Reaction Studio

React to anything. Reaction Studio lets you record your face over any video, edit it, and share straight to TikTok, Reels, and Shorts all on your iPhone.

2-WAY CAMERA
Record your front and back cameras at the same time. React to whatever's in front of you in the real world, your face sits in a corner while the back camera captures the moment.

REACT TO YOUR FEED
Scroll your real TikTok, Instagram, or YouTube feed and screen-record it with your front-camera reaction overlaid live. You choose exactly what to capture.

RECORD OVER ANY VIDEO
Import from your camera roll or paste a link, then record your reaction picture-in-picture. Set exactly where the reaction starts, and resize, move, and style your camera box.

FULL EDITOR
Trim, split, and remove sections. Add captions, text, stickers, intros, outros, title cards, and a progress bar. Choose picture-in-picture, side-by-side, or split layouts.

COMMUNITY
Post your reactions to the feed, follow other creators, and collaborate on reactions together all built in.

CLOUD BACKUP
Save your reactions privately to the cloud so they're safe even if you lose your phone. Only you can see your cloud videos.

SMART AUDIO — NO FEEDBACK
Headphone detection, echo cancellation, noise suppression, and automatic speaker ducking stop audio loopback so your recordings sound clean. Control video and mic volume independently, mute either, or go full voice-over.

EXPORT & SHARE
Render in 1080p for Reels, TikTok, Shorts, feed, or landscape. Save to your camera roll or share anywhere in one tap.

PRIVATE BY DESIGN
Reaction Studio only records what you choose to capture. It never accesses other apps' data or feeds, and your videos stay private to you.