Comparison

Proportion_Calculator vs Solvo

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

Head to head
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.

About

Solvo

This AI-powered app helps students with homework across various subjects. It offers step-by-step solutions for math, science problems, and can create study flashcards. Users can also get summaries of documents and web pages.

Highlights
  • Scan and solve math, chemistry, physics, biology problems
  • Step-by-step learning explanations
  • AI flashcard creation
  • Document and web page summarization
  • Instant, accurate answers
  • Type or scan questions for guided help
Features
Read full description

This is Solvo—your AI homework helper and math solver for every subject. Trusted by over a million students, parents, and tutors around the world, Solvo turns tough assignments into step-by-step learning moments. Got a homework problem, a big exam coming up, or a topic that just won’t click? The app breaks it all down so you can walk away with a solid understanding, not just a good grade. With Solvo, you can: - Scan and solve problems in math, chemistry, physics, and biology. - Learn through detailed, step-by-step explanations that reveal the “why” behind every answer. - Create AI flashcards from notes, textbooks, or research papers to study your way. - Summarize documents, videos, and web pages so you can focus on what actually matters. - Get instant, accurate answers—over 10 million problems solved and counting. Here’s how Solvo helps you study: ● SNAP A PHOTO, GET THE ANSWER Capture a photo of any problem, and Solvo will recognize it and walk you through a clear, detailed solution. From equations to essay prompts, one snap is all it takes. ● MASTER MATH STEP BY STEP Solvo’s math solver handles everything from school-level algebra to university calculus. Algebra, trigonometry, geometry, linear algebra, logic, statistics, quadratic equations, linear functions—every answer is explained step by step so you can follow along and build real understanding. ● ACE EVERY SUBJECT AND TEST Chemistry formulas, biology concepts, physics equations, multiple-choice quizzes: Solvo covers them all. Type or scan your question, and get a guided explanation that actually helps you learn. ● ASK ANYTHING, LEARN INSTANTLY Type your question and get guided help from AI. Solve math problems, get science answers, write and rewrite essays, or chat through any subject you’re studying. ● BUILD FLASHCARDS FAST Turn your notes, textbook pages, or even full research papers into interactive flashcards with a single snap. Prefer to build your own? Fill them in yourself for a more hands-on study session. Either way, you’re set for test day. ● SUMMARIZE WHAT MATTERS MOST Paste a link, upload a document, or drop in a web page—Solvo pulls out the essentials so you can focus on key points without missing a thing. Homework doesn’t have to be a struggle. Download Solvo and make studying easier. And if you'd really like to be unstoppable in class, consider Premium! A subscription gives you: • Unlimited access • In-depth answers • Advanced text recognition (OCR) • Instant responses Subscriptions are auto-renewed based on your selected plan. Website with key info and store links: https://solvo.app/ Follow us on social media: TikTok with quick study tips: @solvo.app Instagram with fun videos, memes, and news: @solvoapp Threads with posts and community highlights: @solvoapp Got a question? Reach out to support@aiby.com Privacy policy: https://aiby.mobi/ai_study_ios/privacy Terms of use: https://aiby.mobi/ai_study_ios/terms

Screenshots

Proportion_Calculator4 screens
Solvo4 screens

Verdict

The call

The clearest difference is review sentiment: Solvo at 53% against Proportion_Calculator's 0%. Solvo also leads on rating (4.6 vs 2.0) and update cadence (fortnightly vs every 24 months). Proportion_Calculator's advantage is in-app purchases (none vs 10) and iOS requirement (13.0 vs 18.0). 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. Solvo sells 10 in-app purchases, starting at $4.99 per 7 days. Proportion_Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Solvo holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Solvo has 5.7K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Proportion_Calculator's written reviews are positive against 53% of Solvo's.

UpkeepUpdate frequency

Proportion_Calculator ships an update every 24 months, Solvo fortnightly. Both last shipped on November 3, 2026.

Scorecard8 real differences · 3 level
Proportion_Calculator versus Solvo: the parameters behind the verdict, then further details
ParameterProportion_CalculatorSolvo
PriceFreeFree
Rating2.0 (2 ratings)4.6 (5.7K ratings) — better
Positive reviews0.0% of reviews52.5% of reviews — better
Number of ratings25.7K — better
Update frequencyEvery 24 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
Best chart rank—#151 — better
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better18.0
Further details — not scored
Size19 MB79 MB
Age rating4+4+
DeveloperAhmad SattarAIBY

Customer experience

Proportion_Calculator

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

Solvo

All ratings5,576 ratings
Positive90.5%
Neutral2.1%
Negative7.4%
Written reviews297 reviews
Positive52.5%
Neutral7.7%
Negative39.7%

Bugs and requests

Proportion_Calculator

Not enough reviews yet to summarise bugs or requests.

Solvo

Reported bugs

4 issues
  • Camera access issues
  • Subscription problems (unable to cancel, double charges)
  • Incorrect or incomplete answers
  • Inability to save or review previous solutions

Requested features

4 requests
  • Allow editing of scanned text
  • Expand support for higher-level math and science
  • Improve accuracy and consistency of answers
  • Provide more detailed explanations

In-app purchases

None

Proportion_Calculator

No in-app purchases

10 purchases

Solvo

Subscriptions8
  • Weekly subscription3 Days trial$4.997 Days
  • Weekly subscription$4.997 Days
  • Weekly subscription3 Days trial$6.997 Days
Show 5 more
  • Weekly subscription$6.997 Days
  • Weekly subscription7 Days trial$6.997 Days
  • Yearly subscription$19.991 Year
  • Yearly subscription$39.991 Year
  • Yearly subscription3 Days trial$59.991 Year
One-time2
  • 5 Requests$2.99
  • 10 Requests$4.99

Questions

Is Proportion_Calculator free?
Proportion_Calculator is free to download, with no in-app purchases.
Is Solvo free?
Solvo is free to download, with in-app purchases available.
Which has better reviews, Proportion_Calculator or Solvo?
Solvo is rated higher. Proportion_Calculator averages 2.0 out of 5 from 2 ratings, while Solvo averages 4.6 from 5.7K ratings.
Do Proportion_Calculator or Solvo have ads?
Neither Proportion_Calculator nor Solvo shows ads.
Which is updated more often, Proportion_Calculator or Solvo?
Proportion_Calculator ships an update every 24 months, and Solvo fortnightly. Most recently, Proportion_Calculator was updated on November 3, 2026 and Solvo on November 3, 2026.

Other comparisons