a+bx), QuadReg, CubicReg, QuartReg, LnReg, ExpReg, PwrReg, Logistic, SinReg, PropReg, RecipReg, eBASEReg — with r and r² diagnostics. • Manual-Fit a line by eye, or QuickPlot points and fit a model right on the graph. • Statistical tests: Z-Test, T-Test, 2-Sample Z- and T-Tests, 1- and 2-PropZTest, plus Z-, T- and proportion intervals. • Distributions: Normal, T, χ2, F, Poisson, Binomial, Geometric (each pdf and cdf), invT — and shade them right on the graph. ◉ Command Catalog & Syntax Help • Integrated Catalog & Help: syntax, examples and error messages for every command. • Type a command and see the right syntax next to the cursor. ◉ Built-in Apps • Geometry: points, lines, circles and polygons — measure, transform, animate. • Polynomial Root Finder & Simultaneous Equation Solver. • Finance: Time-Value-of-Money solver, NPV, IRR, amortization. • Probability Simulation: toss coins, roll dice, spin spinners, draw cards. • Science Tools: sig-fig calculator, unit converter, data/graphs wizard, vector calculator. • Conics & Lines: equation templates for lines (even X=C), circles, parabolas, ellipses and hyperbolas, with SOLVE for center, foci, vertices, directrix. • Transformation Graphing, Inequality Graphing, Periodic Table. • Numeric Solver: solve any equation for any variable. ◉ Matrix Calculator • Store matrices and reuse them as [A], [B], [C], ... • Matrix arithmetic: addition, multiplication, scalar products, powers. • Transpose, determinant, inverse, dimension, ref/rref, identity matrix, cumulative sum. SUPPORT Contact us at contact@taculator.com --- Taculator Pro Membership • Unlock advanced calculations and functions with a monthly, yearly, or lifetime subscription. • Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. • Manage subscriptions in Account Settings. Terms of Service: https://taculator.com/terms/ Privacy Policy: https://taculator.com/privacy/

Screenshots

Calculator ∞4 screens
Taculator 84 Graphing Calc4 screens

Verdict

The call

The clearest difference is price: Taculator 84 Graphing Calc at Free against Calculator ∞'s $5.99. Taculator 84 Graphing Calc also leads on update cadence (every 3 weeks vs every 2 months). Calculator ∞'s advantage is review sentiment (75% vs 45%) and rating (4.7 vs 4.5). On ratings volume, ads, in-app purchases and monetization model 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

Taculator 84 Graphing Calc is free to download; Calculator ∞ costs $5.99 up front. Calculator ∞ sells 4 in-app purchases, starting at $3.49 per month and Taculator 84 Graphing Calc sells 7 in-app purchases, starting at $3.99 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 4.5. Both are backed by a comparable volume of ratings — 6.3K and 7.6K respectively. Written reviews point the same way: 75% of Calculator ∞'s written reviews are positive against 45% of Taculator 84 Graphing Calc's.

UpkeepUpdate frequency

Calculator ∞ ships an update every 2 months, Taculator 84 Graphing Calc every 3 weeks. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 6 level
Calculator ∞ versus Taculator 84 Graphing Calc: the parameters behind the verdict, then further details
ParameterCalculator ∞Taculator 84 Graphing Calc
Price$5.99Free — better
Rating4.7 (6.3K ratings) — better4.5 (7.6K ratings)
Positive reviews74.7% of reviews — better45.2% of reviews
Number of ratings6.3K7.6K — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#128 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.1 — better13.0
Further details — not scored
Size46 MB55 MB
Age rating4+4+
DeveloperIncpt.MobisDi Venisco UG (haftungsbeschrankt)

Customer experience

Calculator ∞

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

Taculator 84 Graphing Calc

All ratings7,567 ratings
Positive87.8%
Neutral3.7%
Negative8.5%
Written reviews177 reviews
Positive45.2%
Neutral13.6%
Negative41.2%

Bugs and requests

Calculator ∞

Not enough reviews yet to summarise bugs or requests.

Taculator 84 Graphing Calc

Reported bugs

4 issues
  • Cannot handle negative powers
  • Keyboard issues on certain devices
  • Errors when trying to clear lists
  • Scaling and UI issues on some devices

Requested features

4 requests
  • Add apps and programming features
  • Improve graphing capabilities
  • Add support for degrees, minutes, and seconds
  • Implement symbolic calculus and equation solving

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
7 purchases

Taculator 84 Graphing Calc

Subscriptions6
  • Taculator Pro - Monthly7 Days trial4 variants$3.991 Month
  • Taculator Pro - Monthly2 variants$3.991 Month
  • Taculator Pro - Yearly7 Days trial2 variants$14.991 Year
Show 3 more
  • Taculator Pro - Yearly$14.991 Year
  • Taculator Pro - Yearly7 Days trial$29.991 Year
  • Taculator Pro7 Days trial$29.991 Year
One-time1
  • Taculator Pro - Lifetime$5.99

Questions

Is Calculator ∞ free?
Calculator ∞ costs $5.99, and also offers in-app purchases.
Is Taculator 84 Graphing Calc free?
Taculator 84 Graphing Calc is free to download, with in-app purchases available.
Which has better reviews, Calculator ∞ or Taculator 84 Graphing Calc?
Calculator ∞ is rated higher. Calculator ∞ averages 4.7 out of 5 from 6.3K ratings, while Taculator 84 Graphing Calc averages 4.5 from 7.6K ratings.
Do Calculator ∞ or Taculator 84 Graphing Calc have ads?
Neither Calculator ∞ nor Taculator 84 Graphing Calc shows ads.
Which is updated more often, Calculator ∞ or Taculator 84 Graphing Calc?
Calculator ∞ ships an update every 2 months, and Taculator 84 Graphing Calc every 3 weeks. Most recently, Calculator ∞ was updated on September 22, 2026 and Taculator 84 Graphing Calc on September 24, 2026.

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