# False Checker — A Tool for Filmmakers > Filmmaker tool for on-set exposure and lighting analysis with false color. (iPhone/iPad app by eric Hernandez.) - Source: https://appshunter.io/ios/app/false-checker/id6726519689 (this page in markdown: same URL + `.md`) - Developer: [eric Hernandez](https://appshunter.io/developer/875120891) - Category: Photo & Video, Utilities - Price: $5.99 - Rating: 4.00/5 from 2 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 16.6 · 1 MB - Languages: American English - Released: 2024-09-30 - Data updated: 2026-08-24 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/false-checker/id6726519689/reviews.md ## What is False Checker? False Checker was designed for filmmakers who need a quick and accurate way to analyze exposure on set or during pre-production. Whether you're referencing images on set or researching for upcoming projects, this tool gives you precise insights into lighting and exposure using false color. Features: False Color Visualization: Instantly convert images into false color to see exposure levels at a glance. Lighting Ratio Calculator: Tap two IRE swatches to get the lighting ratio and stop difference between highlights and shadows. Quick Reference Tool: Perfect for on-set use or pre-shoot planning, ensuring your lighting is spot on. Easy-to-Use Interface: Simple, intuitive design for fast analysis. Created to give filmmakers a quick and easy way to check exposure and lighting on the go. Whether you're on set or prepping for your next job, False Checker helps you nail the perfect shot. ## Key features - False color visualization - Lighting ratio calculator - Quick reference tool - Easy-to-use interface - Exposure analysis ## Chart rankings - #191 in Top Paid · Photo & Video (US App Store) ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/false-checker/id6726519689/reviews.md ### 3/5 — Please update *2025-10-06* Would love to use this but it just crashes when an image is uploaded. Please fix ## Frequently asked questions about False Checker ### What is False Checker used for? False Checker is a tool for filmmakers to analyze exposure and lighting on set or during pre-production. It uses false color visualization to provide insights into lighting ratios and exposure levels. ### How does False Checker help with lighting? It offers a lighting ratio calculator that allows you to tap two IRE swatches to determine the lighting ratio and stop difference between highlights and shadows, ensuring precise lighting control. ### Is False Checker easy to use on set? Yes, False Checker features a simple and intuitive design, making it easy to use for fast analysis directly on set or during pre-shoot planning. ### What devices does False Checker support? False Checker is available for iPhone and iPad devices. ### What is the price of False Checker? False Checker is a paid application, priced at $5.99. ### Does False Checker have ads? No, False Checker does not contain advertisements. ### What is the age rating for False Checker? False Checker has an age rating of 4+, making it suitable for a wide audience. ### How often is False Checker updated? The latest version is 2.1, and the app was last updated on April 21, 2026, indicating regular maintenance and potential feature additions. ## Version history (last 3 releases) ### 2.1 — 2026-04-21 What's New in 2.1 • New look — pro-cinema monitor aesthetic with a viewfinder frame, live exposure stats, and a redesigned IRE scope. • Tap-to-isolate — select any band on the IRE scope to see only those pixels in color; everything else drops to monochrome for instant, at-a-glance comparison. • Stop difference — tap two bands to get the stops between them and the light ratio, now computed on linear scene light for accurate readings. • Accurate exposure pipeline — proper sRGB → linear → Rec.709 conversion with Rec.709 luma weights for reliable IRE mapping. • Camera capture — shoot a frame directly in the app and see false color immediately. • Share and save — send the processed frame to any app, or save it to your library. • Pinch-to-zoom & hold-to-compare — inspect detail and compare against the original with a touch. • New app icon. ### 1.1 — 2024-10-02 Bug fixes. ### 1.0 — 2024-09-30 No release notes. ## Apps similar to False Checker | App | Rating | Price | Category | | --- | --- | --- | --- | | [ZoeLog](https://appshunter.io/ios/app/zoelog/id1116849235) | 4.6 (34) | Free | Photo & Video | | [CameraKit: Camera Tools](https://appshunter.io/ios/app/camerakit-camera-tools/id890528993) | 4.7 (319) | Free | Photo & Video | | [CineTemp](https://appshunter.io/ios/app/cinetemp/id6738967033) | 4.9 (27) | $19.99 | Photo & Video | | [LensKit: Lens Tools](https://appshunter.io/ios/app/lenskit-lens-tools/id1523521746) | 4.9 (54) | Free | Photo & Video | | [FinderKit: Viewfinder](https://appshunter.io/ios/app/finderkit-viewfinder/id1634870713) | 4.9 (13) | Free | Photo & Video | | [FrameUp - Cinema Viewfinder](https://appshunter.io/ios/app/frameup-cinema-viewfinder/id6504837642) | 4.9 (17) | Free | Photo & Video | ## More apps by eric Hernandez - [Mr.Mixo: AI Powered Mixologist](https://appshunter.io/ios/app/mrmixo-ai-powered-mixologist/id6471795618) - [Chef Piccolo: AI Powered Chef](https://appshunter.io/ios/app/chef-piccolo-ai-powered-chef/id6472242563) - [Stop Calculator](https://appshunter.io/ios/app/stop-calculator/id6720706774) - [Lightframer Pro](https://appshunter.io/ios/app/lightframer-pro/id6758417364) All apps by eric Hernandez: https://appshunter.io/developer/875120891 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*