Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
Replit
Pros
+GDPR compliant with EU representative appointed (confirmed from privacy policy)
+Build, run, and host in a single browser-based environment
+Free Starter tier with daily AI agent credits — no card required
+Enterprise plan includes single-tenant environments and SSO
Cons
−SOC2 not confirmed from official sources
−Core and Pro tiers priced in credits — actual usage cost unpredictable
−Less capable than desktop IDEs for large, complex codebases
Kling AI
Pros
+Wide creative tooling: text-to-video, image-to-video, AI avatars, lip-sync, and motion control
+Developer API available with per-second pricing for video generation (klingai.com/dev)
+Kling 3.0 supports up to 4K resolution and native audio generation
+International-facing platform with English-language interface
Cons
−Consumer subscription pricing not verifiable from official English-language pages
−GDPR, SOC2, and ISO 27001 compliance not confirmed from official sources
−Data residency and training practices not publicly documented in accessible pages
Our take— Replit wins
Based on our comparison of published pricing, features, and compliance data, Replit scores 7.8/10 to Kling AI's 7.0/10. Replit pulls ahead with GDPR compliance and multi-factor authentication. Kling AI stays close but doesn't lead on any single attribute here. Pick Replit if GDPR compliance matters; Kling AI is the pick if it doesn't.