Judge the trial by who is still paying at month three.

If you use a free trial, keep it short and packed with the best experience, and end it with an active choice, not a silent charge. Shorter trials converted better, and auto-renewing ones won the month and lost the year. Judge it by members still paying at month three.
S Evidence: strong. Large trials or many studies, pointing the same way.
P Evidence: promising. Good studies, but small or few. Use it and keep checking.
Yoganarasimhan et al. 2023 (337,724 users) · a newspaper field experiment (working paper).
Not medical, legal or financial advice.
In The Ecosystem every framework comes with a daily action, a room that checks in, and the full library.