Best 4K Photo Converter Apps

245+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated October 2026

Stills is the household name in 4k photo converter, but it's far from the only option. We track 245+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top 4K Photo Converter Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Stills – Video to Photo 4K HDStills – Video to Photo 4K HDFree was $4.994.8★ (42)NoYesOct 2026
2Pixzool: Photo ConverterPixzool: Photo ConverterFree—NoYesJul 2026
3Photo Format ConverterPhoto Format ConverterFree—NoYesJun 2026
4Photo Converter - heic to jpgPhoto Converter - heic to jpgFree—NoYesMay 2026
5Video and Photo ConverterVideo and Photo ConverterFree5.0★ (7)YesYesSep 2026
6Image Converter: JPEG PDF HEICImage Converter: JPEG PDF HEICFree4.7★ (9K)NoYesOct 2026
7Image File ConverterImage File ConverterFree4.2★ (5)NoNoMay 2026
8HEIC Photo Converter ProHEIC Photo Converter ProFree was $1.99—NoNoOct 2026

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FAQ about 4K Photo Converter

What are the best 4k photo converter apps for iPhone?
Stills – Video to Photo 4K HD tops our 4k photo converter apps ranking as of October 2026, with a 4.8-star average from 42 App Store ratings, and it's free to download.
Yes — 20 of the top 4k photo converter apps we rank are free to download, including Stills – Video to Photo 4K HD and Pixzool: Photo Converter.
Stills – Video to Photo 4K HD has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 245+ 4k photo converter apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.