Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
Synthesia
Pros
+Professional AI avatar videos
+140+ languages
+No filming required
+Good for corporate training and eLearning
+SOC2 certified
Cons
−Expensive for small teams
−Avatar realism still has uncanny valley moments
−Limited creative flexibility
Descript
Pros
+SOC2 Type II and GDPR compliant — strongest compliance credentials in the video category
+Transcript-based editing removes filler words and errors as easily as editing a document
+No AI training on user content by default — explicit opt-in required (confirmed from security page)
+API included with all paid plans for automating transcription, captions, and publishing
Cons
−End-user MFA not confirmed — employee systems only per security page
−ISO 27001 not confirmed from official sources
−AI credits cap at 1,500/month on Business plan — may deplete with heavy video generation use
Our take— Synthesia wins
Based on our comparison of published pricing, features, and compliance data, Synthesia pulls ahead with ISO 27001 certification and multi-factor authentication. Descript stays close but doesn't lead on any single attribute here. Synthesia scores 8.1/10 to Descript's 8.0/10. Pick Synthesia if ISO 27001 certification matters; Descript is the pick if it doesn't.