Comparison

Graphing Calculator X84 vs Calculus Solver

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

Calculus Solver

Features
Read full description

Stuck on a calculus problem? Snap a photo or type it in, and Calculus Solver shows every step of the solution, not just the answer. SCAN OR TYPE ANY PROBLEM Point your camera at a textbook, worksheet or handwritten problem, crop the exercise you need, and get a full worked solution in seconds. No photo? Type the problem with the built-in math keyboard (∫, √, π, ∞, x²). EVERY STEP EXPLAINED Each solution starts with what is being asked and which rule applies, walks through the steps with the actual equations, and ends with a clearly marked final answer. Derivatives, integrals, limits, series, optimization, related rates and more. ASK FOLLOW-UP QUESTIONS Don't get a step? Ask right under the solution: "Why the chain rule here?", "Show me a similar problem", "Explain step 3 more". The tutor answers about your problem, with your numbers. AI CALCULUS TUTOR Chat with a tutor that only talks calculus. Straight answers, no fluff. PRACTICE FOR FREE • 40 quiz questions across limits, derivatives, integrals, and series • 40 flashcards with the rules and formulas you need on the exam • Scientific calculator PERFECT FOR AP Calculus AB/BC, Calculus I, II and III, pre-calculus, and anyone checking homework before turning it in. Unlimited solving, follow-up questions and the tutor chat require a subscription (weekly with a 3-day free trial, or yearly). Quizzes, flashcards and the calculator are free. Privacy Policy: https://meliann.notion.site/Privacy-Policy-For-Calculus-Solver-288476f8f041806cb0d1f2cedc145f22?pvs=73 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Graphing Calculator X844 screens
Calculus Solver4 screens

Verdict

The call

The clearest difference is ads: Calculus Solver at none against Graphing Calculator X84's shown. Graphing Calculator X84's advantage is update cadence (every 3 months vs every 11 months) and iOS requirement (12.1 vs 17.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Graphing Calculator X84 sells 1 one-off in-app purchase and Calculus Solver sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Graphing Calculator X84 ships an update every 3 months, Calculus Solver every 11 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
Graphing Calculator X84 versus Calculus Solver: the parameters behind the verdict, then further details
ParameterGraphing Calculator X84Calculus Solver
PriceFreeFree
Rating4.5 (50K ratings) — better—
Positive reviews38.3% of reviews—
Number of ratings50K — better—
Update frequencyEvery 3 months — betterEvery 11 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.1 — better17.6
Further details — not scored
Size23 MB12 MB
Age rating4+4+
DeveloperIncpt.MobisNicolas Gustavo Melian

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

Calculus Solver

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Graphing Calculator X84

One-time1
  • PRO Upgrade$5.99
2 purchases

Calculus Solver

Subscriptions2
  • Weekly Plan3 Days trial$4.997 Days
  • Yearly Plan$24.991 Year

Questions

Is Graphing Calculator X84 free?
Graphing Calculator X84 is free to download, with in-app purchases available.
Is Calculus Solver free?
Calculus Solver is free to download, with in-app purchases available.
Do Graphing Calculator X84 or Calculus Solver have ads?
Graphing Calculator X84 shows ads; Calculus Solver does not.
Which is updated more often, Graphing Calculator X84 or Calculus Solver?
Graphing Calculator X84 ships an update every 3 months, and Calculus Solver every 11 months. Most recently, Graphing Calculator X84 was updated on October 24, 2026 and Calculus Solver on October 6, 2026.

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