Comparison

FX Calculus Problem Solver vs Calculus

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

Calculus

Learn calculus comprehensively through 10 chapters and reinforce your understanding with an interactive quiz game. This app caters to both beginners and advanced learners, offering hints and challenging problems. Enjoy a clear, adaptable interface with font size adjustments and light/dark mode support.

Highlights
  • 10-chapter calculus curriculum
  • Interactive calculus quiz game
  • Beginner to advanced learning paths
  • Adjustable font size
  • Light and dark mode support
  • Covers differentiation, integration, and differential equations
Read full description

Study Calculus from A to Z in 10 chapters, all in one app! Then play the in-app Calculus Quiz game to perfect your skills. One Level builds the necessary knowledge for the next Level as you advance. - Suitable for BEGINNERS: Teach yourself Calculus from Zero to the level of a Pro using the HINTS provided. - Adequate for the PROs: Revise and consolidate your Calculus knowledge while facing off with real Pure Math challenges. - Enjoy crisp clear Math text that adjusts its Font size and adapts to both Light and Dark Mode. Featured topics: - Differentiation 1: Curve gradient, Tangents and Normals, Velocity and Acceleration - Differentiation 2: Maxima and Minima, Curve sketching, Second derivative, Small changes - Integration: Reverse differentiation, Area under a curve, Definite integrals, Solids of Revolution, Centres of gravity - Further differentiation: Chain rule, Products and Quotients, Implicit functions, Parameters, Second derivatives - Trigonometry: Radian measure, Trigonometry derivatives, Inverse trigonometry, General solutions - Further Integration 1: Function and derivative, Change of variable, Parameters, Inverse trigonometry - Exponential and Log functions: The exponential function, Deriving y = e^x, The natural logarithm, Logarithmic differentiation - Partial fractions: Linear factors, Quadratic factors, Repeated roots, Improper fractions - Further Integration 2: Integration by parts, Taking dv/dx as 1, Variable t = tan(x/2), Splitting the numerator - Differential equations: Separating variables, Integrating factor, Homogenous equations, Differential problems

Screenshots

FX Calculus Problem Solver4 screens
Calculus4 screens

Verdict

The call

The clearest difference is in-app purchases: FX Calculus Problem Solver at none against Calculus's 13. FX Calculus Problem Solver also leads on update cadence (every 5 months vs every 16 months) and ratings volume (78 vs 4). On price, rating, ads and monetization model 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. Calculus sells 13 one-off in-app purchases. FX Calculus Problem Solver asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.4 for FX Calculus Problem Solver against 3.5 for Calculus. That said, the two scores are not equally well evidenced: FX Calculus Problem Solver has 78 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 48% of FX Calculus Problem Solver's written reviews are positive against 33% of Calculus's.

UpkeepUpdate frequency

FX Calculus Problem Solver ships an update every 5 months, Calculus every 16 months. The most recent releases landed on September 20, 2026 and July 19, 2026 respectively.

Scorecard5 real differences · 5 level
FX Calculus Problem Solver versus Calculus: the parameters behind the verdict, then further details
ParameterFX Calculus Problem SolverCalculus
PriceFreeFree
Rating3.4 (78 ratings)3.5 (4 ratings) — better
Positive reviews48.5% of reviews — better33.3% of reviews
Number of ratings78 — better4
Update frequencyEvery 5 months — betterEvery 16 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size35 MB40 MB
Age rating4+4+
DeveloperEuclidus IncRichard Ssenyonjo

Customer experience

FX Calculus Problem Solver

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

Calculus

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews6 reviews
Positive33.3%
Neutral16.7%
Negative50.0%

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

Calculus

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

FX Calculus Problem Solver

No in-app purchases

13 purchases

Calculus

One-time13
  • Get 1,000 Coins$0.99
  • Get 5,000 Coins$1.99
  • Get 10,000 Coins$2.99
Show 10 more
  • Unlock Calculus 1$2.99
  • Unlock Calculus 2$2.99
  • Unlock Calculus 3$2.99
  • Unlock Chapter 5$2.99
  • Unlock Calculus 8$2.99
  • Unlock Calculus 9$2.99
  • Unlock Calculus 4$2.99
  • Unlock Calculus 6$2.99
  • Unlock Calculus 7$2.99
  • Unlock Calculus 10$2.99

Questions

Is FX Calculus Problem Solver free?
FX Calculus Problem Solver is free to download, with no in-app purchases.
Is Calculus free?
Calculus is free to download, with in-app purchases available.
Which has better reviews, FX Calculus Problem Solver or Calculus?
Calculus is rated higher. FX Calculus Problem Solver averages 3.4 out of 5 from 78 ratings, while Calculus averages 3.5 from 4 ratings.
Do FX Calculus Problem Solver or Calculus have ads?
Neither FX Calculus Problem Solver nor Calculus shows ads.
Which is updated more often, FX Calculus Problem Solver or Calculus?
FX Calculus Problem Solver ships an update every 5 months, and Calculus every 16 months. Most recently, FX Calculus Problem Solver was updated on September 20, 2026 and Calculus on July 19, 2026.

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