Comparison

Quadratic Master vs Implicit Differentiation Cal

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

Head to head
About

Quadratic Master

This app helps users solve and learn about quadratic equations, inequations, and functions. It offers tools for students and professionals, including solvers, formulas, and visual aids like 3D parabola models. Share solutions and explore function graphs with this educational math tool.

Highlights
  • Quadratic equation solver
  • Quadratic inequation solver
  • Quadratic function solver
  • 3D rotating parabola model
  • Graph mixer
  • Detailed solution explanations
Features
Read full description

Quadratic Master is the best app for solving and learning quadratic equations, inequations, and functions on your iPhone. Whether you are a high-school student currently learning about quadratics in your math class or somebody who needs to solve quadratic functions on a regular basis, Quadratic Master is for you. Main benefits: • Save time on your math homework • Learn about quadratics in just a fraction of time • Share solutions with your classmates. Free version offers: • Quadratic equation solver (roots, discriminant, factorization) • Formulas and guide for manually solving quadratic equations • Quadratic inequation solver Quadratic function solver (Vertex form) 3D rotating model of parabola for better understanding of quadratics in geometry Full version provides: • Detailed solution for quadratic equations • Quadratic function solver - general and factored form • Explanations and formulas for all quadratic function properties • Quadratic inequation solver with ≥ and ≤ inequality • Graph mixer - the perfect tool to play with and explore quadratic function graphs Rapid-fast solving with Single-digit input mode The full version is available for a small one-time fee. - - - - - I’ve built Quadratic Master back in 2009 when I was in high school and I was learning about quadratic equations in my math class. It is the first app I’ve ever built, and at the risk of sounding cheesy - it still holds a special place in my heart. Even though it was never a significant moneymaker, I’ve kept it updated throughout the years. And I’m happy to say that it has attained over 95.000 downloads to date. If you enjoy using the app, please consider buying the full version. Thank you. - Lukas Petr, author of Quadratic Master

About

Implicit Differentiation Cal

Features
Read full description

Download this implicit differentiation calculator with steps to find the solution to complex derivative questions. What is the implicit derivative calculator? This application works as a math/calculus tool for computing the differentiation solutions. It is detailed and includes almost every option one might require during computation. What is implicit differentiation? One of the most complex topics alongside limits and integrals. Implicit differentiation is a type of finding derivatives i.e the rate of change with respect to some value (variable). It involves functions that are implicit in nature and performing differentiation on them. How to solve implicit derivatives? If you ever face an implicit differentiation question then the dy/dx calculator is always there for your rescue. Those who want to solve derivatives manually will have to learn the rules of differentiation and require a lot of practice. Which, again, is possible if you download this particular application. How to use this application? The developers have programmed this implicit derivative calculator with steps very easy to use but as mentioned before, the derivation is a complicated topic. Therefore, it is necessary to pay attention to the instructions below if you want this tool to operate accurately. 1. Enter the values of function f and g. 2. Choose the variable. 3. Review the equation from the display box. 4. Click calculate. Make sure that the selected variable is a part of the entered function. Features of this application: Let’s shed some light on the main features of this application to convince you of its fineness. 1. Easy interface to allow beginners to use it without any problem. This app has high usability which makes it an ideal choice for everyone. 2. Examples to give users an idea of implicit differentiation questions and their solutions. 3. The results of this application are a game-changer without any doubt. It is common for derivative calculators to give steps but this application has more to offer. Not only do you get the steps but also an explanation for each step. This is useful for newbies. It will help them to learn more about differentiation and its rules. 1. Keyboard for math functions like trigonometric, exponents e.t.c

Screenshots

Quadratic Master4 screens
Implicit Differentiation Cal4 screens

Verdict

The call

The clearest difference is in-app purchases: Implicit Differentiation Cal at none against Quadratic Master's 1. Implicit Differentiation Cal also leads on iOS requirement (13.0 vs 16.0). On price, 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

Both are free to download. Quadratic Master sells 1 one-off in-app purchase. Implicit Differentiation Cal asks for nothing beyond the download.

UpkeepUpdate frequency

Quadratic Master ships an update every 5 months, Implicit Differentiation Cal every 9 months. The most recent releases landed on September 20, 2026 and December 5, 2025 respectively.

Scorecard2 real differences · 8 level
Quadratic Master versus Implicit Differentiation Cal: the parameters behind the verdict, then further details
ParameterQuadratic MasterImplicit Differentiation Cal
PriceFreeFree
Rating4.6 (333 ratings) — better—
Positive reviews73.5% of reviews—
Number of ratings333 — better—
Update frequencyEvery 5 months — betterEvery 9 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size4 MB24 MB
Age rating4+4+
DeveloperLukas PetrAhmad Sattar

Bugs and requests

Quadratic Master

Reported bugs

10 issues
  • Input keypad incomplete after iOS update
  • App not working/unusable
  • Cannot enter problems
  • Not showing in app library
  • Cannot change addition to subtraction
Show 5 more
  • Flipped positive and negative of a specific factor
  • App crashes when trying to open
  • Wouldn't let me open the app
  • Pictures are just for show
  • Does not graph quadratic functions

Requested features

3 requests
  • Ability to use large decimals/scientific notation
  • Cooler icon
  • Change standard formula to vertex form

Implicit Differentiation Cal

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Quadratic Master

One-time1
  • Full version$3.99
None

Implicit Differentiation Cal

No in-app purchases

Questions

Is Quadratic Master free?
Quadratic Master is free to download, with in-app purchases available.
Is Implicit Differentiation Cal free?
Implicit Differentiation Cal is free to download, with no in-app purchases.
Do Quadratic Master or Implicit Differentiation Cal have ads?
Neither Quadratic Master nor Implicit Differentiation Cal shows ads.
Which is updated more often, Quadratic Master or Implicit Differentiation Cal?
Quadratic Master ships an update every 5 months, and Implicit Differentiation Cal every 9 months. Most recently, Quadratic Master was updated on September 20, 2026 and Implicit Differentiation Cal on December 5, 2025.

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