Comparison

Graphing Calculator X84 vs Calculate84 Plus

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

Calculate84 Plus

This app provides advanced scientific and graphing calculator functionality. It allows users to plot multiple functions, perform complex mathematical operations, analyze data with statistics, and manage matrices. An optional subscription unlocks even more features.

Highlights
  • Natural textbook equation input
  • Plot multiple functions with touch controls
  • Advanced math, number, and probability functions
  • 1- and 2- Variable statistics
  • Matrix arithmetic and equation solving
  • Extensive command catalog
Features
Read full description

Graph functions, use advanced math commands for your calculations, create tables, and perform statistics. CALCULATE • Type in equations in natural textbook format • The scientific calculator solves all functions like sin, cos, tan, e, ln, Σ, log, ... • Use MATH, NUM, and PROB functions GRAPH • The graphing calculator lets you plot more than ten functions at once, each with a different color • Touch-enabled graph window • Zoom and trace with your fingers in full-screen • Find intersect, min, max, zero, integral, and derivative STATISTICS • Easily enter lists using the Statistics List Editor • Perform 1- and 2- Variable Stats • Find best-fit lines like LinReg, QuadReg, CubicReg, QuartReg, ExpReg • Work with distributions and regressions TABLE • Analyze X and Y values of your functions MATRIX • Do basic matrix arithmetic operations like +, -, *, or power of a Matrix • Put the matrix into Reduced Row-Echelon form and solve linear equation systems • Calculate the determinant, inversion or transpose the matrix CATALOG • Extensive catalog of all commands with syntax, example, and possible error messages CONTACT Write to us at contact@hypercalc.org --- For extended features such as more advanced calculations and functions, subscribe to HyperCalc. Auto-Renewable Subscription Terms: • Payment will be charged to iTunes Account at confirmation of purchase; • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period; • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal; • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase; • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable; • Prices are in U.S. dollars, may vary in countries other than the U.S. and are subject to change without notice. Terms of Service: http://www.hypercalc.org/terms.html Privacy Policy: http://www.hypercalc.org/privacy.html

Screenshots

Graphing Calculator X844 screens
Calculate84 Plus4 screens

Verdict

The call

The clearest difference is ads: Calculate84 Plus at none against Graphing Calculator X84's shown. Calculate84 Plus also leads on review sentiment (64% vs 38%). Graphing Calculator X84's advantage is ratings volume (50K vs 306). On price, rating, update cadence 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 Calculate84 Plus sells 10 in-app purchases, starting at $2.99 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 Calculate84 Plus. That said, the two scores are not equally well evidenced: Graphing Calculator X84 has 50K ratings behind it against 306, 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 64% of Calculate84 Plus's.

UpkeepUpdate frequency

Graphing Calculator X84 ships an update every 3 months, Calculate84 Plus every 2 months. The most recent releases landed on November 8, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Graphing Calculator X84 versus Calculate84 Plus: the parameters behind the verdict, then further details
ParameterGraphing Calculator X84Calculate84 Plus
PriceFreeFree
Rating4.5 (50K ratings) — better4.5 (306 ratings)
Positive reviews38.3% of reviews64.0% of reviews — better
Number of ratings50K — better306
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.1 — better13.0
Further details — not scored
Size23 MB33 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%

Calculate84 Plus

All ratings305 ratings
Positive87.2%
Neutral4.3%
Negative8.5%
Written reviews25 reviews
Positive64.0%
Neutral12.0%
Negative24.0%

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

Calculate84 Plus

From 306 App Store ratings

What we love

  • 👍 Similar to TI-84
  • 👍 Good for stats
  • 👍 Accurate calculations
  • 👍 No ads
  • 👍 Fresh design

Room to improve

  • 💰 Many features require payment
  • 💰 Not free as advertised
  • 💰 Subscription model disliked
  • 💰 Lifetime purchase issues
  • 💰 Expensive ($30)

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

Calculate84 Plus

Reported bugs

5 issues
  • Domain incorrect in y= table
  • App closes when pulling up table
  • Cannot input negative matrices
  • App freezes during IAP search
  • Cannot drag functions

Requested features

10 requests
  • Dark mode
  • Numeric solver (free)
  • 2nd function
  • Chinese language support
  • Tutorial videos
Show 5 more
  • Settings button (color theme, subscription details)
  • Standard calculator mode
  • Show premium features in description
  • Ability to create programs
  • More TI-84 Plus CE features

In-app purchases

1 purchases

Graphing Calculator X84

One-time1
  • PRO Upgrade$5.99
10 purchases

Calculate84 Plus

Subscriptions8
  • HyperCalc - Monthly$2.991 Month
  • HyperCalc - Monthly7 Days trial$2.991 Month
  • HyperCalc - Monthly7 Days trial$4.991 Month
Show 5 more
  • HyperCalc - Monthly$4.991 Month
  • HyperCalc - Yearly$14.991 Year
  • HyperCalc - Yearly7 Days trial$14.991 Year
  • HyperCalc - Yearly7 Days trial$19.991 Year
  • HyperCalc - Yearly$19.991 Year
One-time2
  • HyperCalc - Lifetime$29.99
  • HyperCalc - Lifetime$39.99

Questions

Is Graphing Calculator X84 free?
Graphing Calculator X84 is free to download, with in-app purchases available.
Is Calculate84 Plus free?
Calculate84 Plus is free to download, with in-app purchases available.
Which has better reviews, Graphing Calculator X84 or Calculate84 Plus?
Graphing Calculator X84 is rated higher. Graphing Calculator X84 averages 4.5 out of 5 from 50K ratings, while Calculate84 Plus averages 4.5 from 306 ratings.
Do Graphing Calculator X84 or Calculate84 Plus have ads?
Graphing Calculator X84 shows ads; Calculate84 Plus does not.
Which is updated more often, Graphing Calculator X84 or Calculate84 Plus?
Graphing Calculator X84 ships an update every 3 months, and Calculate84 Plus every 2 months. Most recently, Graphing Calculator X84 was updated on November 8, 2026 and Calculate84 Plus on November 3, 2026.

Other comparisons