Comparison

Graphing Calculator Plus AI vs Systems Study

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Graphing Calculator Plus AI

This app serves as a powerful scientific graphing calculator, offering advanced mathematical functions and graphing capabilities. It includes a built-in AI assistant for math queries and a comprehensive user manual. Ideal for students and professionals needing complex calculations and visualizations.

Highlights
  • Scientific and graphing calculator
  • AI-powered math assistant
  • Complex number calculations
  • Equation solver
  • Unit converter
  • Matrix operations
  • Statistical analysis and regression
Features
Currently charting
Read full description

Graphing Calculator has a formidable reputation of being the top alternative to heavy complex hardware calculators. It is suitable for all types of users, whether they are looking to carry out basic or advanced mathematics; Graphing Calculator has it all. 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. ◉ CALCULATOR INCLUDED: ▸ Universal Calculator App ▸ Mathematical Display ▸ Complex Number Calculation ▸ Equations Solver ▸ Edit & Export Expression/Result ▸ History Tape View ▸ Basic Calculations (+, -, x, ÷, ^, √,…) ▸ Advanced Functions (Sin,Cos,Ln,E,…) ▸ Y-Var & Customize Functions (F1, F2, F3) ▸ Unit Converter (50 Categories, 1000+ Units) ▸ Over 40 Common Constants ▸ Fraction and Degree/Angle Calculation ▸ Numeric Integral & Derivative Calculation ▸ Hardware Keyboard Support ▸ Dual Themes(Skin) ◉ MATH GPT: ▸ Ask about Math, Algebra & use as a Calculator ▸ Smart A.I.: Chat on scientific topics with ease ▸ Student Access Control ▸ Can be Disable during exams or in class. ◉ 2D GRAPH: ▸ Simultaneous Graph ▸ Smooth Zoom & Transformation ▸ Support F(X,Y) = 0. E.g. Sin(X) + Cos(Y) = 0. ▸ Support Parametric, Polar & Sequences ▸ Intersections, Min, Max & Special Points TRACE ▸ Box Plot (STAT) ◉ BUILT-IN DOCUMENTS: ▸ Basic General Calculation ▸ X & Y Calculation & Intersection of Functions ▸ Calculate Local Maxima, Minima... ▸ Statistics & Regression ▸ Solve Equations & Polynomial ▸ Calculate Integral Functions ◉ STATISTIC,REGRESSION & TEST: ▸ Create/Edit Lists ▸ 1-Var, 2-Var Statistic ▸ Linear, Quadratic, Cubic Regression ▸ Logarithm, Exponential, Power,… Regression ▸ PropZ,T, SampZ,T, Chi, Interval… Test ▸ Dialog Wizard Setups ◉ MATRIX: ▸ Create/Edit Matrices ▸ Basic Matrix Functions (Det,Dim,Fill,…) ▸ Advanced Matrix Functions (Inv, Ref, RRef,…) ◉ PROGRAMING: ▸ Control Commands ▸ I/O Commands ▸ Example Source Codes Included ◉ NUMBER BASE-N MODE: ▸ 15 Different Bases ▸ Support Up to 64 Bits Integer ▸ Binary Operation (NOT, OR, XOR, 2’S,…) ◉ ADITIONAL FEATURES: ▸ Financial Calculation (TVM Solver) ▸ Geometry & Chemistry App ▸ 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

Systems Study

Features
Read full description

Systems Study is a professional flight crew training app designed to help pilots review, reinforce, and retain Boeing 767 and Airbus A330 aircraft systems knowledge in a clean, distraction-free environment optimized for iPad use. Built specifically for initial, upgrade, and recurrent training, Systems Study presents aircraft systems information in an efficient flashcard format that supports both structured study sessions and quick-reference review. The app provides a simple and reliable way for pilots to strengthen technical knowledge outside the classroom. Features include: • Boeing 767 and Airbus A330 systems study decks • Organized study subjects by aircraft system • Flashcard-based question and answer review • Search function for rapid topic lookup • Ability to mark difficult cards for additional review • Dedicated Review Marked Cards mode • Randomized card presentation for improved retention • Optimized layout for iPad training environments • Dark mode support • Offline operation with no internet connection required Systems Study was developed with operational airline training in mind, allowing pilots to focus on understanding aircraft systems without unnecessary complexity or distractions. The streamlined interface supports productive study sessions during downtime, classroom breaks, hotel stays, commuting, and pre-training preparation. Whether used for initial qualification, recurrent training, upgrade preparation, or personal review, Systems Study provides a practical and efficient learning experience for professional flight crews. This application is intended as a supplemental study aid only and does not replace company-approved manuals, training programs, operating procedures, or regulatory guidance.

Screenshots

Graphing Calculator Plus AI4 screens
Systems Study4 screens

Verdict

The call

The clearest difference is price: Systems Study at Free against Graphing Calculator Plus AI's $5.99. Systems Study also leads on in-app purchases (none vs 2). Graphing Calculator Plus AI's advantage is chart position (#97 vs unranked) and iOS requirement (12.0 vs 17.6). On update cadence, ads 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

Systems Study is free to download; Graphing Calculator Plus AI costs $5.99 up front. Graphing Calculator Plus AI sells 2 one-off in-app purchases. Systems Study asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

Scorecard4 real differences · 7 level
Graphing Calculator Plus AI versus Systems Study: the parameters behind the verdict, then further details
ParameterGraphing Calculator Plus AISystems Study
Price$5.99Free — better
Rating4.6 (12K ratings) — better—
Positive reviews78.2% of reviews—
Number of ratings12K — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#97 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size13 MB4 MB
Age rating4+17+
DeveloperIncpt.MobisCraig Miller

Bugs and requests

Graphing Calculator Plus AI

Reported bugs

3 issues
  • Syntax errors with certain mathematical expressions
  • Incorrect results for some statistical functions
  • Graphing issues with inequalities and piecewise functions

Requested features

4 requests
  • Add a 'Trace' function for graphing
  • Improve list editing and manipulation capabilities
  • Implement a 'history' or 'replay' feature for calculations
  • Provide more customization options for the user interface

Systems Study

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Graphing Calculator Plus AI

One-time2
  • 600 Math GPT Queries$0.99
  • 2000 Math GPT Queries$2.99
None

Systems Study

No in-app purchases

Questions

Is Graphing Calculator Plus AI free?
Graphing Calculator Plus AI costs $5.99, and also offers in-app purchases.
Is Systems Study free?
Systems Study is free to download, with no in-app purchases.
Do Graphing Calculator Plus AI or Systems Study have ads?
Neither Graphing Calculator Plus AI nor Systems Study shows ads.
Which is updated more often, Graphing Calculator Plus AI or Systems Study?
Graphing Calculator Plus AI ships an update every 2 months, and Systems Study every 2 months. Most recently, Graphing Calculator Plus AI was updated on October 14, 2026 and Systems Study on September 30, 2026.

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