# FX Calculus Problem Solver vs Math Problem Solver ∞

The clearest difference is review sentiment: FX Calculus Problem Solver at 48% against Math Problem Solver ∞'s 0%. FX Calculus Problem Solver also leads on in-app purchases (none vs 2) and ads (none vs shown). Math Problem Solver ∞'s advantage is rating (4.7 vs 3.4). On price, ratings volume, update cadence and monetization model there is nothing between them.

Both are free to download. Math Problem Solver ∞ sells 2 in-app purchases, starting at $4.99 per month. FX Calculus Problem Solver asks for nothing beyond the download.

Math Problem Solver ∞ holds the better App Store score, 4.7 against 3.4. Both are backed by a comparable volume of ratings — 78 and 42 respectively. Written reviews complicate that: 48% of FX Calculus Problem Solver's written reviews are positive against 0% of Math Problem Solver ∞'s, so the app with the better star average is not the one people write more warmly about.

FX Calculus Problem Solver ships an update every 5 months, Math Problem Solver ∞ every 6 months. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | FX Calculus Problem Solver | Math Problem Solver ∞ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (78 ratings)](https://appshunter.io/ios/app/fx-calculus-problem-solver/id833967111/reviews) | **[4.7 (42 ratings)](https://appshunter.io/ios/app/math-problem-solver/id1600286790/reviews)** |
| Number of ratings | **78** | 42 |
| Positive reviews | **48.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 29 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Euclidus Inc](https://appshunter.io/developer/490623202) | [Incpt.Mobis](https://appshunter.io/developer/445261166) |

## What reviewers say

### FX Calculus Problem Solver

[App page](https://appshunter.io/ios/app/fx-calculus-problem-solver/id833967111)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent for learning calculus
- 👍 Step-by-step solutions provided
- 👍 Helpful for reviewing concepts
- 👍 Good for checking homework answers
- 👍 Can simplify complex problems

**What reviewers complain about**

- 😞 Frequent crashes and freezing
- 😞 Inaccurate answers for some problems
- 😞 "Scam" due to payment issues
- 😞 Premium version stops working after purchase
- 😞 Paid content is essential

**Reported bugs**

- 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

**Requested features**

- Add summation functionality
- Add trigonometry functions and equations
- Add camera recognition for problems
- Add curve fitting feature
- Add INC and DEC coordinates on graph


### Math Problem Solver ∞

[App page](https://appshunter.io/ios/app/math-problem-solver/id1600286790)

Instantly solve math problems by scanning equations or handwriting. Get detailed step-by-step solutions, graphs, and access to a wide range of math topics from elementary to advanced calculus.

**Highlights:** Scan math problems (photo or handwriting), Handwriting identification and transformation, Step-by-step solution guides, Detailed graphs, Basic calculation mode offline, Scientific calculator, Worksheets with multiple problems

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Steps Solution 1 Month | $4.99 | per month |
| Full Steps Solution 3 Months | $11.99 | per 3 months |


## Frequently asked questions

### Is FX Calculus Problem Solver free?

FX Calculus Problem Solver is free to download, with no in-app purchases.

### Is Math Problem Solver ∞ free?

Math Problem Solver ∞ is free to download, with in-app purchases available.

### Which has better reviews, FX Calculus Problem Solver or Math Problem Solver ∞?

Math Problem Solver ∞ is rated higher. FX Calculus Problem Solver averages 3.4 out of 5 from 78 ratings, while Math Problem Solver ∞ averages 4.7 from 42 ratings.

### Do FX Calculus Problem Solver or Math Problem Solver ∞ have ads?

Math Problem Solver ∞ shows ads; FX Calculus Problem Solver does not.

### Which is updated more often, FX Calculus Problem Solver or Math Problem Solver ∞?

FX Calculus Problem Solver ships an update every 5 months, and Math Problem Solver ∞ every 6 months. Most recently, FX Calculus Problem Solver was updated on September 20, 2026 and Math Problem Solver ∞ on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*