Captions AI vs Postdom: features, pricing and verdict for 2026

Captions is a strong AI video editor. It started as a captions app, merged with Mirage Studio, and says it has 20M users (Captions home page, checked 8 October 2026). Max adds AI edit styles, full AI-made videos, digital twins and custom AI actors, a chat-based editor and batch clips from long videos.

It is a tool for making and editing videos. It does not start from your website, and its site does not describe scheduling or posting to social platforms. You still plan each video, export it and post it yourself.

If that editing work is the job you want help with, Captions is good value. If you want the posts planned, made in your brand and posted, Postdom does that part.

Captions: you bring footage, a prompt or a script. It edits, adds captions, music and B-roll, and can put an AI actor or your digital twin on screen.

Postdom: social formats that already work on TikTok and Instagram. Your For You feed fills with finished posts built from real clips and photos with native text boxes, music and optional voiceover. The Create section has Videos, Slideshows, Single images and Remix. AI personas on paid plans put the same person on screen in every video, with no camera.

With Captions you edit each video and share it yourself. Its site does not describe a posting queue.

Postdom schedules what you approve at set times in your time zone, with quiet hours overnight. The AI label is on by default for TikTok, Instagram and YouTube posts.

Postdom posts to nine platforms in total. Videos go to TikTok, Instagram, YouTube, Facebook and LinkedIn. Slideshows go to TikTok, Instagram, Facebook and LinkedIn.

Captions sits with AI video tools such as HeyGen, Creatify and Arcads. HeyGen is closer for AI-person video with many languages. Creatify and Arcads focus on AI-actor video ads. Captions stands out as an editor for footage you film yourself, at a low entry price.

None of these make posts from your website and post them for you. That is where Postdom differs. See the Captions AI alternatives, with prices and free plans.

• A lower entry price: Max is $24.99 a month (Captions pricing page, checked 8 October 2026) against Postdom's $39 Starter.
• A free editor with no video limit stated on its site, where Postdom's Free plan makes 1 post a month.
• Editing footage you film yourself, with translation and subtitles in 100+ languages (Captions home page, checked 8 October 2026).
• AI actors and a digital twin of you on the Max plan.
• A big brand, with 20M users (Captions home page, checked 8 October 2026).

Postdom is still the pick for a small business that wants the posts made from its website and posted for it, without editing each video.

• Your website is the brief. Postdom reads your logo, colours, fonts, tone, what you do and who it is for, and makes posts in your brand.
• It posts for you. Approved posts go out to nine platforms on official APIs. Captions' site does not describe posting.
• More than video. Slideshows and single images as well as videos. In Postdom's study of 1,278 TikTok posts, photo slideshows drew 51 saves per 100 likes, 4.5 times the rate for videos.
• Earned autopilot. Postdom offers to post a type without review only after 9 of your last 10 were approved without edits.
• API and MCP on every plan. Your own AI agent can post through Postdom, from Claude or ChatGPT.

This comparison is written by Postdom. Captions statements come from Captions' own site, checked on 8 October 2026. Where Captions does not state something, we say so instead of guessing. Postdom statements come from the product itself.