Comparison

Goodman FAD vs CASIO ClassPad

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

Head to head
About

Goodman FAD

Features
Read full description

Goodman FAD – Fatigue Analysis Diagram Perform fatigue strength analysis with ease. • Supports two calculation methods: • Residual Stress Method • Nominal Mean Stress Method • Automatically generates the Goodman Diagram once parameters are entered. • Calculates and displays intersection points directly on the diagram. • Provides formulas to clarify each calculation step. • Save and restore your analysis parameters for repeat use. Goodman FAD is a practical tool for engineers and students working on fatigue strength evaluations.

About

CASIO ClassPad

Perform complex calculations, graph functions, and utilize a computer algebra system for mathematical exploration. This app offers a suite of tools for math and science learning, including dynamic visualizations and advanced functions. It's designed to enhance mathematical understanding for students and educators.

Highlights
  • Complex calculations
  • Graphing functions
  • Computer Algebra System (CAS)
  • eActivity worksheets
  • Spreadsheet analysis
  • Geometry tools
  • Periodic table and constants
Features
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●App Overview ClassPad 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 ClassPad, a tool used in classrooms worldwide. This app will be beneficial for both new and experienced ClassPad users. ClassPad 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 ClassPad 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/

Screenshots

Goodman FAD4 screens
CASIO ClassPad4 screens

Verdict

The call

The clearest difference is price: CASIO ClassPad at Free against Goodman FAD's $1.99. Goodman FAD's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.6). 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

CASIO ClassPad is free to download; Goodman FAD costs $1.99 up front. CASIO ClassPad sells 1 in-app purchase, starting at $1.99 per month. Goodman FAD asks for nothing beyond the download.

UpkeepUpdate frequency

Goodman FAD ships an update every 10 months, CASIO ClassPad every 7 months. The most recent releases landed on July 7, 2026 and September 15, 2026 respectively.

Scorecard3 real differences · 7 level
Goodman FAD versus CASIO ClassPad: the parameters behind the verdict, then further details
ParameterGoodman FADCASIO ClassPad
Price$1.99Free — better
Rating—3.4 (11 ratings) — better
Positive reviews—17.6% of reviews
Number of ratings—11 — better
Update frequencyEvery 10 monthsEvery 7 months — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Subscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size14 MB56 MB
Age rating4+4+
DeveloperDRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STICASIO COMPUTER CO., LTD.

In-app purchases

None

Goodman FAD

No in-app purchases

1 purchases

CASIO ClassPad

Subscriptions1
  • ClassPad 1 Month Subscription$1.991 Month

Questions

Is Goodman FAD free?
Goodman FAD costs $1.99, with no in-app purchases.
Is CASIO ClassPad free?
CASIO ClassPad is free to download, with in-app purchases available.
Do Goodman FAD or CASIO ClassPad have ads?
Neither Goodman FAD nor CASIO ClassPad shows ads.
Which is updated more often, Goodman FAD or CASIO ClassPad?
Goodman FAD ships an update every 10 months, and CASIO ClassPad every 7 months. Most recently, Goodman FAD was updated on July 7, 2026 and CASIO ClassPad on September 15, 2026.

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