AI Captions: automatic subs is an iPhone app that automatically generates subtitles for your videos using AI, making clips easier to follow—especially when watched without sound.
AI-powered auto captions
The app detects speech in your video and syncs on-screen text to the audio, producing clean, readable captions for short-form and vertical content.
Speech-to-text captioning for videos
Automatic timing and text-to-audio sync
Designed for vertical, social-first formats
Who it’s for
AI Captions is built for creators who want a faster workflow: record or upload a clip, and the app handles transcription and caption formatting so you can focus on the content.
Content creators and bloggers
Social media managers publishing frequently
Anyone adding captions for accessibility and clarity
Fast turnaround for publishing
The tool is optimized for speed, letting you create a captioned video in about a minute. A simple interface and automation make it practical for regular posting and improving viewer engagement.

