# FX Calculus Problem Solver vs SnapCalc The clearest difference is rating: SnapCalc at 4.2 against FX Calculus Problem Solver's 3.4. SnapCalc also leads on ratings volume (41K vs 78) and update cadence (monthly vs every 5 months). FX Calculus Problem Solver's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, monetization model and device support there is nothing between them. Both are free to download. SnapCalc sells 9 in-app purchases, starting at $1.99 per 7 days. FX Calculus Problem Solver asks for nothing beyond the download. SnapCalc holds the better App Store score, 4.2 against 3.4. That said, the two scores are not equally well evidenced: SnapCalc has 41K ratings behind it against 78, so its average is the more settled of the two. Written reviews complicate that: 48% of FX Calculus Problem Solver's written reviews are positive against 25% of SnapCalc'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, SnapCalc monthly. The most recent releases landed on September 20, 2026 and September 29, 2026 respectively. ## The numbers | Metric | FX Calculus Problem Solver | SnapCalc | | --- | --- | --- | | Price | Free | Free | | Rating | [3.4 (78 ratings)](https://appshunter.io/ios/app/fx-calculus-problem-solver/id833967111/reviews) | **[4.2 (41K ratings)](https://appshunter.io/ios/app/snapcalc-math-problem-solver/id1267331464/reviews)** | | Number of ratings | 78 | **41K** | | Positive reviews | **48.5% of reviews** | 25.3% of reviews | | In-app purchases | **No** | Yes | | Ads | **No** | Yes | | Update frequency | Every 5 months | **Monthly** | | Monetization | Free with in-app purchases | Free with in-app purchases | | Size | 35 MB | 129 MB | | Requires iOS | **11.0** | 13.0 | | Devices | iPhone, iPad, iPod | iPhone, iPad, iPod | | Age rating | 4+ | 4+ | | Developer | [Euclidus Inc](https://appshunter.io/developer/490623202) | [Mosaic S.r.l.](https://appshunter.io/developer/570748343) | ## 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 ### SnapCalc [App page](https://appshunter.io/ios/app/snapcalc-math-problem-solver/id1267331464) Instantly solve math problems by taking a photo. Get step-by-step explanations for algebra, calculus, and more. Practice with quizzes and access educational resources. **Highlights:** Camera-based math problem solving, Step-by-step solution explanations, Recognizes handwritten problems, Quizzes for skill practice, Integrated educational resources, Problem history saving **Features:** Vision Pro support **In-app purchases (9)** | Purchase | Price | Billing | | --- | --- | --- | | Step-by-step Solutions 1 Week | $1.99 | per 7 days | | Step-By-Step Solutions 1 Month | $3.99 | per month | | Step-by-step Solutions 1 Month | $4.99 | per month | | Step-by-step Solutions 1 Week | $4.99 | per 7 days | | Step-by-step Solutions 1 Month | $4.99 | per 7 days | | Step-by-step Solutions 1 Week | $5.99 | per 7 days | | Step-by-step Solutions 1 Month | $6.99 | per month | | Step-by-step Solutions 3 M | $29.99 | per 3 months | | Step-by-step Solutions 1 Year | $39.99 | per year | **What reviewers like** - 🚀 Helpful for solving math problems - 👍 Provides step-by-step solutions - 💡 Useful for students struggling with math **What reviewers complain about** - 💰 Expensive subscription model - 🔒 Difficult to cancel subscription - 🐛 Inaccurate problem recognition - 🔍 Limited free usage **Reported bugs** - App crashes when trying to solve problems - Subscription charges continue even after cancellation **Requested features** - Expand free version capabilities - Improve problem recognition accuracy - Add option to purchase one-time access ## Frequently asked questions ### Is FX Calculus Problem Solver free? FX Calculus Problem Solver is free to download, with no in-app purchases. ### Is SnapCalc free? SnapCalc is free to download, with in-app purchases available. ### Which has better reviews, FX Calculus Problem Solver or SnapCalc? SnapCalc is rated higher. FX Calculus Problem Solver averages 3.4 out of 5 from 78 ratings, while SnapCalc averages 4.2 from 41K ratings. ### Do FX Calculus Problem Solver or SnapCalc have ads? SnapCalc shows ads; FX Calculus Problem Solver does not. ### Which is updated more often, FX Calculus Problem Solver or SnapCalc? FX Calculus Problem Solver ships an update every 5 months, and SnapCalc monthly. Most recently, FX Calculus Problem Solver was updated on September 20, 2026 and SnapCalc on September 29, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*