Best Change Aspect Ratio Apps

245+ iOS apps curated and reviewed

3.7 avg rating
17 free apps
Updated August 2026

Finding the right change aspect ratio apps can be overwhelming with so many options. We've analyzed 245+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Change Aspect Ratio Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1aspect:ratioaspect:ratioFree3.3★ (4)NoNoMay 2026
2Video Aspect Ratio for SafariVideo Aspect Ratio for SafariFree3.0★ (7)NoNoMay 2026
3Scale To FillScale To FillFree4.8★ (107)YesYesAug 2026
4Aspect:Ratio CalcAspect:Ratio CalcFreeNoNoMay 2026
5Aspect CropperAspect CropperFree4.5★ (23)YesYesAug 2026
6AspectCalc: Ratio & CropAspectCalc: Ratio & CropFree1.0★ (1)NoYesAug 2026
7BetterFullscreenBetterFullscreenFreeNoNoAug 2026
8Resize Now!Resize Now!Free5.0★ (1)NoYesJun 2026

Top Picks for Change 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.

Scale To Fill#3

Scale To Fill by Vitalij Schaefer

Resize images without cropping
Worth Considering
📷 Photo & Video
4.8(107 ratings)
FreeAdsIn-App Purchases
Scale To Fill screenshot 1
Scale To Fill screenshot 2
Scale To Fill screenshot 3
Scale To Fill screenshot 4
Scale To Fill screenshot 5
Scale To Fill screenshot 6

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.

More Change Aspect Ratio apps to explore

4
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
5
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
6
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
7
BetterFullscreen
BetterFullscreen
BetterFullscreen
Auto full-screen videos
Free
🎬 Entertainment
(0)
8
Resize Now!
Resize Now!
Resize Now!
Photo & Video Resizer
Free

Easily resize photos and videos with multiple aspect ratios and freeform cropping. Enjoy high-quality exports and a minimalist interface for a smooth workflow. This app offers a one-time purchase for lifetime access with no ads or subscriptions.

Multiple aspect ratios (1:1, 16:9, 9:16, 4:5, 4:3)Freeform croppingHigh-quality exports
🔧 Utilities
(1)
paid
9
ProCamX : Pro HD Camera
ProCamX : Pro HD Camera
ProCamX : Pro HD Camera
#1 ProCamX - Pro HD Camera
Free
📷 Photo & Video
(0)
10
Crop Image - Photo Editor App
Crop Image - Photo Editor App
Crop Image - Photo Editor App
Simple photo cropping tools
Free
🔧 Utilities
(0)
11
PicResize
PicResize
PicResize
Adjust resolution, compress
Free
📷 Photo & Video
(0)
12
MediaSort-Aspect Ratio Sorter
MediaSort-Aspect Ratio Sorter
MediaSort-Aspect Ratio Sorter
by DEANNA MARIE BONN
Free
📷 Photo & Video
(0)
13
Video Framer - Add Borders
Video Framer - Add Borders
Video Framer - Add Borders
Fit any video. Never crop it.
Free
📷 Photo & Video
(0)
14
Atria Resize Image
Atria Resize Image
Atria Resize Image
Exact photo resize and crop
Free
🔧 Utilities
(0)
15
Ratio Solver: Proportions
Ratio Solver: Proportions
Ratio Solver: Proportions
simple solver proportions
Free
🔧 Utilities
(0)
16
Lensit
Lensit
Lensit
Lens Calculator
Free
🔧 Utilities
(0)
17
AspectPhoto Pro
AspectPhoto Pro
AspectPhoto Pro
by Qixin Net (Beijing) Technology Co., Ltd.
$0.99
📷 Photo & Video
(0)
18
Ratio Calculator - Proportion
Ratio Calculator - Proportion
Ratio Calculator - Proportion
Aspect Ratio Calculator
$4.99
🔧 Utilities
(0)
19
Toushin Measure
Toushin Measure
Toushin Measure
Check the head-to-body scale
Free
📷 Photo & Video
(0)
20
Screenwise
Screenwise
Screenwise
TV Size and Screen Calculator
$0.99

Easily find the optimal TV size for your viewing distance or calculate detailed screen specifications. This tool simplifies screen calculations for monitors, web images, and pixel density.

Optimal TV size calculationViewer distance adjustmentAdvanced screen specifications calculator
🔧 Utilities
(3)
paid

FAQ about Change Aspect Ratio

What are the best change aspect ratio apps for iPhone?
aspect:ratio tops our change 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 — 17 of the top change aspect ratio apps we rank are free to download, including aspect:ratio and Video Aspect Ratio for Safari.
aspect:ratio has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 245+ change 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.