Comparison

Graphing Calculator X84 vs GemSpeak

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

GemSpeak

Features
Read full description

GemSpeak is a comprehensive AI-powered English pronunciation learning platform that combines advanced speech recognition technology with an intelligent feedback system to help urban users master English pronunciation.

Screenshots

Graphing Calculator X844 screens
GemSpeak4 screens

Verdict

The call

The clearest difference is in-app purchases: GemSpeak at none against Graphing Calculator X84's 1. GemSpeak also leads on ads (none vs shown). On price, device support and iOS requirement 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. GemSpeak asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Graphing Calculator X84 versus GemSpeak: the parameters behind the verdict, then further details
ParameterGraphing Calculator X84GemSpeak
PriceFreeFree
Rating4.5 (50K ratings) — better—
Positive reviews38.3% of reviews—
Number of ratings50K — better—
Update frequencyEvery 3 months—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.112.0 — better
Further details — not scored
Size23 MB40 MB
Age rating4+4+
DeveloperIncpt.MobisPHAM QUOC DANH

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

GemSpeak

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Graphing Calculator X84

One-time1
  • PRO Upgrade$5.99
None

GemSpeak

No in-app purchases

Questions

Is Graphing Calculator X84 free?
Graphing Calculator X84 is free to download, with in-app purchases available.
Is GemSpeak free?
GemSpeak is free to download, with no in-app purchases.
Do Graphing Calculator X84 or GemSpeak have ads?
Graphing Calculator X84 shows ads; GemSpeak does not.

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