Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
Otter.ai
Pros
+Excellent meeting transcription and summarisation
+Integrates with Zoom, Teams and Google Meet
+Good accuracy on clear audio
Cons
−Struggles with heavy accents or poor audio quality
−Free tier limited to 300 minutes per month
−Not useful outside meeting and transcription use cases
HeyGen
Pros
+SOC 2 Type II certified with a dedicated Data Protection Officer
+175 languages with AI lip-sync — broadest language support in category
+Free tier includes 3 videos and a custom digital twin
+API access from Creator tier for workflow automation
Cons
−Uses user content to train models by default — opt-out required
−Credit costs for Avatar IV/V are 20× higher than Avatar III
−Business tier at £117/mo is expensive for smaller teams
Our take— HeyGen wins
Based on our comparison of published pricing, features, and compliance data, HeyGen takes the overall edge, though Otter.ai offers a no-training-on-your-data policy. HeyGen scores 8.0/10 to Otter.ai's 7.6/10. Pick Otter.ai if a no-training-on-your-data policy matters — HeyGen takes it overall on our scoring, but the gap is narrow.