Comparison

ClassWiz Calc App QR vs Pocket 991

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

Head to head
About

ClassWiz Calc App QR

This app brings the functionality of Casio's ClassWiz scientific calculators to your smartphone or tablet. Perform advanced calculations, manage spreadsheets, and generate graphs by connecting to Casio's online services. It mirrors the operation of physical calculators and uses QR codes for seamless integration.

Highlights
  • Scientific calculator functions
  • Statistical calculations
  • Spreadsheet management
  • Matrix calculations
  • Graph display
  • QR code reading
  • Textbook-like input
Features
Read full description

The ClassWiz Calc App QR is a mobile app from Casio that enables users to utilize the functions of genuine Casio ClassWiz Series scientific calculators on their smartphone or tablet. Users can use a wide range of ClassWiz functions with ease, including statistical calculations, spreadsheets, matrix calculations and graph display through connectivity with Casio's ClassPad.net online service. ■ Various calculations can be performed. Fractions, trigonometric functions, logarithmic functions and other calculations can be performed simply by inputting as shown in the textbook. Statistical calculations, spreadsheets and matrix calculations can be operated using the intuitive UI. ■ Works just like a physical product The app is operated in the same way as Casio’s physical ClassWiz scientific calculators. ■ ClassWiz QR code reading function for connectivity to online services Users can scan the QR code on a physical ClassWiz scientific calculator to display ClassWiz formulas and graphs through Casio's online service ClassPad.net and to access online instruction manuals. ■ Available models: fx-9910CW fx-570/fx-991CW fx-82/fx-85/fx-350CW fx-570/fx-991EX fx-82/fx-350EX fx-570/fx-991AR X See the website for details. https://edu.casio.com/app/classwiz/license_qr/en ● Note The following operating system (OS) versions are recommended when using the ClassWiz Calc App QR. Correct operation cannot be guaranteed with OS versions other than those listed below. Supported OS versions: iOS 15 or later Supported languages English *1 Even when used with a supported OS version, there may be cases in which the app does not function or display correctly due to factors such as device software updates or device display specifications. *2 The ClassWiz Calc App QR is intended for use on iPhones and iPads. *3 Correct operation cannot be guaranteed on other devices, including feature phones (flip phones). *4 QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and in other countries.

About

Pocket 991

Features
Read full description

A scientific and graphing calculator that shows you which keys to press. Pocket 991 brings together familiar EX- and CW-style scientific-calculator workflows, an independent CG50-style graphing calculator, and a large library of interactive tutorials for A-level Maths and Further Maths students. FOLLOW THE HIGHLIGHTED KEYS Choose a tutorial or ask how to do something. Clear requests start guidance; broader questions offer relevant operations. Follow a worked example on the calculator itself, then take over whenever you are ready. SCIENTIFIC CALCULATOR WORKFLOWS • Polynomial and simultaneous equations • Normal, binomial and Poisson probabilities • Statistics and regression • Matrix and vector calculations • Complex numbers • Numerical integration, differentiation and tables • Fractions, powers and calculator settings CG50-STYLE GRAPHING Explore calculations, graphs, tables, equations, statistics and distributions, matrices, recursion, conics, selected 3D workflows and more. The CG50 learning interface includes 234 worked tutorials with model-specific keys, menus and graphing steps. BUILT FOR YOUR PHONE AND TABLET Full-screen calculator layouts, tactile key feedback, an integrated question keyboard and optional dictation. Calculations and built-in tutorials work offline. Natural-language interpretation uses Apple Intelligence on compatible devices; availability depends on device, operating system, language and settings. Pocket 991 is an independent educational calculator and tutorial tool. It is not official calculator firmware and is not made by or affiliated with a calculator manufacturer. Some specialist modes, interfaces and numerical precision differ from physical calculators. Numerical calculus is supported; general symbolic algebra is not. This is a practice tool, not an examination device.

Screenshots

ClassWiz Calc App QR4 screens
Pocket 9914 screens

Verdict

The call

The clearest difference is price: ClassWiz Calc App QR at Free against Pocket 991's $0.99. ClassWiz Calc App QR also leads on iOS requirement (15.1 vs 17.0). Pocket 991's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

ClassWiz Calc App QR is free to download; Pocket 991 costs $0.99 up front. ClassWiz Calc App QR sells 1 in-app purchase, starting at $14.99 per year. Pocket 991 asks for nothing beyond the download.

UpkeepUpdate frequency

ClassWiz Calc App QR ships an update every 3 months, Pocket 991 fortnightly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
ClassWiz Calc App QR versus Pocket 991: the parameters behind the verdict, then further details
ParameterClassWiz Calc App QRPocket 991
PriceFree — better$0.99
Rating2.1 (8 ratings) — better—
Positive reviews17.6% of reviews—
Number of ratings8 — better—
Update frequencyEvery 3 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size69 MB12 MB
Age rating4+4+
DeveloperCASIO COMPUTER CO., LTD.Charlie Candlish

In-app purchases

1 purchases

ClassWiz Calc App QR

Subscriptions1
  • ClassWiz 1 year Subscription7 Days trial$14.991 Year
None

Pocket 991

No in-app purchases

Questions

Is ClassWiz Calc App QR free?
ClassWiz Calc App QR is free to download, with in-app purchases available.
Is Pocket 991 free?
Pocket 991 costs $0.99, with no in-app purchases.
Do ClassWiz Calc App QR or Pocket 991 have ads?
ClassWiz Calc App QR shows ads; Pocket 991 does not.
Which is updated more often, ClassWiz Calc App QR or Pocket 991?
ClassWiz Calc App QR ships an update every 3 months, and Pocket 991 fortnightly. Most recently, ClassWiz Calc App QR was updated on November 5, 2026 and Pocket 991 on October 31, 2026.

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