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.
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.
- Scientific and graphing calculator
- AI-powered math assistant
- Complex number calculations
- Equation solver
- Unit converter
- Matrix operations
- Statistical analysis and regression
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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…
Systems Study
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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
Verdict
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
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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.
| Parameter | Graphing Calculator Plus AI | Systems Study |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 4.6 (12K ratings) — better | — |
| Positive reviews | 78.2% of reviews | — |
| Number of ratings | 12K — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #97 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 13 MB | 4 MB |
| Age rating | 4+ | 17+ |
| Developer | Incpt.Mobis | Craig 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
Graphing Calculator Plus AI
- 600 Math GPT Queries$0.99
- 2000 Math GPT Queries$2.99
Systems Study
No in-app purchases
Questions
Is Graphing Calculator Plus AI free?
Is Systems Study free?
Do Graphing Calculator Plus AI or Systems Study have ads?
Which is updated more often, Graphing Calculator Plus AI or Systems Study?
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