Best Viewgrader alternatives: apps like Viewgrader: Proportional Scale Calculator

36+ similar apps compared and reviewed

4.1 avg rating
9 free apps
Updated November 2026

Whether you want more options like Viewgrader or a completely different take on the same concept, our curated list of 36+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Viewgrader

Proportional Scale#1

Proportional Scale by Courtney & Company

Correctly Resize Dimensions
Editor's Choice
πŸ”§ Utilities
4.5(14 ratings)
$1.99
Proportional Scale screenshot 1
Proportional Scale screenshot 2

Easily calculate new image dimensions while preserving aspect ratio to avoid distortion. This tool helps graphic designers, photographers, and professionals accurately resize images for various needs, including blueprinting and sign making.

PPI Guru - Calc PPI Easily#3

PPI Guru - Calc PPI Easily by 基伟 徐

Check PPI of your devices
Worth Considering
πŸ”§ Utilities
3.4(7 ratings)
Free
PPI Guru - Calc PPI Easily screenshot 1

Easily calculate the Pixels Per Inch (PPI) for any screen, from phones to monitors. Input screen dimensions and diagonal size to get an instant PPI result and determine if it qualifies as a Retina Display. You can also search for device information online and save your calculations.

More apps like Viewgrader

4
Aspect Ratio X Calc
Aspect Ratio X Calc
Aspect Ratio X Calc
A : B = C : X To find X
Free

This utility calculates unknown values in aspect ratios, useful for resizing images and clipping. It simplifies the process of determining proportional dimensions for various visual applications.

Calculate unknown aspect ratio valuesInput numbers for calculationResizing images
πŸ”§ Utilities
(3)
free
5
Capabilities & Speed Test
Capabilities & Speed Test
Capabilities & Speed Test
by Matthew Raftery
Free

This utility app provides detailed information about your mobile device. It includes a speed test, displays RAM usage, screen resolution, and other hardware specifications.

SNATCO Mobile Speed TestTotal and available RAM checkScreen size and DPI display
πŸ”§ Utilities
(2)
free with in-app purchases
6
PPI Calc - PPI Calculator
PPI Calc - PPI Calculator
PPI Calc - PPI Calculator
by Fausto Ristagno
Free

Calculate pixels per inch (PPI) for any screen, along with aspect ratio and screen measurements. View data in inches or centimeters. Includes presets for standard resolutions and common devices.

PPI calculationAspect ratio displayScreen height and width
πŸ”§ Utilities
(13)
free
7
Retinal
Retinal
Retinal
Check retina capability
Free
πŸ”§ Utilities
(0)
8
Megapixel Calculator
Megapixel Calculator
Megapixel Calculator
Great tool to calculate pixels
Free

This utility helps you understand screen and image resolutions. Calculate megapixels from dimensions or find dimensions from megapixels. It also includes a DPI calculator for screens.

Calculate megapixels from dimensionsCalculate dimensions from megapixelsDetermine aspect ratio
πŸ”§ Utilities
(2)
ad-supported
9
aspect:ratio
aspect:ratio
aspect:ratio
by manolo Sanudo
Free

Easily calculate any ratio for design projects. Input a base ratio and either width or height to automatically determine the other dimension. Offers dark and light themes for usability in any lighting.

Calculate any ratioInput base ratioCalculate missing dimension
πŸ”§ Utilities
(6)
free
10
Rule of Three Calculator
Rule of Three Calculator
Rule of Three Calculator
by Saran Dumronggittigule
Free

This utility app helps you solve problems involving ratios and proportions. It calculates an unknown number based on the relationship between two other known numbers.

Ratio calculationProportion solvingFinds unknown numbers
πŸ”§ Utilities
(4)
free