AI Captions: automatic subs

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.