Comparison

GraphNCalc84 vs Sanboouk

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

Head to head
About

GraphNCalc84

This app provides a comprehensive graphing and scientific calculator experience on your mobile device. It allows you to graph multiple functions, solve equations, perform statistical analysis, and work with matrices, all with a familiar interface. Ideal for students and anyone needing advanced calculation capabilities on the go.

Highlights
  • Graph multiple functions with different colors
  • Solve equations and find integrals
  • Perform advanced scientific calculations
  • Work with matrices and solve linear systems
  • Conduct statistical analysis and regressions
  • Enter calculations in natural textbook format
Features
Currently charting
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A full-featured graphing calculator: Graph and investigate functions, solve equations, work with statistics, distributions, matrices and much more. FIVE REASONS WHY YOU NEED THIS APP 1. Keyboard and command syntax similar to physical graphing calculators -> No need to learn a new calculator. 2. Powerful emulator like Wabbitemu Calculator -> No more waiting to graph functions compared to slow physical handhelds. 3. Enter fractions, equations or functions in the same way as you would write them on paper. 4. Never forget your calculator at home! It's always ready on your iPhone & iPad, and it weighs nothing. 5. High-resolution graphs FULL GRAPHING CALCULATOR • Graph more than ten functions at once, each with a different color • Add Lines, Horizontals, Verticals, and Tangents to the graph • Use your finger or the arrow keys to trace the coordinates of your functions • Calculate the Zero, Minimum, Maximum, Intersection, and Derivative • Find integrals and color the area under the function • Set the X and Y coordinates of the graphing window; zoom in and out with your fingers ADVANCED SCIENTIFIC CALCULATOR • Enter calculations in natural textbook format • Includes all basic arithmetic (+, -, x, ÷, ^, ², √, π, …) • Use advanced functions like sin, cos, tan, e, ln, Σ, ... • Scroll your calculation history and modify existing calculations with one tab • Store and recall variables • Quadratic Equation Solver MATRIX CALCULATOR • Work with matrices the easy way -> store them or enter them directly on the calculator interface • Do basic matrix arithmetic operations like addition, subtraction, multiplication or power of a Matrix • Put the matrix into Reduced Row-Echelon Form and solve linear equation systems • Calculate the determinant, inversion or transpose the matrix STATISTICS AND LISTS • Use lists for all basic and trigonometric ​operations • Enter lists using the Statistics List Editor or use curly brackets on the main screen • Perform 1- and 2- Variable Stats • Investigate your lists: min, max, mean, median, sum, product, standard deviation, and variance.​ • Do regressions with best-fit lines: LinReg, QuadReg, CubicReg, QuartReg, ExpReg • Work with distributions: Normal, Poisson and Binomial TUTORIAL AND CATALOG • Easy to understand tutorial to get started • Full Catalog of all commands with syntax, example, and possible error messages • Tab on highlighted math terms to read on point definitions PERFECT FOR HIGH SCHOOL & COLLEGE STUDENTS • Recommended by teachers to use in math classes • Pre-Algebra, Algebra 1 & 2 • Pre-Calculus, Calculus • Statistics • Permitted on SAT/ ACT/ AP (your phone might not be permitted, but you can use the app for homework and borrow an actual calculator from your school for the test)

About

Sanboouk

Features
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Sanboouk is a groundbreaking platform designed to connect students and talents across education, sports, music, and dance. Our mission is to create a vibrant, inclusive, and accessible space where learning and growth are celebrated. With a focus on delivering high-quality lessons and personalized experiences, Sanboouk empowers users to achieve their goals and explore their passions with the guidance of expert professionals. Founded by experienced teachers and instructors with a shared vision, Sanboouk bridges the gap between learners and specialists by offering a secure, easy-to-use app that facilitates seamless bookings and communication. Our platform allows talents to showcase their skills and clients to conveniently book private lessons, whether in-person or online. What We Offer: Diverse Categories: Specialists in education, sports, music, and dance cater to a wide range of interests and needs. Convenience: An integrated availability calendar and booking system make scheduling lessons simple and efficient. Security: Advanced technology protects course content and ensures safe interactions between users. Flexibility: Options for online or in-person lessons, as well as pre-recorded lessons (courses) to provide tailored learning experiences. Global Reach: With access to international markets, Sanboouk connects users across borders. At Sanboouk, we believe in unlocking potential through collaboration, innovation, and a shared passion for learning. Whether you're pursuing academic excellence, refining your craft, or discovering a new hobby, Sanboouk is your trusted partner on the journey to success.

Screenshots

GraphNCalc844 screens
Sanboouk4 screens

Verdict

The call

The clearest difference is price: Sanboouk at Free against GraphNCalc84's $9.99. GraphNCalc84's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 2 months). On ads, device support and iOS requirement 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

Sanboouk is free to download; GraphNCalc84 costs $9.99 up front. Sanboouk sells 2 one-off in-app purchases. GraphNCalc84 asks for nothing beyond the download.

UpkeepUpdate frequency

GraphNCalc84 ships an update fortnightly, Sanboouk every 2 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 7 level
GraphNCalc84 versus Sanboouk: the parameters behind the verdict, then further details
ParameterGraphNCalc84Sanboouk
Price$9.99Free — better
Rating4.9 (14 ratings) — better—
Positive reviews39.3% of reviews—
Number of ratings14 — better—
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
Best chart rank#92 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better13.4
Further details — not scored
Size41 MB39 MB
Age rating4+4+
DeveloperDi Venisco UG (haftungsbeschrankt)Mamac Group

Bugs and requests

GraphNCalc84

Reported bugs

4 issues
  • Cursor/input issues
  • Crashes and freezes
  • Inaccurate calculation results
  • Missing key functions

Requested features

5 requests
  • Add support for more advanced functions (stats, distributions, etc.)
  • Improve stability and reduce crashes/freezes
  • Enhance cursor/input responsiveness
  • Add iPad-specific features (landscape mode, multitasking)
  • Provide a more complete TI-84 emulation

Sanboouk

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

GraphNCalc84

No in-app purchases

2 purchases

Sanboouk

One-time2
  • Sanboouk Lesson$5.00
  • Sanboouk Course$10.00

Questions

Is GraphNCalc84 free?
GraphNCalc84 costs $9.99, with no in-app purchases.
Is Sanboouk free?
Sanboouk is free to download, with in-app purchases available.
Do GraphNCalc84 or Sanboouk have ads?
Neither GraphNCalc84 nor Sanboouk shows ads.
Which is updated more often, GraphNCalc84 or Sanboouk?
GraphNCalc84 ships an update fortnightly, and Sanboouk every 2 months. Most recently, GraphNCalc84 was updated on November 6, 2026 and Sanboouk on November 4, 2026.

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