FX Calculus Problem Solver vs Calculus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Animated step-by-step solutions
- Scientific calculator
- Graphing calculator
- Automatic problem solving
- Math problem expression editor
- Over 1,000 sample problems
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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
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.
- 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
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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
Verdict
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
Both are free to download. Calculus sells 13 one-off in-app purchases. FX Calculus Problem Solver asks for nothing beyond the download.
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.
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.
| Parameter | FX Calculus Problem Solver | Calculus |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (78 ratings) | 3.5 (4 ratings) — better |
| Positive reviews | 48.5% of reviews — better | 33.3% of reviews |
| Number of ratings | 78 — better | 4 |
| Update frequency | Every 5 months — better | Every 16 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 35 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Euclidus Inc | Richard Ssenyonjo |
Customer experience
FX Calculus Problem Solver
Calculus
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
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- 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
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- 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
FX Calculus Problem Solver
No in-app purchases
Calculus
- Get 1,000 Coins$0.99
- Get 5,000 Coins$1.99
- Get 10,000 Coins$2.99
Show 10 moreShow fewer
- 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?
Is Calculus free?
Which has better reviews, FX Calculus Problem Solver or Calculus?
Do FX Calculus Problem Solver or Calculus have ads?
Which is updated more often, FX Calculus Problem Solver or Calculus?
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