Best AI tools to add interactivity to videos
| Tool | What it does | Pricing | Free tier | Refunds |
|---|---|---|---|---|
| Synthesia | AI video platform for business that generates videos from text using AI avatars and voices. | Free tier; paid from $19/mo | Yes | — |
| SummYT | Summarize YouTube videos and access transcripts, chat, and a personal video library. | Not stated on site | — | — |
| HeyGen | AI video generator for creating, localizing, scaling, and collaborating on video without cameras or production skills. | Free tier; paid from $29/mo * | Yes | None stated |
| Colossyan | AI platform that turns documents, briefs, or raw expertise into training and enablement videos and courses. | Free tier; paid from $30/mo * | Yes | 14 days |
| Rosebud | An AI-powered platform for creating games from descriptions or templates. | Not stated on site * | — | — |
— means the vendor does not state it on the pages we read.
* pricing not verified against the vendor's pricing page.
Synthesia
Visit Synthesiasynthesia.io
AI video platform for business that generates videos from text using AI avatars and voices.
Make your videos 10x more engaging with interactive elements like quizzes, CTAs, and branching scenarios.
Pricing, in their words: “Plans now starting from $14/month - Save 34%” (pricing)
Subscription terms they state: auto-renews (source)
Limits the vendor states:
- Avatars cannot be exported
Summarize YouTube videos and access transcripts, chat, and a personal video library.
open chat while you are already watching.
Pricing, in their words: “The Service offers various paid tiers, each with different quotas for the number of videos a user can summarize.” (pricing)
No usage limits stated on the pages we read.
HeyGen
Visit HeyGenheygen.com
AI video generator for creating, localizing, scaling, and collaborating on video without cameras or production skills.
Interactive Video (Quizzes, Links, more)
Pricing: Free tier; paid from $29/mo (pricing)
Subscription terms they state: cancel in-app · auto-renews · states no refunds (source)
Limits the vendor states:
- Free plan commercial use restriction
Colossyan
Visit Colossyancolossyan.com
AI platform that turns documents, briefs, or raw expertise into training and enablement videos and courses.
Create videos with quizzes and branching scenarios.
Pricing: Free tier; paid from $30/mo (pricing)
Subscription terms they state: cancel in-app · 14-day refund window (source)
Limits the vendor states:
- cannot refund after 14 days if >10 minutes generated
Rosebud
Visit Rosebudrosebud.ai
An AI-powered platform for creating games from descriptions or templates.
Interactive Story game template
No usage limits stated on the pages we read.
FAQ
Is there a free tool to add interactivity to videos?
Yes — Synthesia, HeyGen, Colossyan offer a free tier.
What is the cheapest paid option to add interactivity to videos?
Synthesia starts at $19/month.
Which of these have an API?
Synthesia, HeyGen, Colossyan document a developer API.
How do I cancel these subscriptions?
HeyGen: cancel in-app; Colossyan: cancel in-app. Synthesia, SummYT, Rosebud do not state a cancellation route on the pages we read.
Can I get a refund?
HeyGen states it does not offer refunds; Colossyan states a 14-day refund window. The others (Synthesia, SummYT, Rosebud) do not state a refund policy on the pages we read.
Do these subscriptions auto-renew?
Synthesia, HeyGen state that paid plans renew automatically. Check the billing page before subscribing; the rest do not state it either way.
Sources
Every fact above was read from the vendors' own pages: