Feature	Replio	Second Nature	Hyperbound	Yoodli	Retorio	ElevenLabs
Practice format	Live voice conversations with adaptive personas	Structured role plays with voice, moving or video avatars	Simulated sales calls with AI buyer bots	Roleplays plus speaking-delivery analytics	Video and phone simulations with photorealistic avatars	Voice-agent platform; training tools are built on it
Scope	10 domains: sales, support, HR, healthcare, defense, language learning and more	Sales, support, call center, HR, L&D	Sales and revenue teams	Individuals, GTM enablement and L&D	Enterprise sales and service academies	Developers and enterprises building their own agents
EU data hosting	Yes, by default	Netherlands data center per its FAQ; company based in Tel Aviv and New York	EU residency as an add-on; US company	US company; EEA data transferred abroad per its privacy policy	Yes, by default	Enterprise-only EU residency; US by default
Self-serve start	Yes, free plan, no sales call	No, demo request; free samples behind a lead form	Free tier of prebuilt roleplays; licenses via sales	Yes, free individual tier (5 lifetime sessions)	No, quoted per user; enterprise contracts run 36 months	Yes, free agent tier; the training app is your build
Practice languages	58 with regional variants	30+ advertised	25 to 30+	40+ per its site	14	70+ (agents), 90+ (voices)
Video avatar personas	Yes, add-on: live video avatar, generated in the EU	Yes, English-only single-persona video avatars	No video avatar	Live Avatar listed in its release notes	Yes, 93 photorealistic avatars	Script-to-video avatars; live agents through a HeyGen integration
Content from your documents	Visuals, training videos and expert calls from your Knowledge Library	Role plays from files or URLs; no visuals or videos	Documents become bots (Kota CMS preview); no visuals or videos	Learning content from source files; no videos, no expert call	Programs from uploaded text; no visuals or videos	No: you build the training layer yourself
Price	Free plan; Business €549 and Growth €749 per month	Not published; quoted after a demo	Not published; per-user licenses via sales	Individual plans at $8 and $20 per month; teams on request	Not published; per-user licenses on request	Agents from free to $990 per month; you build the training app

Based on publicly available information, last verified in October 2026. Capabilities evolve on both sides, so confirm the details that matter with each vendor.