CASIO fx vs GraphMath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CASIO fx
This app provides advanced mathematical and scientific calculation tools, including graphing and a computer algebra system. It offers a user interface similar to the handheld fx-CG500, with access to various applications like eActivity, Spreadsheet, Geometry, and Physium. It's designed to enhance learning for both new and experienced users.
- Complex calculations
- Graph drawing
- Computer Algebra System (CAS)
- eActivity for worksheets
- Spreadsheet with statistical analysis
- Geometry with animations
- Physium periodic table and constants
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●App Overview fx-CG500 comes equipped to perform complex calculations, draw graphs, and to use a computer algebra system (CAS) to investigate mathematics and solve problems. It has a user interface in the style of the handheld fx-CG500, a tool used in classrooms worldwide. This app will be beneficial for both new and experienced fx-CG500 users. fx-CG500 in combination with the free activities available from CASIO can help to take your study of mathematics to the next level. ●Trial Version vs Monthly Subscription Version After you register for a fx-CG500 Subscription, you will be provided access to a variety of different apps and functions that are essential for math and natural science learning and calculation. ・Applications You get access to a selection of more than 10 new apps that allow you to perform calculations using dynamic visual representations of math and natural science concepts. Four typical applications, each of which is essential for math and natural science learning and calculations, are described below. -eActivity eActivity lets you input math expressions and textual explanations in files that can then be used as worksheets. -Spreadsheet In addition to standard spreadsheet calculations, this app also provides statistical chart analysis and statistical calculation capabilities. -Geometry Geometry makes it possible for students to grasp relationships between figures using number tables and animations. -Physium Physium provides access to a periodic table and scientific constants for calculations. ・Functions You get additional access to more than 300 middle and higher grade math functions, including calculus, complex numbers, probability distribution, and more. ●Monthly Subscription ・Subscription Fee and Period A subscription costs $1.99 per month (calculated from your date of purchase), automatically renewed each month until you cancel your subscription. Billing is through your iTunes account. ・Automatic Renewal Details Subscriptions are renewed automatically as long as the subscriber does not cancel the subscription at least 24 hours before the end of the current subscription period. Billing for an automatically renewed subscription will be performed within 24 hours after the auto renewal. ・Checking Your Current Subscription Status and Canceling a Subscription (by Stopping Auto Renewal) You can check your current subscription status by navigating to the applicable page as shown below. [Settings > iTunes & App Store > Tap your Apple ID. > View Apple ID > Subscriptions] On the page that appears, you can check your next auto renewal date, and cancel or reconfigure your auto renewal. *You can also use iTunes to check your next auto renewal date, and cancel or reconfigure your auto renewal. ・Partial Month Cancellation Cancellation of a subscription partway through a month is not allowed. ・Terms of use http://edu.casio.com/software_app/app/termsofuse/en.html ・Privacy Policy http://world.casio.com/privacy/
GraphMath
This powerful graphing calculator visualizes complex mathematical functions in 2D and 3D. Explore Cartesian, cylindrical, and spherical coordinates with animated graphs and detailed tables of points. It offers features like derivatives, integrals, and intersections for comprehensive mathematical analysis.
- 3D graphing (Cartesian, Cylindrical, Spherical)
- 2D graphing (Cartesian, Polar, Parametric)
- Animated graphs
- Detailed point tables
- Derivative and integral calculations
- Intersection point finding
- Undo/redo functionality
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This graphing calculator is user friendly and powerful. It is fully compatible with iOS 14 and 15, and mostly compatible with iOS 13 and Mac OS. Cartesian 3D Z = F (X, Y) functions: ——————————————————— Graphs can be: 1. Drawn as surface, lines, or dots. 2. Drawn with or without perspective, and with different light and reflection settings. 3. Tilted up or down. 4. Rotated to any position. 5. Drawing is animated by either X, Y, or Z. Table of all points can be sorted by either X or Y. Cylindrical 3D Z = F (Θ, R) functions: ——————————————————— Graphs can be: 1. Drawn as surface, lines, or dots. 2. Drawn with or without perspective, and with different light and reflection settings. 3. Tilted up or down. 4. Rotated to any position. 5. Drawing is animated by Θ, R, or Z. Table of all points can be sorted by either Θ or R. Spherical 3D R = F (Θ, Φ) functions: ——————————————————— Graphs can be: 1. Drawn as surface, lines, or dots. 2. Drawn with or without perspective, and with different light and reflection settings. 3. Tilted up or down. 4. Rotated to any position. 5. Drawing is animated by either Θ or Φ. Table of all points can be sorted by Θ, Φ, or R. Cartesian 2D Y = F (X) functions: ———————————————— Graph displays the following curves: 1. One or two Y = F (X) functions. 2. Derivative of the first function. 3. Integral of the first function as a shade and a curve. Graph features: 1. Drawing is animated by X. 2. Clicking on the curves shows curve values, and finds closest point in the table. Tables: 1. All function, integral, and derivative values. 2. Zero intersections of first function. 3. Intersections between first and second functions. Polar 2D R = F (Θ) functions: ——————————————— Graph displays the following curves: 1. One or two R = F (Θ) functions. 2. Integral of the first function as a shade and a curve. Graph features: 1. Drawing is animated by Θ. 2. Clicking on the curves shows curve values, and finds closest point in the table. Tables: 1. Table of all function and integral values 2. Table of zero intersections of first function. 3. Table of intersections between first and second functions. Parametric 2D X = F1 (T), Y = F2 (T) functions: ————————————————————————— Graph features: 1. Drawing is animated by T. 2. Clicking on the curves shows T, X, and Y values, and finds them in the table. Table of all points. F (X, Y) = 0 equations: ———————————— Graph displays solutions as points. Clicking on the points shows X, and Y values, and finds them in the table. Table of all points. Common features: —————————— 1. List of previous entries. 2. List of preset entries. 3. Undo and redo buttons for formula entries. 4. Automatic correction of errors in function limits or steps are offered. 5. All function points can be saved to clipboard in a table format. 6. All function points can be displayed on corresponding graphs. 7. Control colors can be changed to black and white. 8. Link to Vectors and Planes 3D Geometry Guide App. 9. Link to Matrix Calculator Step by Step App. Common features of all images: 1. Animation frames can be frozen and moved back or forward. 2. Animation speed can be adjusted. 3. Zoom. 4. Scroll. 5. Save to Clipboard. 6. Save to Photos 7. Color picker. New functions and further UI improvements for our apps are coming! Developers hope to get feedback at graphmath@aol.com.
Screenshots
Verdict
The clearest difference is review sentiment: GraphMath at 100% against CASIO fx's 33%. GraphMath also leads on rating (5.0 vs 2.7) and in-app purchases (none vs 1). CASIO fx's advantage is iOS requirement (12.0 vs 15.6). On price, ratings volume, 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
Both are free to download. CASIO fx sells 1 in-app purchase, starting at $1.99 per month. GraphMath asks for nothing beyond the download.
GraphMath holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 9 and 12 respectively. Written reviews point the same way: 33% of CASIO fx's written reviews are positive against 100% of GraphMath's.
CASIO fx ships an update every 6 months, GraphMath fortnightly. The most recent releases landed on June 10, 2026 and September 17, 2026 respectively.
| Parameter | CASIO fx | GraphMath |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (9 ratings) | 5.0 (12 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 | 12 — better |
| Update frequency | Every 6 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 54 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | CASIO COMPUTER CO., LTD. | Yuri Morozov |
Customer experience
CASIO fx
GraphMath
In-app purchases
CASIO fx
- fx-CG500 1 Month Subscription$1.991 Month
GraphMath
No in-app purchases









