TrailStack vs VlogMask

Turn any video into a stunning strobe photo — right on your iPhone device. TrailStack stacks multiple frames from your video into one composite image, creating the classic strobe effect used by sports photographers, coaches, and creative artists. No cloud upload. No subscription. No Photoshop skills required. HOW IT WORKS 1. Pick any video from your camera roll 2. Adjust Trim, Interval, Sensitivity, Fade, and Cleanup sliders 3. See results instantly in the real-time preview 4. Export a crisp PNG at your video's original resolution to your Photos KEY FEATURES • Import any existing video — no in-app recording required • Real-time preview as you adjust every parameter • 4 built-in presets: Default, Sport, Art, Sharp • Supports slow-motion video for ultra-detailed motion analysis • Export at original video resolution PNG (up to 1920px on the longest side) • 100% on-device processing — your videos never leave your phone • Free to use, with an optional ad to remove the watermark from exports PERFECT FOR • Athletes & coaches — analyze a golf swing, tennis serve, or gymnastics routine • Skateboarders & BMX riders — capture trick sequences in one frame • Dancers & performers — visualize choreography and movement flow • Physics & science teachers — demonstrate motion and velocity visually • Social media creators — create eye-catching composite sports photos WHY TRAILSTACK? Other strobe photo apps require you to record video inside the app — TrailStack works with footage you already have. Sony MotionShot was discontinued in 2021. Clipstro is iOS-only and cannot import existing videos. Photoshop can achieve similar results, but takes 30–60 minutes of manual work per photo. TrailStack does it in seconds. PRIVACY FIRST All processing happens entirely on your device. We never upload, store, or transmit your photos or videos to any server. What's on your phone stays on your phone. FREE & FAIR TrailStack is free to download and use. Exports include a small watermark. Watch a short optional ad to save a watermark-free version at any time — no subscription, no hidden fees. Download TrailStack and see your movement in a whole new way.

VlogMask is a camera app that mosaics bystanders' and strangers' faces in real time while you record your vlog. Just tap your face (or the face you want to protect) and start filming. Every other face gets automatically pixelated — no post-editing required. Walk freely, film freely, and respect everyone's privacy at the same time ■ Who it's for - Street vloggers filming in busy cities - Travel creators shooting at tourist spots - Food and lifestyle vloggers working outdoors - Anyone tired of manually blurring faces in editing software - Creators who care about privacy and GDPR compliance ■ Key Features - Real-time face mosaic, burned into the final video - Tap to choose who to protect (shown with a green frame) - Front (selfie) and back (operator) cameras - 1080p and 4K recording - Built-in and Bluetooth microphones supported - Records in both portrait and landscape - Tap to protect additional people while recording - YuNet AI detects side profiles, angled faces, and small faces - Videos save automatically to your Photo Library - Use volume buttons to start and stop recording ■ Privacy by design Everything runs on your device. Your video, audio, and images never leave your iPhone. We collect nothing — no faces, no data, no tracking. ■ Free vs Pro Free - 1 protected person - Up to 5 minutes per recording - Full access to mosaic, camera switching, and all recording features Pro (one-time ¥1,000) - Multiple protected people - Unlimited recording time - Future feature updates included ■ Requirements - iOS 17.0 or later - iPhone with front and back cameras ■ Support Questions or feedback? Reach us at contact@kouworks.jp Support page: https://hibinokou-spec.github.io/vlogmask-support/ Privacy Policy: https://hibinokou-spec.github.io/vlogmask-support/privacy/ ■ Please note Detection accuracy varies with face angle, distance, and lighting. The app errs on the side of masking for privacy, but cannot guarantee perfect detection of every profile or partially-visible face. Always review your footage before publishing.