About this app
Add professional captions to any video — entirely on your device. AUTOMATIC TRANSCRIPTION Import a video and let the built-in Whisper AI transcribe speech to text in seconds. Everything runs locally on your iPhone — your videos never leave your device. WORD-LEVEL KARAOKE HIGHLIGHTING Watch each word light up as it's spoken with smooth karaoke-style animation. Perfect for social media content that grabs attention. FULLY CUSTOMIZABLE STYLES • Choose from beautiful preset styles or create your own • Adjust font, size, color, background, and position • Add text animations and effects • Drag to reposition captions anywhere on screen PROFESSIONAL EXPORT • Export in high quality with captions burned into the video • Import and export SRT subtitle files • Add your own logo or watermark overlay • Perfect for Instagram Reels, TikTok, YouTube Shorts, and more EDIT WITH PRECISION • Edit transcript text directly • Split and merge caption segments • Undo/redo support for worry-free editing • Copy full transcript to clipboard 100% OFFLINE & PRIVATE No internet connection needed. No cloud processing. No account required. Your content stays on your device. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Latest release
What’s New
- Overhauled UI - Added drag and drop to the Captions in the preview window - PiP for editing the font style and adjusting Caption options Thanks a lot for using Captions AI. If you have any questions or ideas for new features, just drop me a message using info@mkgames.org. - best Marvin
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 4, 2026 · 2:39 AM Free
Screenshots
