Comparison

Graphing Calculator X84 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

Graphing Calculator X84

This app offers a free, powerful alternative to hardware graphing calculators. It supports basic to complex math, including graphing, statistics, and matrix operations, with a built-in user manual for assistance.

Highlights
  • Graphing of functions
  • Statistics and regression analysis
  • Matrix operations
  • Equation and polynomial solver
  • Integral and derivative calculation
  • Mathematical display
Features
Read full description

Graphing Calculator X has a formidable reputation of being the FREE alternative to heavy complex hardware calculators. It is suitable for all types of users, whether they are looking to carry out basic or complex mathematics; It is equipped with a powerful MATH CORE advocated by MATH DISPLAY support, which increases its functionality by leaps and bounds, making it an ideal choice for engineers, math students etc. It comes with an in depth User Manual and Tutorial to answer any questions you have, regarding the app and to help you further understand the world of advanced mathematics. ◉ BUILT-IN DOCUMENTS: ▸ Basic General Calculation ▸ X & Y Calculation & Intersection of Functions ▸ Calculate Local Maxima, Minima... ▸ Statistics & Regression ▸ Solve Equations & Polynomial ▸ Calculate Integral Functions ◉ CALCULATOR INCLUDED: ▸ Universal Calculator App ▸ Mathematical Display ▸ Complex Number Calculation ▸ Edit & Export Expression/Result ▸ History Tape View ▸ Basic Calculations (+, -, x, ÷, ^, √,…) ▸ Advanced Functions (Sin,Cos,Ln,E,…) ▸ Y-Var & Customize Functions (Y1, Y2) ▸ Fraction and Degree/Angle Calculation ▸ Numeric Integral & Derivative Calculation ▸ Hardware Keyboard Support ▸ Dual Themes(Skin) ◉ 2D GRAPH: ▸ Simultaneous Graph (2 Y-Var) ▸ Support F(X,Y) = 0. E.g. Sin(X) + Cos(Y) = 0 ▸ Smooth Zoom & Transformation ▸ Points TRACING ▸ Box Plot (STAT) ◉ STATISTIC,REGRESSION & TEST: ▸ Create/Edit Lists ▸ 1-Var, 2-Var Statistic ▸ Linear, Ln, Exp Regressions ▸ Dialog Wizard Setups ◉ MATRIX: ▸ Create/Edit Matrices ▸ Basic Matrix Functions (+,-,×,÷…) ▸ Transpose, Det,... ◉ ADITIONAL FEATURES: ▸ Quadratic Equation Solver ▸ 2-Var Linear Equation Solver ▸ And more will be available in further update! IT IS THE MUST HAVE CALCULATOR !!!!!!! We love your feedback, Thanks a lot ! Please contact us for questions, bugs/crash reports, conversion requirements, etc…

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

Graphing Calculator X844 screens
Taculator 84 Graphing Calc4 screens

Verdict

The call

The clearest difference is ads: Taculator 84 Graphing Calc at none against Graphing Calculator X84's shown. Taculator 84 Graphing Calc also leads on update cadence (every 3 weeks vs every 3 months). Graphing Calculator X84's advantage is ratings volume (50K vs 7.6K). On price, rating, review sentiment and in-app purchases 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

Both are free to download. Graphing Calculator X84 sells 1 one-off in-app purchase 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

On the App Store both sit at effectively the same score — 4.5 for Graphing Calculator X84 against 4.5 for Taculator 84 Graphing Calc. That said, the two scores are not equally well evidenced: Graphing Calculator X84 has 50K ratings behind it against 7.6K, so its average is the more settled of the two. Written reviews are what separate them: 38% of Graphing Calculator X84's written reviews are positive against 45% of Taculator 84 Graphing Calc's.

UpkeepUpdate frequency

Graphing Calculator X84 ships an update every 3 months, Taculator 84 Graphing Calc every 3 weeks. Both last shipped on September 24, 2026.

Scorecard3 real differences · 7 level
Graphing Calculator X84 versus Taculator 84 Graphing Calc: the parameters behind the verdict, then further details
ParameterGraphing Calculator X84Taculator 84 Graphing Calc
PriceFreeFree
Rating4.5 (50K ratings)4.5 (7.6K ratings)
Positive reviews38.3% of reviews45.2% of reviews — better
Number of ratings50K — better7.6K
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.1 — better13.0
Further details — not scored
Size23 MB55 MB
Age rating4+4+
DeveloperIncpt.MobisDi Venisco UG (haftungsbeschrankt)

Customer experience

Graphing Calculator X84

All ratings49,931 ratings
Positive88.4%
Neutral3.7%
Negative7.9%
Written reviews196 reviews
Positive38.3%
Neutral8.2%
Negative53.6%

Taculator 84 Graphing Calc

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

User reviews

Graphing Calculator X84

From 50K App Store ratings

What we love

  • 🚀 Exact replica of TI-84 calculator
  • 🤩 Great for school/college math
  • 👍 Convenient to have on phone
  • 💰 Cheaper than physical calculator

Room to improve

  • 📺 Intrusive and frequent ads
  • 🔓 Key features locked behind paywall
  • 🛑 Restricted functionality compared to physical TI-84
  • 🤯 Ads disrupt focus during timed tests

Taculator 84 Graphing Calc

From 7.6K App Store ratings

What we love

  • 🚀 Excellent implementation and familiar layout
  • 💡 Customizable buttons and color scheme
  • 👍 Helpful and life-saving calculator
  • 🚀 Best on-the-go calculator

Room to improve

  • 🐛 Crashes when trying to graph or use certain functions
  • 🔒 Requires subscription to access full functionality
  • 🐛 Inaccurate calculations and wrong results
  • 🐛 Inconsistent performance and unreliable

Bugs and requests

Graphing Calculator X84

Reported bugs

3 issues
  • Calculation errors on basic functions
  • Graphing and programming features not working as expected
  • Frequent crashes and freezes

Requested features

4 requests
  • Option to pay and remove ads
  • More customization options
  • Haptic feedback when pressing buttons
  • Better integration with physical TI-84 calculators

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

1 purchases

Graphing Calculator X84

One-time1
  • PRO Upgrade$5.99
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 Graphing Calculator X84 free?
Graphing Calculator X84 is free to download, with in-app purchases available.
Is Taculator 84 Graphing Calc free?
Taculator 84 Graphing Calc is free to download, with in-app purchases available.
Which has better reviews, Graphing Calculator X84 or Taculator 84 Graphing Calc?
Graphing Calculator X84 and Taculator 84 Graphing Calc are both rated 4.5 out of 5 on the App Store, from 50K and 7.6K ratings respectively.
Do Graphing Calculator X84 or Taculator 84 Graphing Calc have ads?
Graphing Calculator X84 shows ads; Taculator 84 Graphing Calc does not.
Which is updated more often, Graphing Calculator X84 or Taculator 84 Graphing Calc?
Graphing Calculator X84 ships an update every 3 months, and Taculator 84 Graphing Calc every 3 weeks. Most recently, Graphing Calculator X84 was updated on September 24, 2026 and Taculator 84 Graphing Calc on September 24, 2026.

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