Sports reactions
Set your phone down with room to move, then watch the match while Reaction Mode looks for your reactions.
Your Reactions
Happen Naturally.
Fesi Captures Them.
Fesi automatically detects your reactions while you watch TV, movies, sports and more. Hands-free capture with on-device reaction detection.
Available for iPhone and Android
HOW IT WORKS
Catch Every Reaction. Effortlessly.
Fesi automatically detects when you’re reacting, records the best moments, and makes it easy to save and share.
1
Set It Up
Open Fesi, give the required permissions, and get ready in seconds.
2
Watch as Usual
Watch your favorite shows, games, or videos. Keep Fesi open while it detects your reactions.
3
Review Your Moments
Fesi automatically saves your best reactions. You can trim, edit, or delete anytime.
4
Save & Share
Export your favorite reactions and share them anywhere: TikTok, Instagram, YouTube, X, or with friends.
BUILT FOR YOUR MOMENTS
For sports fans, movie watchers and creators.
Movie nights
Review captured surprises and laughs in your Library. Lighting and background noise can affect detection.
Creator clips
Review and trim captured moments, then share the clips you choose with your audience.
FREQUENTLY ASKED QUESTIONS
Got Questions? We’ve Got Answers.
Yes, Fesi is completely free to download and use on both iOS and Android. An optional Fesi Pro subscription unlocks unlimited recording time and extended high-bitrate export settings.
Fesi is available for iPhone and Android. Check the App Store listing or Android download guidance for current device requirements. Siri shortcuts require a compatible iOS version.
Fesi runs lightweight, on-device computer vision and audio classification in volatile memory. When you cheer, laugh, gasp, or shout, Fesi can capture a reaction with a short pre-roll buffer. Detection depends on framing, lighting, noise and device capabilities.
Fesi uses Google Play checkout for Pro and background purchases. Fesi and the selected product must be available to your Google Play account. Our public Google Play release is being prepared; the direct APK is available now for free features.
Reaction detection and background processing run on your device, and recordings stay local unless you export or share them. Advertising and purchase providers may process service data. Read our privacy policy for details.
Yes! You can review all your captured moments in the built-in Library, trim the start and end of clips, delete unwanted footage, or export directly to your Photos roll.
Yes, Fesi Pro is available as an optional subscription for $1.99 per month or $19.99 per year, granting power users unlimited reaction session durations and premium export options.