Best Resolution Changer Apps

214+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our resolution changer list covers 214+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Resolution Changer

Percentage Resolution Tool#2

Percentage Resolution Tool by David Hobbs

Strong Contender
📊 Productivity
5.0(2 ratings)
FreeIn-App Purchases
Percentage Resolution Tool screenshot 1
Percentage Resolution Tool screenshot 2
Percentage Resolution Tool screenshot 3
Percentage Resolution Tool screenshot 4

This tool helps you convert pixel values to and from percentages based on a target screen size, making it easy to work with coordinates and sizes for various devices and orientations. Try it out to simplify your design and development process.

PPI Calc - PPI Calculator#3

PPI Calc - PPI Calculator by Fausto Ristagno

Worth Considering
🔧 Utilities
4.3(12 ratings)
Free
PPI Calc - PPI Calculator screenshot 1
PPI Calc - PPI Calculator screenshot 2
PPI Calc - PPI Calculator screenshot 3
PPI Calc - PPI Calculator screenshot 4

This application allows you to calculate the PPI (pixels per inch) of any screen, along with its aspect ratio and measurements, and provides a list of standard resolutions and common devices for easy reference. Download it now to easily get accurate screen data in inches or centimeters.

More Resolution Changer apps to explore

4
Resolution Changer: Image Size
Resolution Changer: Image Size
Resolution Changer: Image Size
Picture Compressor and Resizer
Free

This smart application allows users to quickly resize, compress, and convert photos for various purposes, including social media, web, print, or storage. With a range of features, including batch processing and format conversion, users can take control of their images and try it out with a free trial before subscribing for unlimited access.

📷 Photo & Video
(10)
5
PPI Guru - Calc PPI Easily
PPI Guru - Calc PPI Easily
PPI Guru - Calc PPI Easily
Check PPI of your devices
Free

This utility calculates the display's PPI (Pixels Per Inch) of various devices, such as phones, laptops, and monitors, by inputting screen width, height, and diagonal size, and also indicates if the display is a Retina Display. Try it out and easily check the PPI of your device or search for public sale devices to get their display information.

🔧 Utilities
(3)
6
Image Size
Image Size
Image Size
Resize your photo! Resizer App
Free

Resize your photos easily with this app! Customize image sizes in pixels, millimeters, centimeters, or inches and conveniently share the final results. Get precise resizing options and editing tools in just a few simple steps. Unlock special features with in-app purchases for an enhanced experience.

📷 Photo & Video
(30K)
7
DPI - Dots per inch
DPI - Dots per inch
DPI - Dots per inch
Change DPI value of an image
Free

Easily adjust the DPI value of your images with this app. Save, share, or print images with the modified DPI setting. Try it now for quick image resolution changes!

📷 Photo & Video
(22)
8
DPI Calculator
DPI Calculator
DPI Calculator
by Artem Taranukha
Free

This application allows users to easily calculate DPI and other display settings by simply inputting the resolution and diagonal measurements. Try it out to get instant calculations for your display needs.

🔧 Utilities
(3)
9
AI Photo Quality Enhancer Аpp
AI Photo Quality Enhancer Аpp
AI Photo Quality Enhancer Аpp
Enhance Your Photos & Videos
Free

Enhance your photos and videos with a single tap using advanced AI algorithms that upscale, sharpen, and restore visuals with unmatched precision. Try it now to boost image resolution, elevate video quality, and bring old photos back to life.

🎨 Graphics & Design
(12)
10
PPI Calc - DPI Calculator
PPI Calc - DPI Calculator
PPI Calc - DPI Calculator
for displays with square pixel
Free
$0.99 | 100% OFF

This application helps you calculate the resolution of your display based on its dimensions and pixel count, and understand key concepts like PPI (Pixels Per Inch) and DPI. With this tool, you can learn how to calculate PPI, categorize resolution, and explore the differences between PPI and DPI.

🔧 Utilities
(37)
11
x2y
x2y
x2y
An Aspect Ratio Calculator
Free

This simple aspect ratio calculator helps designers and web developers quickly resize images and videos by automatically calculating dimensions and percentages. With various features and customization options, it streamlines resizing calculations, saving users hours of work - try it out and discover how it can simplify your workflow.

📊 Productivity
(8)
12
High resolution photo: AI Wand
High resolution photo: AI Wand
High resolution photo: AI Wand
Picture quality, image clarity
Free

Quickly transform low-resolution photos into high-resolution images using advanced AI technology with High Resolution Photo: AI Wand. Upgrade your images to a crisp and detailed quality effortlessly. Try it now to see the difference!

📷 Photo & Video
(32)
13
Compress Photos, Resize Image
Compress Photos, Resize Image
Compress Photos, Resize Image
Photo Size Compressor, Resizer
Free

Reduce your image file sizes without compromising quality using this powerful app. Compress images effortlessly for faster loading times and efficient storage usage. Download now to optimize your images for web and mobile!

🔧 Utilities
(126)
14
DPI Calculator by Fefercode
DPI Calculator by Fefercode
DPI Calculator by Fefercode
by Jakub Majewski
Free

This application helps users calculate the base parameters of various displays, including monitors, phones, and notebooks. Download it now to easily determine the essential specs of your device's screen.

📊 Productivity
(7)
15
Upscale 4x AI:Photo Enlarger
Upscale 4x AI:Photo Enlarger
Upscale 4x AI:Photo Enlarger
Image upscaler and enlarger
Free

This AI-powered application enhances and enlarges images by up to 800%, restoring low-resolution images with high definition quality. It's ideal for professional users, e-commerce, and personal users looking to improve image quality and clarity.

📷 Photo & Video
(262)
16
ImageResize
ImageResize
ImageResize
Fluid and Intuitive Resizing
Free

This app allows users to easily resize, crop, and edit photos while preserving Exif, GPS, and other metadata. With quick action functions and a user-friendly interface, users can manipulate images, adjust compression rates, and share them with other apps.

📷 Photo & Video
(224)
17
Resize Image
Resize Image
Resize Image
Photo Resizer
Free

An image resizing app that offers quick and easy photo adjustments with preset options and custom resizing capabilities. Users can bulk resize images, preview changes, and save or share the edited photos. Subscription-based with a free trial, the app ensures user privacy through its Privacy Policy and Terms of Service.

🔧 Utilities
(897)
18
Remove Objects
Remove Objects
Remove Objects
Remove things from photos
Free

An app that removes objects from photos with advanced AI technology, providing super realistic results. Subscribe for access to Smart Eraser feature for even more precise object removal.

🎨 Graphics & Design
(127K)
19
Image Size PRO
Image Size PRO
Image Size PRO
Resize your photo! Resizer App
$39.99

This application allows users to quickly and easily resize images to custom sizes, with options to preserve aspect ratio and choose output formats. With just a few taps, users can open, resize, crop, and save or share their images in various ways, including saving, emailing, printing, or sharing.

📷 Photo & Video
(56)
20
Scale To Fill
Scale To Fill
Scale To Fill
Resize images without cropping
Free

This application allows users to resize images to different sizes without cropping, but may distort the image, making it more suitable for landscape photos, backgrounds, or drawings. Try resizing your images to fit your needs with this tool.

📷 Photo & Video
(107)

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