Best Aspect Ratio Apps

240+ iOS apps curated and reviewed

3.9 avg rating
16 free apps
Updated August 2026

Out of 240+ aspect ratio apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Aspect Ratio Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1aspect:ratioaspect:ratioFree3.3★ (4)NoNoMay 2026
2Image SizeImage SizeFree4.7★ (30K)YesYesAug 2026
3No Crop - Video & Photo FitNo Crop - Video & Photo FitFree was $1.994.6★ (123)NoNoAug 2026
4MediaSort-Aspect Ratio SorterMediaSort-Aspect Ratio SorterFreeNoYesJul 2026
5Aspect:Ratio CalcAspect:Ratio CalcFreeNoNoMay 2026
6Aspect Ratio X CalcAspect Ratio X CalcFree5.0★ (3)NoNoMay 2026
7InstaSize: AI Photo EditorInstaSize: AI Photo EditorFree4.7★ (325K)NoYesAug 2026
8Video Aspect Ratio for SafariVideo Aspect Ratio for SafariFree3.0★ (7)NoNoMay 2026

Top Picks for Aspect Ratio

aspect:ratio#1

aspect:ratio by manolo Sanudo

Editor's Choice
🔧 Utilities
3.3(4 ratings)
Free
aspect:ratio screenshot 1
aspect:ratio screenshot 2

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.

Image Size#2

Image Size by Vitalij Schaefer

Resize your photo! Resizer App
Strong Contender
📷 Photo & Video
4.7😊(30K ratings)
FreeAdsIn-App Purchases
Image Size screenshot 1
Image Size screenshot 2
Image Size screenshot 3
Image Size screenshot 4
Image Size screenshot 5
Image Size screenshot 6

Easily resize your photos to any dimension using pixels, millimeters, centimeters, or inches. Preserve aspect ratio with a simple tap and crop images with intuitive multitouch gestures. Save, email, print, or share your resized creations.

What We Love

  • 🚀 Straightforward and easy to use
  • 👍 Intuitive user interface
  • 🚀 Quick resizing and editing
  • 💡 Useful features like watermarking and cropping

Room to Improve

  • 🐛 Occasional issues with image quality after resizing
  • 🔍 Unclear interface for some advanced features
  • 💰 Paid version required to remove ads
No Crop - Video & Photo Fit#3

No Crop - Video & Photo Fit by Fadel.io OU

NoCrop Square Picture Posts
Worth Considering
📷 Photo & Video
4.6(123 ratings)
Free
No Crop - Video & Photo Fit screenshot 1
No Crop - Video & Photo Fit screenshot 2
No Crop - Video & Photo Fit screenshot 3

Easily post photos and videos to social media without cropping. Customize your content with blur backgrounds, solid colors, and adjustable aspect ratios for a perfect fit on any platform.

More Aspect Ratio apps to explore

4
MediaSort-Aspect Ratio Sorter
MediaSort-Aspect Ratio Sorter
MediaSort-Aspect Ratio Sorter
by DEANNA MARIE BONN
Free
📷 Photo & Video
(0)
5
Aspect:Ratio Calc
Aspect:Ratio Calc
Aspect:Ratio Calc
Aspect Ratio Calculator
Free

Easily calculate aspect ratios for images and videos. Supports input formats like width x height or x:y ratios. A simple tool for content creators and designers.

Calculate aspect ratiosSupports width x height formatSupports x:y ratio format
🔧 Utilities
(0)
free
6
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
🔧 Utilities
(3)
free
7
InstaSize: AI Photo Editor
InstaSize: AI Photo Editor
InstaSize: AI Photo Editor
Collage Pic, Background Maker
Free

This comprehensive photo and video editor offers AI-powered tools to enhance images, remove unwanted objects, and create collages. Resize and crop content for any social platform, or use advanced features like background removal and batch editing.

AI-powered image expansion (Magic Fill)Object and background removalPhoto and video resizing/cropping
📷 Photo & Video
(325K)
freemium
8
Video Aspect Ratio for Safari
Video Aspect Ratio for Safari
Video Aspect Ratio for Safari
Fix distorted video in website
Free

This Safari extension corrects distorted videos on websites by allowing you to select a valid aspect ratio. It ensures videos automatically fit the screen and are viewable in both portrait and landscape modes.

