Best Focal Length Apps

250+ iOS apps curated and reviewed

4.1 avg rating
13 free apps
Updated September 2026

With an average user rating of 4.1★, the focal length category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Focal Length Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Magic ARRI ViewFinderMagic ARRI ViewFinderFree4.8★ (175)YesYesSep 2026
2Magic Canonic ViewFinderMagic Canonic ViewFinderFree4.6★ (50)YesYesSep 2026
3FinderKit: ViewfinderFinderKit: ViewfinderFree4.9★ (13)NoYesAug 2026
4Filmic Pro-Video CameraFilmic Pro-Video CameraFree3.7★ (10K)NoYesSep 2026
5LensKit: Lens ToolsLensKit: Lens ToolsFree4.9★ (54)NoYesAug 2026
6Focal Length FinderFocal Length Finder$0.99NoNoJul 2026
7GroundForceGroundForceFree2.9★ (20)NoNoMay 2026
8Focal Length CalculatorFocal Length Calculator$2.99NoNoAug 2026

Top Picks for Focal Length

Magic ARRI ViewFinder#1

Magic ARRI ViewFinder by Roman Medvid

ARRI Director's Viewfinder
Editor's Choice
📷 Photo & Video
4.8(175 ratings)
FreeAdsIn-App Purchases
Magic ARRI ViewFinder screenshot 1
Magic ARRI ViewFinder screenshot 2
Magic ARRI ViewFinder screenshot 3
Magic ARRI ViewFinder screenshot 4
Magic ARRI ViewFinder screenshot 5

This app simulates the field of view for ARRI digital cameras and lenses on your iPhone or iPad. It helps filmmakers preview exact framing and lens focal lengths during pre-production, with options for color presets and saving shots.

Magic Canonic ViewFinder#2

Magic Canonic ViewFinder by Roman Medvid

Director's ViewFinder
Strong Contender
📷 Photo & Video
4.6(50 ratings)
FreeAdsIn-App Purchases
Magic Canonic ViewFinder screenshot 1

This tool simulates the field of view for various camera and lens combinations, aiding filmmakers in preproduction by providing a precise framing preview. It allows users to select cameras, adjust focal lengths, and apply color presets to visualize final shots.

FinderKit: Viewfinder#3

FinderKit: Viewfinder by Zak Ray

For filmmaking and photography
Worth Considering
📷 Photo & Video
4.9(13 ratings)
FreeIn-App Purchases
FinderKit: Viewfinder screenshot 1
FinderKit: Viewfinder screenshot 2
FinderKit: Viewfinder screenshot 3
FinderKit: Viewfinder screenshot 4
FinderKit: Viewfinder screenshot 5
FinderKit: Viewfinder screenshot 6

This app simulates camera and lens combinations to provide an accurate preview for filmmaking and photography. It helps users organize projects, save media, and generate shotlists, streamlining workflow for creators and crews.

More Focal Length apps to explore

FAQ about Focal Length

What are the best focal length apps for iPhone?
Magic ARRI ViewFinder tops our focal length apps ranking as of September 2026, with a 4.8-star average from 175 App Store ratings, and it's free to download.
Yes — 13 of the top focal length apps we rank are free to download, including Magic ARRI ViewFinder and Magic Canonic ViewFinder.
Magic ARRI ViewFinder shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ focal length apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app simulates the field of view for ARRI digital cameras and lenses directly on your iPhone or iPad. It allows filmmakers to preview the exact framing and lens focal lengths they will use for their shots during the pre-production phase.
Key features include precise framing previews, simulation of ARRI digital cameras and lenses, selection of focal lengths, aspect ratio frame guides, application of color presets (LUTs), and the ability to save framed shots with associated data. It also offers focus and exposure control.

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