App promo and demo video makers (AI)
You built the app. Now you need a short video for the launch post, the App Store page or Product Hunt. These AI tools turn a script, a screen recording or a long demo into a clean promo video.
Updated 26 Oct 2026
Tools
Fliki Affiliate link
Write a short script and get a voiced video with captions. Good for explainer and feature videos.
Try it →OpusClip Affiliate link
Cut a long demo, livestream or podcast into short vertical clips for X, LinkedIn, TikTok and Reels.
Try it →Opus Agent Affiliate link
Describe the promo you want and the agent plans and produces a short video.
Try it →Kittl Affiliate link
Make the app logo, icon ideas and launch graphics with AI and templates.
Try it →Speechify Affiliate link
Natural AI voiceover from text if you only need the narration.
Try it →
A 30-second promo in 4 steps
- Write 4 lines: the problem, what the app does, one key feature, and the call to action.
- Record the screen showing that one feature (keep it under 20 seconds).
- Add voice and captions with Fliki, or cut a longer demo into clips with OpusClip.
- Export 16:9 for your site and 9:16 for social, and put your logo on the last frame.
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