Best Resolution Apps

244+ iOS apps curated and reviewed

4.4 avg rating
16 free apps
Updated September 2026

Looking for free resolution apps? 16 of our 244+ tracked titles are free to download β€” no subscription, no trial. The rest are premium picks worth paying for.

Compare top Resolution Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ResolutionerResolutioner$0.994.5β˜… (868)NoYesSep 2026
2DPI - Dots per inchDPI - Dots per inchFree4.7β˜… (1.1K)YesYesSep 2026
3Percentage Resolution ToolPercentage Resolution ToolFree5.0β˜… (2)NoYesMay 2026
4Remini - AI Photo EnhancerRemini - AI Photo EnhancerFree4.6β˜… (352K)YesYesSep 2026
5Goal Planner - ResolutionGoal Planner - ResolutionFree1.0β˜… (1)NoNoMay 2026
6PicResizePicResizeFreeβ€”NoNoSep 2026
7Required Output ResolutionRequired Output Resolution$0.99β€”NoNoMay 2026
8BetweenUs -Conflict ResolutionBetweenUs -Conflict ResolutionFreeβ€”NoYesSep 2026

Top Picks for Resolution

Resolutioner#1

Resolutioner by Sun Apps, LLC

Calculate or scale resolutions
4.5😐(868 ratings)
$0.99In-App Purchases
#9in 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

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

Room to Improve

  • πŸ› Resolution not changing
  • πŸ› App doesn't work
  • πŸ› Buggy and bad
  • πŸ› Cannot submit resolution
  • πŸ› Screen size remains the same
  • πŸ› Not working as expected
  • πŸ› Confusing to use
  • πŸ› Resetting issues
  • πŸ› Lagging device
  • πŸ› Does not change FOV
  • πŸ› Unclear purpose
DPI - Dots per inch#2

DPI - Dots per inch by Vitalij Schaefer

Change DPI value of an image
Strong Contender
πŸ“· 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

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

Room to Improve

  • πŸ› The app DOES NOT WORK as advertised
  • πŸ› Darkened the original photo
  • πŸ› Doesn't return PNG
  • πŸ’° 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
  • πŸ™ˆ Too many ads
  • πŸ™ˆ Games pop up and won't get off screen

More Resolution apps to explore

FAQ about Resolution

What are the best resolution apps for iPhone?
Resolutioner tops our resolution apps ranking as of September 2026, with a 4.5-star average from 868 App Store ratings, and it's priced at $0.99.
Yes β€” 16 of the top resolution apps we rank are free to download, including DPI - Dots per inch and Percentage Resolution Tool.
Resolutioner has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 244+ resolution apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Resolutioner is a utility app designed to help you calculate and scale screen resolutions. It allows you to determine a missing resolution based on a set aspect ratio, or to scale an existing resolution up or down while maintaining its aspect ratio. You can also save frequently used resolutions as presets for future reference.
You can calculate resolutions by filling in one side of the resolution (e.g., width or height) and setting your desired aspect ratio. The app will then compute the corresponding other side. You can input standard fractions like 16:9 or use an existing resolution to define the ratio for scaling.

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