# Stop Calculator — Designed for Filmmakers > Calculates precise exposure stop differences between two cameras for filmmakers. (iPhone/iPad app by eric Hernandez.) - Source: https://appshunter.io/ios/app/stop-calculator/id6720706774 (this page in markdown: same URL + `.md`) - Developer: [eric Hernandez](https://appshunter.io/developer/875120891) - Category: Photo & Video, Productivity - Price: $0.99 - Rating: 5.00/5 from 4 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 15.6 · 1 MB - Languages: American English - Released: 2024-10-03 - Data updated: 2026-08-08 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/stop-calculator/id6720706774/reviews.md ## What is Stop Calculator? Easily compare exposure settings between two cameras and get instant feedback on exposure differences. Whether you’re working with multiple cameras or trying to match your settings across different setups, Stop Calc simplifies the process by calculating precise stop differences in exposure. No more guessing—quickly find out if your settings are underexposed or overexposed and make informed decisions to get perfect shots every time. Key features: - Compare ISO, t-stop, shutter angle, and FPS between two cameras - Get accurate stop differences in real-time - Simple, intuitive interface designed for filmmakers Perfect for cinematographers, videographers, and anyone who needs precise exposure matching across different cameras. ## Key features - Compare ISO, t-stop, shutter angle, and FPS - Real-time stop difference calculation - Intuitive interface for filmmakers - Exposure feedback for underexposed/overexposed shots ## Chart rankings - #155 in Top Paid · Photo & Video (US App Store) ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/stop-calculator/id6720706774/reviews.md ### 5/5 — Perfect tool in set filmmaker *2024-10-11* As a filmmaker, you always wish there was apps that were facilitate your life in set. This is one of the apps that will save your life. Thank you so much for making this happen. ### 5/5 — Simple yet perfect *2024-10-04* Great app for doing the math quickly for those that struggle to do it in their head! ## Frequently asked questions about Stop Calculator ### What is Stop Calculator used for? Stop Calculator is used to compare exposure settings between two cameras and calculate the precise stop differences in exposure. This helps filmmakers ensure their shots are perfectly matched and exposed correctly. ### What camera settings can Stop Calculator compare? Stop Calculator can compare ISO, t-stop, shutter angle, and FPS between two cameras. This allows for a comprehensive comparison of key exposure parameters. ### Is Stop Calculator suitable for beginners? Yes, Stop Calculator features a simple and intuitive interface designed for filmmakers, making it easy to use for both experienced professionals and those new to cinematography. ### What devices does Stop Calculator support? Stop Calculator is available for iPhone, iPad, and iPod devices, allowing filmmakers to use it on their preferred Apple hardware. ### How often is Stop Calculator updated? The latest version of Stop Calculator is 1.0.2, and it was last updated on October 7, 2024. This indicates recent development and potential for future improvements. ### What is the price of Stop Calculator? Stop Calculator is a paid application priced at $0.99. This one-time purchase grants access to all its features. ### Does Stop Calculator have ads? No, Stop Calculator does not contain advertisements. Users can enjoy a seamless experience without any interruptions. ### What is the age rating for Stop Calculator? Stop Calculator has an age rating of 4+, making it suitable for a wide audience of users. ## Version history (last 3 releases) ### 1.0.2 — 2024-10-07 New Features (Thanks for everyone's feedback and positive reviews!) Master Settings for Camera Comparisons: We’ve replaced the generic 'Camera A' with 'Master Settings,' which now serves as the reference for all your camera comparisons. This ensures you're always comparing other cameras to a consistent baseline. The Master Settings are fixed and cannot be renamed, giving it a clear role in your workflow. Add, Rename, and Delete Cameras: Now you can add, rename, and manage multiple cameras with ease! Each new camera is named alphabetically (Camera A, Camera B, Camera C, etc.) for clarity. You can also rename any camera after Camera B to match your setup and, if needed, delete any added cameras with a simple tap on the new trash icon. (Master Settings and Camera B cannot be deleted for comparison accuracy. ### 1.0.1 — 2024-10-04 Introduced a new Exposure Offset input for both Camera A and Camera B. This feature allows users to input exposure adjustments based on additional equipment or conditions that affect exposure (such as speed boosters, ND filters, or other gear). By entering an exposure offset, users can fine-tune the comparison between two cameras and account for any gear that might alter exposure levels. The app will automatically incorporate the exposure offset into the comparison calculations, giving more accurate exposure differences between the cameras. (Thanks to @mickhawkins_ for the suggestion!) UI Enhancements. ### 1.0 — 2024-10-03 No release notes. ## Apps similar to Stop Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [f8 Lens Toolkit](https://appshunter.io/ios/app/f8-lens-toolkit/id887877435) | 4.9 (26) | $9.99 | Photo & Video | | [Freefly Ember](https://appshunter.io/ios/app/freefly-ember/id1610210889) | 5.0 (6) | Free | Photo & Video | | [pCAM Pro - Camera Tools](https://appshunter.io/ios/app/pcam-pro-camera-tools/id1308057201) | 4.9 (222) | $34.99 | Photo & Video | | [BLACKSLATE7](https://appshunter.io/ios/app/blackslate7/id6443485693) | 2.7 (6) | Free | Photo & Video | | [CameraKit: Camera Tools](https://appshunter.io/ios/app/camerakit-camera-tools/id890528993) | 4.7 (319) | Free | Photo & Video | | [Teradek Serv](https://appshunter.io/ios/app/teradek-serv/id1611211791) | — | 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) - [False Checker](https://appshunter.io/ios/app/false-checker/id6726519689) - [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 2026-08-08.*