Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
Relevance AI
Pros
+No-code builder for complex multi-agent workflows
+Trusted by large enterprises including Canva and Databricks
+2,000+ integrations including calling and meeting agents
+Built-in A/B testing and agent evaluations
Cons
−Enterprise-only pricing — no published self-serve tiers
−GDPR and SOC2 not confirmed from official sources
−Not suitable for individuals or small teams
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
Our take— Grammarly wins
Based on our comparison of published pricing, features, and compliance data, Grammarly scores 8.1/10 to Relevance AI's 7.5/10. Grammarly pulls ahead with SOC 2 certification and ISO 27001 certification. Relevance AI counters with a no-training-on-your-data policy. Pick Grammarly if SOC 2 certification matters; pick Relevance AI if a no-training-on-your-data policy matters.