# Duoptra - Dual Camera — Pro Dual Camera & Video Editor > Professional dual-camera app with manual controls and video editing. (iPhone/iPad app by Jonathan Mercandalli.) - Source: https://appshunter.io/ios/app/duoptra-dual-camera/id6761823299 (this page in markdown: same URL + `.md`) - Developer: [Jonathan Mercandalli](https://appshunter.io/developer/1891612621) - Category: Photo & Video, Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 15.6 · 11 MB - Languages: American English, Arabic, Khmer, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France) and 27 more - Released: 2026-04-09 - Data updated: 2026-08-27 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/duoptra-dual-camera/id6761823299/reviews.md ## What is Duoptra? Duoptra is a professional dual-camera app designed for filmmakers, content creators, and anyone who wants full manual control over their iPhone and iPad camera. DUAL CAMERA RECORDING Record from front and back cameras simultaneously. A draggable, resizable picture-in-picture window lets you frame both angles in real-time. Perfect for vlogs, reactions, tutorials, and behind-the-scenes content. PRO VIDEO FORMATS Choose the codec and container that fits your workflow: - H.265 (HEVC) in MOV or MP4 - H.264 (AVC) in MOV or MP4 - Apple ProRes 422 - Apple ProRes 4444 Shoot in resolutions from 720p to 4K at up to 60fps. Dynamic bitrate adapts to your selected codec and resolution for optimal file size and quality. PROFESSIONAL MONITORING TOOLS - Waveform Monitor: Real-time luminance display with overexposure detection - Zebra Overlay: GPU-accelerated animated stripes highlighting overexposed areas - Focus Peaking: Metal-powered edge detection with red highlight overlay - Audio Meter: Stereo level bars with peak hold indicators and dB scale - Rule-of-Thirds Grid: Compose your shots with precision FULL MANUAL CONTROLS - ISO / Gain: Switch between auto and manual with a precise slider - Shutter Speed: From 1/8000s to 1/4s with real-time display - Exposure Bias: Fine-tune exposure from -3.0 to +3.0 EV - Zoom: Pinch or use the scroll wheel, from 1x to 10x with haptic feedback - Tap-to-Focus with visual indicator - Flash toggle - Audio gain adjustment - Video stabilization - Low-light boost BUILT-IN VIDEO EDITOR - Trim your clips with start and end handles - Crop with an 8-handle overlay and aspect ratio lock - Scale up to 5x, pan, rotate in 90-degree steps - Flip horizontal or vertical - View metadata: resolution, codec, duration, frame rate LIBRARY Browse your videos and photos organized by day. Multi-select and delete in bulk. Pull to refresh. Designed for iPhone. Terms of Use: https://mercandalli.com/ios/apps/terms-of-use/Duoptra%20Dual%20Camera ## Key features - Simultaneous dual-camera recording - Pro video formats (ProRes, H.265, H.264) - Manual ISO, shutter speed, and exposure controls - Advanced monitoring tools (waveform, focus peaking) - Built-in video trimming and cropping - 4K resolution at up to 60fps ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Full version | $0.99 | per 7 days | | Full Access Pass | $0.99 | per month | | Full Access Pass | $4.99 | per 7 days | | Full Access Pass | $4.99 | per month | ## Frequently asked questions about Duoptra ### What is Duoptra? Duoptra is a professional dual-camera app for iPhone and iPad that allows simultaneous recording from front and back cameras. It provides advanced manual controls and built-in video editing features. ### Does Duoptra have ads? Yes, Duoptra contains advertisements. As a free application, it utilizes ads to support its development and ongoing services. ### What video formats does Duoptra support? Duoptra supports professional video formats including H.265 (HEVC) and H.264 (AVC) in MOV or MP4 containers, as well as Apple ProRes 422 and Apple ProRes 4444. ### Can I control camera settings manually in Duoptra? Yes, Duoptra offers full manual controls for ISO, shutter speed, exposure bias, zoom, focus, and audio gain, allowing for precise adjustments to your footage. ### What monitoring tools are available in Duoptra? Duoptra includes professional monitoring tools such as a Waveform Monitor for luminance display, Zebra Overlay for overexposure detection, Focus Peaking for edge highlighting, and Audio Meters. ### What devices is Duoptra compatible with? Duoptra is designed for iPhone and iPad devices, offering a professional dual-camera experience on Apple's mobile platforms. ### How often is Duoptra updated? The latest version of Duoptra is 1.00.35, and it was last updated on May 3, 2026. Updates typically include new features, bug fixes, and performance improvements. ### What is the age rating for Duoptra? Duoptra has an age rating of 4+, making it suitable for a wide range of users. This rating indicates that the app is generally appropriate for children and adults. ## Version history (last 5 releases) ### 1.00.36 — 2026-07-18 - New onboarding app presentation ### 1.00.35 — 2026-05-03 - Default mode is now: Photo - Fix settings background on old iOS version ### 1.00.34 — 2026-04-30 - Improve main camera UI and settings design - Better settings seek bars - New sections in settings - Better toast message ### 1.00.32 — 2026-04-28 - Slow motion and high fps support - Settings to see live video size estimation ### 1.00.31 — 2026-04-25 Fix issue causing a black screen on old iOS version (16, 17, 18...) ## More apps by Jonathan Mercandalli - [Tennis Radar: Ball Speed Gun](https://appshunter.io/ios/app/tennis-radar-ball-speed-gun/id6762805167) - [Golf Radar - Swing Speed Gun](https://appshunter.io/ios/app/golf-radar-swing-speed-gun/id6793128460) All apps by Jonathan Mercandalli: https://appshunter.io/developer/1891612621 --- *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 2026-08-27.*