Convert Experiences vs Optimizely

From $299 per month (Growth, paid annually, 100k tested users; $399 monthly)

Quote on request

Priced only on tested traffic — unlimited experiments, domains and users at every tier. Growth is $299/month paid annually ($399 monthly) for 100k tested users; Pro starts around $420/month annually.

Enterprise annual contracts, commonly in the tens of thousands and up. Priced by traffic and modules.

15-day trial.

No free tier.

Emerging

Convert Insights · since 2010

Widely used

Optimizely · since 2010

• Unlimited experiments and seats, so nobody rations testing to save licence cost.
• Serious privacy posture with EU hosting and no data resale.
• Transparent, published pricing.

• The most capable visual editor for non-technical experiment authoring.
• Deep personalisation and audience-targeting features.
• Established statistics with sequential testing, so peeking is handled correctly.

• Client-side only — no server-side experimentation.
• No feature-flag capability.
• Smaller vendor with a modest ecosystem.

• Expensive, with a suite-oriented sales motion that pushes adjacent products.
• Client-side testing causes flicker and is increasingly blocked by browsers and blockers.
• Heavyweight for teams that only need a handful of experiments.

Mid-sized e-commerce teams that want unlimited client-side testing with clean privacy handling.

Large marketing organisations running continuous experimentation on high-traffic sites.