Ratio & Proportion Calculator vs Proportion Solver
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ratio & Proportion Calculator
Easily solve proportion problems by entering three of the four variables. This app provides detailed step-by-step solutions and saves all your calculations in a history for later review. Fractions, decimals, and constants are supported.
- Solve proportions with 3 variables
- Detailed solution steps
- Calculation history
- Supports fractions and decimals
- Option to remove ads
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Finish homework instantly. Prepare for exams stress-free. Free, complete step-by-step solutions. Enter your values and calculate the missing value of a proportion. HOW IT WORKS Enter your values in the correct fields and get started. You receive the solution instantly and can share it with friends or classmates. 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. We cannot draw any conclusions about you. COST Everything is free to use. 24/7 access to your solutions. All solution steps always remain complete. If you need many solutions in a short time, various purchase options are available. EXTRAS - curated learning videos - feedback on incorrect inputs - manage your own solutions - app introduction CONTACT Questions and feedback via Discord or directly in the app review.
Proportion Solver
This app provides step-by-step solutions for mathematical proportions. It's designed for students and math enthusiasts to learn, practice, and simplify calculations with an intuitive interface and theoretical resources.
- Automatic proportion solving with steps
- Theory cards for understanding
- Advanced math keyboard
- Intuitive interface
- Integrated learning
- Supports all proportion types
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Turn your device into the perfect math study companion. "Proportion Solver" is the ultimate app that guides you through solving proportions, helping you understand the logic behind the numbers and always get the right results. Here's everything our app can do for you: ▶ STEP-BY-STEP SOLUTIONS Get the solution in an instant. But we don't stop at the final result: the app shows you all the logical steps in detail to find the unknown in simple or continuous proportions, whether with whole numbers, fractions, or decimals. It's the perfect tool to understand your mistakes, learn the correct method, and get fully prepared for homework and exams. ▶ PROPORTIONS WITH SUM AND DIFFERENCE The app includes a dedicated section exclusively for solving proportions that feature sums or differences. The system automatically applies the addition and subtraction properties, clearly showing you the entire process to reach the result without any confusion. ▶ INTEGRATED MATH KEYBOARD Use our dedicated interface, designed to be incredibly simple and intuitive. Easily type the unknown, fractions, repeating decimals, and parentheses smoothly and quickly, having only the keys you truly need right at your fingertips. ▶ THEORY AND RULES ALWAYS AT HAND Having a memory lapse? Review fundamental principles, the fundamental property of proportions, and solving methods right in the app. Everything you need to know about the topic is in one place. ▶ CLEAN INTERFACE AND DARK THEME No complications. The UI is simple, intuitive, and includes an elegant dark theme, specifically optimized to prevent eye strain during your evening study sessions. ▶ GUARANTEED RELIABILITY Our algorithms are tested and highly optimized to ensure accurate and instant calculations every time, even for the most complex proportions. ▶ CONSTANT UPDATES AND SUPPORT The app is regularly updated to always offer you the best performance and new features. Download "Proportion Solver" today and take your math skills to the next level!
Screenshots
Verdict
The clearest difference is rating: Ratio & Proportion Calculator at 4.7 against Proportion Solver's 3.0. Ratio & Proportion Calculator also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). Proportion Solver's advantage is in-app purchases (none vs 8). On price, device support and iOS requirement 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. Ratio & Proportion Calculator sells 8 one-off in-app purchases. Proportion Solver asks for nothing beyond the download.
Ratio & Proportion Calculator holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Ratio & Proportion Calculator has 16 ratings behind it against 2, so its average is the more settled of the two.
Ratio & Proportion Calculator ships an update every 3 weeks, Proportion Solver every 6 weeks. The most recent releases landed on August 26, 2026 and September 3, 2026 respectively.
| Parameter | Ratio & Proportion Calculator | Proportion Solver |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (16 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 16 — better | 2 |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 179 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Glindemann, Sennoun, Langer GbR | Francesco Varotti |
Customer experience
Ratio & Proportion Calculator
Proportion Solver
In-app purchases
Ratio & Proportion Calculator
- +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
Proportion Solver
No in-app purchases
Questions
Is Ratio & Proportion Calculator free?
Is Proportion Solver free?
Which has better reviews, Ratio & Proportion Calculator or Proportion Solver?
Do Ratio & Proportion Calculator or Proportion Solver have ads?
Which is updated more often, Ratio & Proportion Calculator or Proportion Solver?
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