# FX Calculus Problem Solver vs Calculus Solver

The clearest difference is review sentiment: FX Calculus Problem Solver at 48% against Calculus Solver's 0%. FX Calculus Problem Solver also leads on in-app purchases (none vs 4) and update cadence (every 5 months vs every 21 months). Calculus Solver's advantage is rating (4.2 vs 3.4). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Calculus Solver sells 4 in-app purchases, starting at $4.99 per 7 days. FX Calculus Problem Solver asks for nothing beyond the download.

Calculus Solver holds the better App Store score, 4.2 against 3.4. Both are backed by a comparable volume of ratings — 78 and 30 respectively. Written reviews complicate that: 48% of FX Calculus Problem Solver's written reviews are positive against 0% of Calculus 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, Calculus Solver every 21 months. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | FX Calculus Problem Solver | Calculus Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (78 ratings)](https://appshunter.io/ios/app/fx-calculus-problem-solver/id833967111/reviews) | **[4.2 (30 ratings)](https://appshunter.io/ios/app/calculus-solver-calculus-ai/id6737236212/reviews)** |
| Number of ratings | **78** | 30 |
| Positive reviews | **48.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 21 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 49 MB |
| Requires iOS | **11.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Euclidus Inc](https://appshunter.io/developer/490623202) | [East Frisia LLC](https://appshunter.io/developer/547826578) |

## 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


### Calculus Solver

[App page](https://appshunter.io/ios/app/calculus-solver-calculus-ai/id6737236212)

Instantly solve calculus problems with AI. Get detailed, step-by-step solutions for derivatives, integrals, limits, and more. Perfect for students needing homework help or exam preparation.

**Highlights:** AI-powered calculus problem solving, Photo and manual input methods, Detailed step-by-step explanations, Instant and accurate results, Covers derivatives, integrals, limits, and more, Ideal for students and self-study

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly | $4.99 | per 7 days |
| Premium - Monthly | $12.99 | per month |
| Premium - Yearly Discount | $14.99 | per year |
| Premium - Yearly | $29.99 | per year |


## Frequently asked questions

### Is FX Calculus Problem Solver free?

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

### Is Calculus Solver free?

Calculus Solver is free to download, with in-app purchases available.

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

Calculus Solver is rated higher. FX Calculus Problem Solver averages 3.4 out of 5 from 78 ratings, while Calculus Solver averages 4.2 from 30 ratings.

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

Neither FX Calculus Problem Solver nor Calculus Solver shows ads.

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

FX Calculus Problem Solver ships an update every 5 months, and Calculus Solver every 21 months. Most recently, FX Calculus Problem Solver was updated on September 20, 2026 and Calculus Solver on September 9, 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.*