# FX Calculus Problem Solver vs Calculus Solver

The clearest difference is rating: Calculus Solver at 4.2 against FX Calculus Problem Solver's 3.4. Calculus Solver also leads on update cadence (every 2 months vs every 5 months). FX Calculus Problem Solver's advantage is in-app purchases (none vs 2) and ratings volume (78 vs 5). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Calculus Solver sells 2 in-app purchases, starting at $5.99 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. That said, the two scores are not equally well evidenced: FX Calculus Problem Solver has 78 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 48% of FX Calculus Problem Solver's written reviews are positive against 50% of Calculus Solver's.

FX Calculus Problem Solver ships an update every 5 months, Calculus Solver every 2 months. The most recent releases landed on October 15, 2026 and September 30, 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 (5 ratings)](https://appshunter.io/ios/app/calculus-solver-math-helper/id6738013581/reviews)** |
| Number of ratings | **78** | 5 |
| Positive reviews | 48.5% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 35 MB | 23 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Euclidus Inc](https://appshunter.io/developer/490623202) | [Renaissance Apps LLC](https://appshunter.io/developer/1220536592) |

## 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-math-helper/id6738013581)

Instantly solve calculus problems with AI-powered step-by-step explanations. Upload or photograph your math questions and receive detailed solutions covering derivatives, integrals, and more. A free trial is available before subscribing.

**Highlights:** AI-powered problem solving, Photo recognition for problems, Detailed step-by-step solutions, Covers derivatives and integrals, Copy and share solutions, Free trial available

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculus Answers: Weekly Sub | $5.99 | per 7 days |
| Calculus Answers: Weekly Sub | $34.99 | 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 5 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 2 months. Most recently, FX Calculus Problem Solver was updated on October 15, 2026 and Calculus Solver on September 30, 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.*