Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
Grammarly
Pros
+SOC 2 Type II and ISO 27001 certified — strongest compliance in the writing category
+Works across browser, desktop, Word, Google Docs, and email with one install
+Pro tier confirmed at £10/mo in GBP — transparent UK pricing
+Explicit opt-out from AI model training available in account settings
Cons
−Trains on user writing by default — opt-out required
−GDPR compliance not explicitly confirmed on accessed official pages
−Free AI prompt limit (100/mo) may feel restrictive for daily users
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— Grammarly wins
Based on our comparison of published pricing, features, and compliance data, Grammarly pulls ahead with ISO 27001 certification and multi-factor authentication. Descript counters with GDPR compliance. Grammarly scores 8.1/10 to Descript's 8.0/10. Pick Grammarly if ISO 27001 certification matters; pick Descript if GDPR compliance matters.