Comparison

Proportion_Calculator vs OnBoard360

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

OnBoard360

Features
Read full description

Welcome to Your First Day, Simplified. Our app makes starting a new job easier than ever. Designed with simplicity in mind, it guides you step-by-step through everything you need to complete before day one—from paperwork and policies to training and compliance tasks. No confusion, no guesswork—just a clear path that ensures you’re prepared, confident, and ready to shine. For employers, it’s peace of mind. With every step tracked and verified, you can rest assured that new hires are fully compliant, informed, and aligned with company standards before they even walk through the door. Easy to use, reliable, and efficient—our app turns onboarding into an engaging experience that sets the stage for success.

Screenshots

Proportion_Calculator4 screens
OnBoard3604 screens

Verdict

The call

The clearest difference is update cadence: OnBoard360 at fortnightly against Proportion_Calculator's every 24 months. Proportion_Calculator's advantage is iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Proportion_Calculator ships an update every 24 months, OnBoard360 fortnightly. The most recent releases landed on June 10, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 8 level
Proportion_Calculator versus OnBoard360: the parameters behind the verdict, then further details
ParameterProportion_CalculatorOnBoard360
PriceFreeFree
Rating2.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 24 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.6
Further details — not scored
Size19 MB44 MB
Age rating4+4+
DeveloperAhmad SattarOneTeam360

In-app purchases

None

Proportion_Calculator

No in-app purchases

None

OnBoard360

No in-app purchases

Questions

Is Proportion_Calculator free?
Proportion_Calculator is free to download, with no in-app purchases.
Is OnBoard360 free?
OnBoard360 is free to download, with no in-app purchases.
Do Proportion_Calculator or OnBoard360 have ads?
Neither Proportion_Calculator nor OnBoard360 shows ads.
Which is updated more often, Proportion_Calculator or OnBoard360?
Proportion_Calculator ships an update every 24 months, and OnBoard360 fortnightly. Most recently, Proportion_Calculator was updated on June 10, 2026 and OnBoard360 on September 19, 2026.

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