Nelio A/B Testing vs Otter

Nelio A/B Testing

Figure	Nelio A/B Testing	Otter
Price from	Free	$39/mo
Free plan	Yes	—
Free trial	—	Yes
Open source	—	—
Web	Yes	Yes
API	—	Yes
Plans published	4	3
Spec score · Conversion Rate Optimisation Tools	7.4 (#14)	7.6 (#10)
Spec score · A/B Testing Tools	7.3 (#45)	7.6 (#32)
Integrations	The product works with WooCommerce and lists Gutenberg, Elementor, Divi, Beaver Builder, Leadpages, and OptimizePress compatibility.	Otter lists Shopify, WordPress, Webflow, Wix, WooCommerce, ClickFunnels, Squarespace, Framer, Next.js, Google Tag Manager, and custom JavaScript as supported stacks.
Privacy	The plugin listing says experiment tracking does not store sensitive or personal visitor data, while noting that the plugin communicates with Nelio cloud services to process and store test results.	The privacy policy says Otter does not sell visitor data, share it between customer accounts, or use it for advertising or profiling.
Product	Nelio A/B Testing is a WordPress plugin for running A/B tests and conversion optimization from the WordPress dashboard.	Otter is A/B testing software that measures revenue per variant alongside conversion rate and average order value.
Support	The plugin listing points users to official documentation, a support forum, and a contact form; paid plans include priority support according to the listing.	Otter offers email support, a site and dashboard live-chat widget, and a priority-support plan tier.

Nelio A/B Testing has no write-up on Specifiction yet; its figures are above.

Otter has no write-up on Specifiction yet; its figures are above.