# FX Calculus Problem Solver vs Asap Calculus

The clearest difference is rating: Asap Calculus at 4.2 against FX Calculus Problem Solver's 3.4. Asap Calculus also leads on review sentiment (60% vs 48%). FX Calculus Problem Solver's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Asap Calculus sells 1 one-off in-app purchase. FX Calculus Problem Solver asks for nothing beyond the download.

Asap Calculus holds the better App Store score, 4.2 against 3.4. Both are backed by a comparable volume of ratings — 78 and 87 respectively. Written reviews point the same way: 48% of FX Calculus Problem Solver's written reviews are positive against 60% of Asap Calculus's.

FX Calculus Problem Solver ships an update every 5 months, Asap Calculus every 3 months. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | FX Calculus Problem Solver | Asap Calculus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (78 ratings)](https://appshunter.io/ios/app/fx-calculus-problem-solver/id833967111/reviews) | **[4.2 (87 ratings)](https://appshunter.io/ios/app/asap-calculus/id1271201984/reviews)** |
| Number of ratings | 78 | **87** |
| Positive reviews | 48.5% of reviews | **60.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 18 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Euclidus Inc](https://appshunter.io/developer/490623202) | [Mohammed Hassan Aljanahi](https://appshunter.io/developer/1219637605) |

## 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


### Asap Calculus

[App page](https://appshunter.io/ios/app/asap-calculus/id1271201984)

Learn calculus concepts and problem-solving techniques rapidly. This app offers shortcuts to tackle difficult problems instantly, covering both college-level and AP Calculus curricula.

**Highlights:** Learn calculus quickly and efficiently, Discover problem-solving shortcuts, Solve hard problems instantly, Covers college and AP Calculus

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $0.99 | one-time |


## Frequently asked questions

### Is FX Calculus Problem Solver free?

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

### Is Asap Calculus free?

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

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

Asap Calculus is rated higher. FX Calculus Problem Solver averages 3.4 out of 5 from 78 ratings, while Asap Calculus averages 4.2 from 87 ratings.

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

Neither FX Calculus Problem Solver nor Asap Calculus shows ads.

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

FX Calculus Problem Solver ships an update every 5 months, and Asap Calculus every 3 months. Most recently, FX Calculus Problem Solver was updated on September 20, 2026 and Asap Calculus on September 13, 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.*