Who does it serve and what problem does it solve?
Pitches the "lightest script" (the website says 25 times smaller than VWO) and a low-priced entry tier, positioned as a replacement for Google Optimize after its shutdown and as an alternative to VWO and Optimizely
Target Audience
Marketers, growth teams, and small agencies doing conversion rate optimization (CRO), and small and mid-size websites built on Shopify, Webflow, WordPress, Wix, and Framer
How does it charge?
subscriptionSandbox free (5k MTU, 1 experiment); Plus $29/month; Pro $99/month; Scale $399/month (all billed annually); Enterprise by quote; paid tiers have a 14-day free trial
The above describes historical pricing. Check official website for current prices.
Where do users come from?
Traffic estimate 2026-09: the top channel is direct (39.3%), followed by organic search (estimated share about 45.5%) and referrals (about 9.1%); the keywords include the brand keywords 'stellar ab' and 'stellar ab testing', blog-content keywords such as 'high impact vs medium impact hero', the Polish 'alternatywa dla google optimize', and the Spanish 'que mide el test de raven', and about 34% of keyword traffic is paid. The website blog has about 400 articles, the earliest dated 2024-07-18 and the latest 2026-10-30, on A/B testing, CRO, page speed, and comparisons with VWO, Optimizely, and Google Optimize, and there is an entry point to an affiliate program. The website quotes a G2 4.8 rating.
Channel share, initial acquisition, and growth drivers are distinct; correlation does not imply proven causation.
What remains to be verified?
The following are research questions, not established market opportunities.
- What do target users actually pay for? Is there direct user feedback or paid interview evidence?
- Are these historical prices still active today? What are the conversion, retention, and fulfillment costs?
- Is the "Traffic estimate 2026-09: the top channel is direct (39.3%), followed by organic search (estimated share about 45.5%) and referrals (about 9.1%); the keywords include the brand keywords 'stellar ab' and 'stellar ab testing', blog-content keywords such as 'high impact vs medium impact hero', the Polish 'alternatywa dla google optimize', and the Spanish 'que mide el test de raven', and about 34% of keyword traffic is paid. The website blog has about 400 articles, the earliest dated 2024-07-18 and the latest 2026-10-30, on A/B testing, CRO, page speed, and comparisons with VWO, Optimizely, and Google Optimize, and there is an entry point to an affiliate program. The website quotes a G2 4.8 rating." channel still viable? What resources do indie devs need to test it?
- Whose needs are competitors failing to meet? Find specific evidence before deciding on your angle.