Side by side
Gostellar vs Otterab
Plans read from both vendors' own pricing pages, with the same seats and billing applied to each. Otterab is a verified alternative to Gostellar: it does the same main job for a similar customer.
Stellar is a lightweight A/B testing platform designed for agencies and growth teams to launch experiments quickly without developer involvement. It features a 5.4KB script that preserves website speed and integrates with analytics tools like GA4 for real-time, privacy-conscious testing and insights.
- Starting price
- Price not published
- Price clarity
- Not graded
- Category
- Marketing & advertising
- Platforms
- Works with every platform including Shopify, Webflow, WordPress, Wix, Framer, and custom builds.
- Good fit for
- Agencies managing multiple clients and growth teams needing fast, no-code experimentation.. CRO specialists and marketing directors who want statistical confidence and AI-powered recommendations without bloat.
- Limitations
- Sandbox free plan limits to 5k monthly tracked users, 2 variants per experiment, and 1 active experiment with no heatmaps or AI insights.. Plus plan lacks heatmaps, funnels, and AI insights despite allowing more traffic and experiments.
Otter is A/B testing software focused on measuring revenue per variant alongside conversion rate and average order value to ensure the shipped version maximizes business revenue. It supports unlimited visitors and integrates with platforms like Shopify, WordPress, and Google Tag Manager, providing decision-ready analysis with frequentist and Bayesian statistics.
- Starting price
- From $39/mo
- Price clarity
- Price clarity grade C, 67 out of 100 67 of 100
- Category
- Other
- Platforms
- Not confirmed
- Good fit for
- Individuals and side projects needing flat-rate A/B testing with unlimited visitors and revenue tracking.
- Limitations
- No mention of free ongoing plan; only a 14-day free trial is offered.. Requires integration with existing GA4 purchase events or custom JavaScript for revenue tracking; no re-instrumentation needed but depends on existing event tracking.
What each one costs your team
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Known monthly subtotal
$39/month
1 of 2 tools could not be priced with these inputs, so this is not the full cost.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
| No pricing recorded yet. Check the official site, or ask the owner to add it. | |||
StarterCheapest fit Flat subscription | $39 | $468 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
Scale Flat subscription | $149 | $1,788 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
Gostellar
Best fit
Agencies managing multiple clients and growth teams needing fast, no-code experimentation.; CRO specialists and marketing directors who want statistical confidence and AI-powered recommendations without bloat.
Trade-offs
Sandbox free plan limits to 5k monthly tracked users, 2 variants per experiment, and 1 active experiment with no heatmaps or AI insights.; Plus plan lacks heatmaps, funnels, and AI insights despite allowing more traffic and experiments.
Integrations / export
Integrates experiment data with Google Analytics 4, Segment, Mixpanel, or any tracking tool via custom JavaScript hooks.
Otterab
Best fit
Individuals and side projects needing flat-rate A/B testing with unlimited visitors and revenue tracking.
Trade-offs
No mention of free ongoing plan; only a 14-day free trial is offered.; Requires integration with existing GA4 purchase events or custom JavaScript for revenue tracking; no re-instrumentation needed but depends on existing event tracking.
Integrations / export
Integrates with platforms including Shopify, WordPress, Webflow, Wix, WooCommerce, ClickFunnels, Squarespace, Framer, Next.js, and Google Tag Manager., Connects with Google Analytics 4 (GA4) to use existing events as conversion goals without extra tracking code., Provides branded, password-protected reports for sharing results with clients including custom logos and colors.
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