Is beehiiv better than Substack for email AB testing success

https://spark-wiki.win/index.php/How_beehiiv%E2%80%99s_Google_Analytics_Integration_Helps_Track_Newsletter_Success

Choosing the right newsletter tool for email A/B testing can be tricky. This analysis compares beehiiv and Substack's A/B testing capabilities to see which one helps you run more effective email experiments and improve your click-through and open rates.