Fixes distorted website videosSelectable valid aspect ratiosAuto-fits video to screen
📷 Photo & Video
(7)
free
9
Aspect Ratio & Size Calculator
Aspect Ratio & Size Calculator
Aspect Ratio & Size Calculator
Get the crop right
Free
🔧 Utilities
(0)
10
Ratio Calc - Aspect Ratio Tool
Ratio Calc - Aspect Ratio Tool
Ratio Calc - Aspect Ratio Tool
by hideaki suzuki
$0.99
🌟 Lifestyle
(0)
11
AspectCalc: Ratio & Crop
AspectCalc: Ratio & Crop
AspectCalc: Ratio & Crop
Aspect ratio and resize math
Free

This app helps photographers and designers calculate image dimensions and aspect ratios. It can detect ratios, solve for missing dimensions, scale sizes, and plan print outputs. It offers tools for cropping, fitting, and understanding image quality for various outputs.

Detect and simplify ratios from pixel dimensionsSolve for missing width or heightScale sizes by percentage
📷 Photo & Video
(1)
free with in-app purchases
12
Aspect Ratio Pro
Aspect Ratio Pro
Aspect Ratio Pro
Rule of Three Calculator
$3.99

This app helps you quickly solve for an unknown value in a proportion. Simply input three known numbers, and it will calculate the fourth, making ratio and proportion calculations effortless.

Rule of three calculationsInstant fourth value calculationRatio and proportion solver
🔧 Utilities
(1)
paid
13
Image Resizer Free
Image Resizer Free
Image Resizer Free
by kitaek kim
Free

Quickly resize and share your photos in seconds. This tool makes it easy to adjust image dimensions for social media platforms like Facebook, Twitter, and Instagram. Compatible with iOS 7.0 and above.

Resize imagesShare photos easilySocial media sharing
🛍️ Shopping
(84)
free
14
Ratio Calculator - Proportion
Ratio Calculator - Proportion
Ratio Calculator - Proportion
Aspect Ratio Calculator
$4.99
🔧 Utilities
(0)
15
Aspect Cropper
Aspect Cropper
Aspect Cropper
Resize the photos by ratio
Free

Easily resize and crop your photos with custom aspect ratios on your iPhone or iPad. Select multiple images for quick batch editing, or add color margins to fill empty spaces. Ideal for social media, printing, and creative projects.

Custom aspect ratio croppingBatch image processingColor margin addition
🛠️ Developer Tools
(23)
free with in-app purchases
16
Scale To Fill
Scale To Fill
Scale To Fill
Resize images without cropping
Free

Adjust image dimensions to fit various aspect ratios without cropping or adding borders. This app stretches or compresses images, making it best suited for non-photographic content like backgrounds or drawings.

Resize images without croppingAdd borders to imagesStretch or compress images
📷 Photo & Video
(107)
free with in-app purchases
17
Crop Image - Photo Editor App
Crop Image - Photo Editor App
Crop Image - Photo Editor App
Simple photo cropping tools
Free
🔧 Utilities
(0)
18
Video Framer - Add Borders
Video Framer - Add Borders
Video Framer - Add Borders
Fit any video. Never crop it.
Free
📷 Photo & Video
(0)
19
AspectPhoto Pro
AspectPhoto Pro
AspectPhoto Pro
by Qixin Net (Beijing) Technology Co., Ltd.
$0.99
📷 Photo & Video
(0)
20
Toushin Measure
Toushin Measure
Toushin Measure
Check the head-to-body scale
Free
📷 Photo & Video
(0)

FAQ about Aspect Ratio

What are the best aspect ratio apps for iPhone?
aspect:ratio tops our aspect ratio apps ranking as of August 2026, with a 3.3-star average from 4 App Store ratings, and it's free to download.
Yes — 16 of the top aspect ratio apps we rank are free to download, including aspect:ratio and Image Size.
aspect:ratio has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 240+ aspect ratio apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
You provide a base ratio and either the width or height, and aspect:ratio automatically computes the corresponding missing dimension. This is useful for ensuring assets maintain specific proportions.
aspect:ratio includes both a dark and a light theme. This allows users to choose the theme that best suits their viewing environment and personal preference.

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