Split vs AB Tasty

Free tier available

Quote on request

Paid tiers are quote-based, priced by monthly tracked keys.

Quote-based annual contracts priced by traffic volume.

Free tier with limited monthly tracked keys.

No free tier; demo on request.

Established

Harness · since 2015

Established

AB Tasty · since 2009

• Automatic metric impact on every flag catches regressions nobody thought to measure.
• Guardrail alerts stop a bad rollout before it reaches everyone.
• Strong data-platform integrations.

• EU hosting and GDPR posture simplify European procurement.
• Good balance between marketer-friendly editing and server-side flags.
• Strong support reputation in European markets.

• Post-acquisition roadmap now sits inside Harness's broader platform strategy.
• Requires meaningful event instrumentation before the impact analysis is useful.
• Opaque enterprise pricing.

• Less well known outside Europe, with a smaller partner ecosystem.
• Quote-based pricing with no self-serve entry.
• Statistics engine is less differentiated than the warehouse-native platforms.

Teams that want every release measured, not just deliberate experiments.

European e-commerce and media companies with GDPR-driven vendor requirements.