Side by side
abtest vs Segmently
Both stand on a/b testing tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
abtest focuses on YouTube thumbnail and title testing with clear limits for concurrent tests and duration. Users should note its lack of server-side testing, mobile SDK, audience targeting, and feature flags.
Visit abtest Free plan APIWeb
Segmently covers several web testing methods alongside targeting, feature flags, and analytics. Check the plan limits and visitor-launch requirement before choosing the free tier; paid plans start at $49 a month.
Visit SegmentlyThe facts
| abtest | Segmently | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | API, Web |
| Lowest paid plan | Personal: $10 a month | Professional: $49 a month |
| Plans published | 3 | 4 |
| Maker | Not published | Not published |
| Website | abtest.so | segmently.us |
| On a/b testing tools | #28 of 52 | #24 of 52 |
abtest: what it does well
- Free Hobby plan available
- Tests YouTube thumbnails and titles
- Personal supports ten concurrent tests
- Professional supports 100 concurrent tests
- Web-based access
What to know first
- No server-side testing
- No mobile SDK
- No audience targeting
Segmently: what it does well
- Includes A/B, multivariate, and split URL testing.
- Offers visual editing and server-side testing.
- Targets visitors by device, geography, behavior, and user attributes.
- Provides feature flags and gradual rollouts.
- Lists statistical significance and confidence intervals in analytics.
What to know first
- Free experiments are preview-only unless a slot is purchased.
- The Free plan is limited to 500 lifetime visitors.
- No native mobile SDK is currently supported.
- Paid subscriptions are not refunded.
Alternatives to abtest Alternatives to Segmently The whole list