Comparison

FX Calculus Problem Solver vs Derivative Calculator

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

Head to head
About

FX Calculus Problem Solver

Solve calculus homework and textbook problems with this comprehensive math software. It offers animated solution steps, a scientific and graphing calculator, and an intuitive editor for typing in your own problems. Ideal for students preparing for exams.

Highlights
  • Animated step-by-step solutions
  • Scientific calculator
  • Graphing calculator
  • Automatic problem solving
  • Math problem expression editor
  • Over 1,000 sample problems
Features
Read full description

Will guide you how to solve your Calculus homework and textbook problems, anytime, anywhere. FX Calculus Solver is a comprehensive math software, based on an automatic mathematical problem solving engine, and ideal for students preparing term math exams, ACT, SAT, and GRE: - Over 1,000 sample math problems and fully animated solution steps - Scientific calculator supported - Graphing calculator supported - Automatic problem solving and generation of fully animated step-by-step procedures for problems typed in by users - User friendly math problem expression editor (WYSIWYG mode) Math Solver covers problems at the level of College Algebra, Pre-Calculus and Calculus courses: - Matrix - Equations, system of equations - Inequalities - Function - Graphing - Limit - Differentiation - Integration

About

Derivative Calculator

This application helps users evaluate functions through differentiation, offering step-by-step solutions and plots for solved functions. It's designed for students, teachers, and anyone interested in learning calculus concepts.

Highlights
  • Multiple differentiation (up to fifth derivative)
  • Step-by-step solution explanations
  • Example functions for guidance
  • Plots for solved functions
  • User-friendly interface
Features
Read full description

Derivative calculator application helps you to evaluate functions through differentiation. It is a relatively complex topic of calculus and needs utmost understanding and grasp on the concept. But you can use the derivative app to solve and learn to do it yourself. This application can be your savior if you want to complete an assignment on short notice and or in any worst scenario. The differentiation calculator has many features that make it stand out the most among the other applications on the Apple app store. Before heading there, let’s see who can use it? Beginners: By using the differential calculator app to solve the function, any beginner to differentiation can have some practice which will later save them in their tests and exams season. Senior students: Those students who already understand derivatives can still make good use of this application. They can use it to solve their assignments or learn to evaluate any challenging question. Teachers: Yes, even teachers will find this calculator helpful. It can be used to check assignments or remove any ambiguity when you hit a dead end while differentiating. Anyone up for learning: Those who are not a student or teaching in some institute but just want to learn derivatives because they find them interesting (yeah many people love math). Similarly, math article writers can solve examples here which they want to add in their posts. Now, let’s see its top features. Multiple differentiation: You can differentiate the same function for first, second, third, fourth, and fifth derivatives. All you have to do is enter the number in the labeled box. Step-by-Step solution: Not only can you find the answer but this differentiation calculator gives you the complete solution which contains all the steps of the evaluation. This helps those users the most who don’t understand derivatives very much. Example function: This application can be used by any newbie, the one who faces difficulty in typing functions. The example functions can give them basic know-how in that regard. Plots: One plus point of downloading this particular derivative calculator is that you get a plot for almost every solved function. These were some of the many features. Lastly, we will tell you how to use this calculator. 1. Enter the function. Take help from examples if you have any confusion. 2. Choose the variable. 3. Enter the number of derivatives. 4. And click calculate. Hope you enjoy this app. Your feedback and suggestions are always welcome.

Screenshots

FX Calculus Problem Solver4 screens
Derivative Calculator3 screens

Verdict

The call

The clearest difference is review sentiment: FX Calculus Problem Solver at 48% against Derivative Calculator's 0%. FX Calculus Problem Solver also leads on update cadence (every 5 months vs every 11 months). Derivative Calculator's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

FX Calculus Problem Solver ships an update every 5 months, Derivative Calculator every 11 months. The most recent releases landed on September 20, 2026 and June 1, 2026 respectively.

Scorecard3 real differences · 7 level
FX Calculus Problem Solver versus Derivative Calculator: the parameters behind the verdict, then further details
ParameterFX Calculus Problem SolverDerivative Calculator
PriceFreeFree
Rating3.4 (78 ratings) — better—
Positive reviews48.5% of reviews — better0.0% of reviews
Number of ratings78 — better—
Update frequencyEvery 5 months — betterEvery 11 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.010.0 — better
Further details — not scored
Size35 MB29 MB
Age rating4+4+
DeveloperEuclidus IncAhmad Sattar

Customer experience

FX Calculus Problem Solver

All ratings77 ratings
Positive57.1%
Neutral11.7%
Negative31.2%
Written reviews66 reviews
Positive48.5%
Neutral10.6%
Negative40.9%

Derivative Calculator

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

FX Calculus Problem Solver

Reported bugs

15 issues
  • App crashes when launching animated solutions board
  • App crashes after solving 2-3 operations
  • App freezes when clicking solve button
  • App crashes when hitting solve button
  • App stops working after paying for premium
Show 10 more
  • App asks for Apple ID password repeatedly after purchase
  • App gives wrong answers for simple differential problems
  • App crashes when trying more complicated integrals
  • Menus won't unexpand
  • App crashes on iPhone 6 plus
  • App freezes when creating big complex functions
  • Trig functions needed were not there
  • Keeps saying input was wrong or couldn't be calculated
  • Distributing ln across addition function incorrectly
  • Cannot graph more than half of the equations

Requested features

11 requests
  • Add summation functionality
  • Add trigonometry functions and equations
  • Add camera recognition for problems
  • Add curve fitting feature
  • Add INC and DEC coordinates on graph
Show 6 more
  • Add MiN and Maxima to graph
  • Add dy/dx button for implicit differentiation
  • Add tutorial on how to use the app
  • Improve cube root input method
  • Add dark mode option
  • Allow saving keyboard layout

Derivative Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

FX Calculus Problem Solver

No in-app purchases

None

Derivative Calculator

No in-app purchases

Questions

Is FX Calculus Problem Solver free?
FX Calculus Problem Solver is free to download, with no in-app purchases.
Is Derivative Calculator free?
Derivative Calculator is free to download, with no in-app purchases.
Do FX Calculus Problem Solver or Derivative Calculator have ads?
Neither FX Calculus Problem Solver nor Derivative Calculator shows ads.
Which is updated more often, FX Calculus Problem Solver or Derivative Calculator?
FX Calculus Problem Solver ships an update every 5 months, and Derivative Calculator every 11 months. Most recently, FX Calculus Problem Solver was updated on September 20, 2026 and Derivative Calculator on June 1, 2026.

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