Best Resolution Changer Apps

249+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated October 2026

From beginner-friendly picks to power-user tools, our resolution changer list covers 249+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top Resolution Changer Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PPI Calc - PPI CalculatorPPI Calc - PPI CalculatorFree4.4★ (13)NoNoOct 2026
2GFX Tool Launcher & OptimizerGFX Tool Launcher & OptimizerFree4.5★ (81)YesNoOct 2026
3Percentage Resolution ToolPercentage Resolution ToolFree4.0★ (4)NoYesOct 2026
4ResolutionerResolutioner$0.994.5★ (955)NoYesNov 2026
5HEIC Converter: JPG, TIFF, PDFHEIC Converter: JPG, TIFF, PDFFree5.0★ (10)YesYesOct 2026
6PPI Guru - Calc PPI EasilyPPI Guru - Calc PPI EasilyFree3.2★ (6)NoNoOct 2026
7Screen Specs: Sizes & DPIScreen Specs: Sizes & DPIFree5.0★ (1)YesYesOct 2026
8PicResizePicResizeFree—NoYesOct 2026

Top Picks for Resolution Changer

GFX Tool Launcher & Optimizer#2

GFX Tool Launcher & Optimizer by SAMUEL WATSON

GFX Tool Graphics Settings App
Strong Contender
🔧 Utilities
4.5(81 ratings)
FreeAds
GFX Tool Launcher & Optimizer screenshot 1
GFX Tool Launcher & Optimizer screenshot 2
GFX Tool Launcher & Optimizer screenshot 3

Optimize your gaming experience by fine-tuning graphics settings like resolution and FPS. This tool offers pre-set profiles and a game booster to enhance performance. It also provides device information and recommended settings for smoother gameplay.

4.0(4 ratings)
FreeIn-App Purchases
Percentage Resolution Tool screenshot 1
Percentage Resolution Tool screenshot 2
Percentage Resolution Tool screenshot 3
Percentage Resolution Tool screenshot 4

Easily convert pixel values to percentages and vice versa for screen dimensions. Supports coordinates and sizes, with multiple target screen sizes and orientation options. A lightweight and responsive tool for developers.

More Resolution Changer apps to explore

FAQ about Resolution Changer

What are the best resolution changer apps for iPhone?
PPI Calc - PPI Calculator tops our resolution changer apps ranking as of October 2026, with a 4.4-star average from 13 App Store ratings, and it's free to download.
Yes — 19 of the top resolution changer apps we rank are free to download, including PPI Calc - PPI Calculator and GFX Tool Launcher & Optimizer.
PPI Calc - PPI Calculator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 249+ resolution changer apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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