Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
Lindy
Pros
+Explicitly commits to never training models on user data
+SOC 2 and GDPR certified — strong compliance for UK businesses
+HIPAA compliant on Enterprise — suitable for health and finance
+MCP support for broad integrations
Cons
−No free tier — trial only via Slack invite
−Pro and Max tiers expensive for solo users
−Credit-based model makes cost hard to predict
QuillBot
Pros
+Free tier paraphrases up to 125 words with no time limit
+9 paraphrase modes including Formal, Simple, Creative, and Expand
+Premium at £4/mo (annual) is the lowest price in the writing category
+Plagiarism checker and AI Detector bundled with Premium
Cons
−GDPR and SOC2 not confirmed from official sources
−Free tier capped at 125 words per paraphrase — limiting for longer content
−Focused on paraphrasing — not a full-document AI writing assistant
Our take— Lindy wins
Based on our comparison of published pricing, features, and compliance data, Lindy scores 7.9/10 to QuillBot's 7.3/10. Lindy pulls ahead with GDPR compliance and SOC 2 certification. QuillBot counters with a free tier. Pick Lindy if GDPR compliance matters; pick QuillBot if you need a free tier.