Mathematical Expressions vs Parametric Factorization
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mathematical Expressions
This app generates unique math problems for practice and learning. It provides step-by-step solutions for exercises and allows users to challenge friends. It's designed to build a strong foundation in mathematics for students and educators.
- Generates unique math problems
- Provides complete step-by-step solutions
- Allows practice with pen and paper
- Challenges friends via Game Center
- Aids in preparing for advanced math subjects
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App created to practice on MATHEMATICAL EXPRESSIONS. The ideal tool for anyone who needs to learn the expressions; The App creates always different calculations !!! Also great for teachers who must prepare the tasks for their students. Try to solve the exercises with pen and paper, if you don't know how to do it, the app shows you the COMPLETE SOLUTION. Learn while having fun: challenge your friends on GAME CENTER. To succeed in math is very important to have a solid foundation !!! With this App you can prepare well for more difficult subjects. Succeeding in mathematics is a matter of exercise, everyone can get good results with the right preparation.
Parametric Factorization
This application helps users factor quadratic trinomials by entering three variables. It provides detailed solution steps and stores all calculations in a history for easy access and sharing. Supports positive and negative numbers, as well as decimals.
- Factors quadratic trinomials
- Detailed solution steps
- Input history
- Supports decimals and negative numbers
- Shareable solutions
- Ad removal option
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No tricks, no guessing. Factor quadratic equations using a parametric method – fully and clearly understandable. HOW IT WORKS Enter the coefficients a, b and c of the equation ax² + bx + c. The factorization is derived step by step in a systematic way. You can share results at any time. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, for example: - which features are used - how many solutions are generated This helps us improve. No conclusions can be drawn about you. COSTS Everything can be used for free. 24/7 access to your solutions. All solution steps are always shown completely. If you use the app more intensively, various purchase options are available. EXTRAS - Feedback for incorrect inputs - Manage your own solutions - Introduction to the app CONTACT Questions and feedback via Discord or directly in the app review.
Screenshots
Verdict
The clearest difference is rating: Mathematical Expressions at 4.4 against Parametric Factorization's 2.9. Mathematical Expressions also leads on review sentiment (50% vs 40%) and iOS requirement (7.0 vs 15.0). Parametric Factorization's advantage is update cadence (fortnightly vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Mathematical Expressions sells 1 one-off in-app purchase and Parametric Factorization sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Mathematical Expressions holds the better App Store score, 4.4 against 2.9. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews point the same way: 50% of Mathematical Expressions's written reviews are positive against 40% of Parametric Factorization's.
Mathematical Expressions ships an update every 2 months, Parametric Factorization fortnightly. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.
| Parameter | Mathematical Expressions | Parametric Factorization |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) — better | 2.9 (8 ratings) |
| Positive reviews | 50.0% of reviews — better | 40.0% of reviews |
| Number of ratings | 7 | 8 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 5 MB | 179 MB |
| Age rating | 4+ | 4+ |
| Developer | Francesco Grassi | Glindemann, Sennoun, Langer GbR |
Customer experience
Mathematical Expressions
Parametric Factorization
In-app purchases
Mathematical Expressions
- Unlock Medium and Difficult Levels$0.99
Parametric Factorization
- +30 User Tokens$0.29
- +1 Convenience Token / 6h, max. +2$0.59
- +2 Convenience Tokens / 6h, max. +4$0.99
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- +150 User Tokens$0.99
- +300 User Tokens$1.49
- +4 Convenience Tokens / 6h, max. +8$1.59
- Remove Ads$1.99
- Lifetime Access$1.99
Questions
Is Mathematical Expressions free?
Is Parametric Factorization free?
Which has better reviews, Mathematical Expressions or Parametric Factorization?
Do Mathematical Expressions or Parametric Factorization have ads?
Which is updated more often, Mathematical Expressions or Parametric Factorization?
Other comparisons
