Best Pixels Resolution Apps

250+ iOS apps curated and reviewed

4.2 avg rating
15 free apps
Updated November 2026

Every iPhone needs a few good pixels resolution apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Pixels Resolution Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1DPI - Dots per inchDPI - Dots per inchFree4.7★ (1.1K)YesYesNov 2026
2ResolutionerResolutioner$0.994.5★ (959)NoYesNov 2026
3PPI GuruPPI GuruFree3.4★ (7)NoNoNov 2026
4Perspective PixelsPerspective PixelsFree5.0★ (1)NoNoMay 2026
5DPI CalculatorDPI CalculatorFree4.3★ (3)NoNoOct 2026
6GFX Tool Launcher & OptimizerGFX Tool Launcher & OptimizerFree4.5★ (82)YesNoNov 2026
7Percentage Resolution ToolPercentage Resolution ToolFree4.0★ (4)NoYesOct 2026
8PPI Calc - DPI CalculatorPPI Calc - DPI CalculatorFree4.4★ (70)NoNoNov 2026

Top Picks for Pixels Resolution

DPI - Dots per inch#1

DPI - Dots per inch by Vitalij Schaefer

Change DPI value of an image
Editor's Choice
📷 Photo & Video
4.7😐(1.1K ratings)
FreeAdsIn-App Purchases
DPI - Dots per inch screenshot 1
DPI - Dots per inch screenshot 2

Easily modify the DPI (dots per inch) of your images. Save, share, email, or print your adjusted photos with new DPI values.

What We Love

  • 👍 Easy to use
  • 🚀 Cleans up projects nicely
  • 💡 Fantastic for increasing image resolution for printing
  • 👍 Great app
  • 👍 Awesome one trick pony
  • 👍 Fantastic app!
  • 👍 Simple and easy to use
  • 👍 I love it!!! It's a lifesaver
  • 👍 Yes...the heavens!!
  • 👍 Super Easy - Thank you!!!
  • 👍 Great app. Easy to use
  • 👍 Worth every penny

Room to Improve

  • 🐛 The app DOES NOT WORK as advertised
  • 🐛 Darkened the original photo
  • 🐛 Doesn't return PNG
  • 💰 Too expensive at 18€
  • 🌐 Doesn't work
  • 🌐 Didn't change DPI
  • 🌐 Doesn't actually work
  • 🌐 Looks Like it Works but it doesn't
  • 🌐 Not user friendly
  • 🌐 Useless
  • 🌐 Another worthless tool
  • 🌐 Will be deleting this app as doesn't work!
  • 🌐 No support either
  • 🙈 Too many ads
  • 🙈 Games pop up and won't get off screen
Resolutioner#2

Resolutioner by Sun Apps, LLC

Calculate or scale resolutions
Strong Contender
🛠️ Developer Tools
4.5😐(959 ratings)
$0.99In-App Purchases
#56in Developer Tools
Resolutioner screenshot 1
Resolutioner screenshot 2
Resolutioner screenshot 3
Resolutioner screenshot 4
Resolutioner screenshot 5
Resolutioner screenshot 6

This utility app helps you calculate and scale screen resolutions based on aspect ratios. Save and manage your frequently used resolutions for easy access. Sync your presets across Apple devices.

What We Love

  • 👍 Very good app
  • 👍 Excellent for calculations
  • 👍 Useful for graphic designers
  • 👍 Works offline
  • 👍 Good for Free Fire
  • 👍 Helpful for resolution adjustments
  • 👍 Easy to use
  • 👍 Great for aspect ratio calculations
  • 👍 Amazing tool
  • 👍 Good performance
  • 👍 Recommended app

Room to Improve

  • 🐛 Resolution not changing
  • 🐛 App doesn't work
  • 🐛 Buggy and bad
  • 🐛 Cannot submit resolution
  • 🐛 Screen size remains the same
  • 🐛 Not working as expected
  • 🐛 Confusing to use
  • 🐛 Resetting issues
  • 🐛 Lagging device
  • 🐛 Does not change FOV
  • 🐛 Unclear purpose
PPI Guru#3

PPI Guru by 基伟 徐

Calc PPI Easily
Worth Considering
🔧 Utilities
3.4(7 ratings)
Free
PPI Guru screenshot 1
PPI Guru screenshot 2
PPI Guru screenshot 3

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 Pixels Resolution apps to explore

FAQ about Pixels Resolution

What are the best pixels resolution apps for iPhone?
DPI - Dots per inch tops our pixels resolution apps ranking as of November 2026, with a 4.7-star average from 1.1K App Store ratings, and it's free to download.
Yes — 15 of the top pixels resolution apps we rank are free to download, including DPI - Dots per inch and PPI Guru.
DPI - Dots per inch shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ pixels resolution apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.