Comparison

MathPapa vs Proportion_Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MathPapa

This app provides step-by-step solutions to algebra problems, helping users understand how to solve equations and inequalities. It can also graph equations, factor expressions, and evaluate mathematical expressions.

Highlights
  • Step-by-step equation solving
  • Linear and quadratic equation solver
  • Linear and quadratic inequality solver
  • Equation graphing
  • Quadratic expression factoring
  • Order of operations
  • Expression evaluation
Features
Read full description

SOLVE your algebra problems step-by-step with MathPapa! MathPapa can solve your equations (and show the work!) and help you when you're stuck on your math homework. FEATURES: • Solves linear equations and quadratic equations. • Solves linear and quadratic inequalities. • Graphs equations. • Factors quadratic expressions. • Order of operations step-by-step. • Evaluates expressions. • Solves systems of two equations. STEP-BY-STEP SOLUTIONS: MathPapa's goal is to help you learn algebra step-by-step. Get help on your algebra problems with the MathPapa Algebra Calculator! HOW TO USE THE CALCULATOR: Just type your problem into the text box. For example, enter 3x+5=17 into the text box to get a step-by-step explanation of how to solve 3x+5=17. MATH SYMBOLS: Here are some symbols that the calculator understands: + (Addition) - (Subtraction) * (Multiplication) / (Division) ^ (Exponent: "raised to the power") √ (Square Root) |x| (Absolute Value of x) MATHPAPA PREMIUM PRICING AND TERMS: For MathPapa Premium, there is a Monthly subscription for $9.99. This price is for U.S. customers. Pricing in other countries may vary. Subscriptions will be charged via your iTunes account at the end of the free trial. Subscriptions will automatically renew unless canceled in Account Settings at least 24 hours before the end of the current period. Unused portion of Free Trial, if offered, is forfeited after purchase. For more information, read our Terms and Privacy Policy: Terms of Service: https://www.mathpapa.com/terms/ Privacy Policy: https://www.mathpapa.com/privacy/

About

Proportion_Calculator

This app helps you find the unknown value in proportions by showing step-by-step calculations. It's useful for various applications, from cooking to science, and offers a simple, fast, and visually appealing way to solve proportion problems.

Highlights
  • Solves for unknown values in proportions
  • Provides labeled step-by-step explanations
  • Fast calculation speed
  • User-friendly interface
  • Math keyboard for easy input
  • Smart, eye-friendly color theme
Features
Read full description

Proportion calculator This application is designed to find the “x” or “unknown” value in a proportion of two ratios. It does so while providing the labeled steps that help the user to understand proportions deeply. It also goes by the name solving proportions calculator. To know more about the proportions and this app, keep reading. What are proportions? 
Proportions show a relation between two different ratios. These ration seem different but are actually related in similar way. Proportions have many uses because if you know one ratio you can find the values of other proportions. It has its application everywhere from baking to higher sciences. Example: The tv cooking shows often provide an ingredient list of 4 to 5 servings. If you want to make more servings then proportion calculator will be useful in finding the quantity of ingredients. Proportion formula: There is no formula to solve proportions. It is just a matter of writing and simplifying. Say there are two ratios (a) 2:3 and (b) 7:x To find the value of x in the second proportion: 1. Write the ratios in fraction form. 2. Cross multiply. 3. Separate the x and solve. This will give the missing value. How to use the proportion solver? The application is easy to operate due to its up-to-the-mark useability. 1. Enter the ratios in the correct order, first goes first. 2. Remember to enter the unknown value as x. 3. Click “Calculate”. Features: You will understand why the claim is that “This is one of the best proportion solvers” once you install and try it. Its main highlights are: 1. It is to the point with no extra buttons and options to complicate things. 2. The answer is calculated very fast so it is time-saving. 3. Smart color theme which is easy on the eyes. 4. Math keyboard for convenient inputting.

Screenshots

MathPapa4 screens
Proportion_Calculator4 screens

Verdict

The call

The clearest difference is review sentiment: MathPapa at 78% against Proportion_Calculator's 0%. MathPapa also leads on rating (4.7 vs 2.0) and update cadence (every 3 weeks vs every 24 months). Proportion_Calculator's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.0). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MathPapa sells 2 in-app purchases, starting at $9.99 per month. Proportion_Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MathPapa holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: MathPapa has 17K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 78% of MathPapa's written reviews are positive against 0% of Proportion_Calculator's.

UpkeepUpdate frequency

MathPapa ships an update every 3 weeks, Proportion_Calculator every 24 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

Scorecard7 real differences · 3 level
MathPapa versus Proportion_Calculator: the parameters behind the verdict, then further details
ParameterMathPapaProportion_Calculator
PriceFreeFree
Rating4.7 (17K ratings) — better2.0 (2 ratings)
Positive reviews77.8% of reviews — better0.0% of reviews
Number of ratings17K — better2
Update frequencyEvery 3 weeks — betterEvery 24 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size5 MB19 MB
Age rating12+4+
DeveloperMathPapa, Inc.Ahmad Sattar

Customer experience

MathPapa

All ratings17,165 ratings
Positive93.4%
Neutral2.5%
Negative4.1%
Written reviews189 reviews
Positive77.8%
Neutral7.4%
Negative14.8%

Proportion_Calculator

All ratings2 ratings
Positive0.0%
Neutral50.0%
Negative50.0%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

Bugs and requests

MathPapa

Reported bugs

2 issues
  • Doesn't always recognize certain input formats
  • Step-by-step solutions not always available even with subscription

Requested features

5 requests
  • Add history/log of past calculations
  • Support for more math functions like differentiation and integration
  • Ability to input expressions with exponents as expressions
  • Option to display answers in different formats (decimal, fraction, mixed number)
  • Ability to take a photo of a problem and have it solved

Proportion_Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

MathPapa

Subscriptions1
  • MathPapa Premium Monthly7 Days trial$9.991 Month
One-time1
  • MathPapa Pro Upgrade$49.99
None

Proportion_Calculator

No in-app purchases

Questions

Is MathPapa free?
MathPapa is free to download, with in-app purchases available.
Is Proportion_Calculator free?
Proportion_Calculator is free to download, with no in-app purchases.
Which has better reviews, MathPapa or Proportion_Calculator?
MathPapa is rated higher. MathPapa averages 4.7 out of 5 from 17K ratings, while Proportion_Calculator averages 2.0 from 2 ratings.
Do MathPapa or Proportion_Calculator have ads?
Neither MathPapa nor Proportion_Calculator shows ads.
Which is updated more often, MathPapa or Proportion_Calculator?
MathPapa ships an update every 3 weeks, and Proportion_Calculator every 24 months. Most recently, MathPapa was updated on October 24, 2026 and Proportion_Calculator on October 15, 2026.

Other comparisons