As well as input from the team, we did a lot of user interviews and testing during development and this wasn't flagged as a concern (a lot of people were used to the model from other apps) but clearly this is something we need to work on.

You might want to look into ways to identify cases where people are used to something but not happy about it in your research process. So many things that shouldn't be normal are considered so and tolerated by people who don't do well with it to the point they don't think about it unless someone asks the right question.

This is unfortunately very true. Thank you for your feedback.

While as an ADHD’er who agrees with all the concerns expressed here on the payment model, I also think that criticism like this has to be a little measured and proportional. Some of the feedback in the comments here (not necessarily in this direct thread that I’m replying to) are going a little too far in my opinion.

Constructive criticism is useful but there are many here breaking the “take the most charitable possible interpretation” rule of HN.

So please do listen to this feedback and please do act on it, but don’t take the personal attacks and name calling in some of the comments here too seriously.

You are being polite and gracious in your responses!

I do not have ADHD diagnosis but I forget such things all the time. This is why I have reminders set up for all trials I ever start the minute I start the trial. This way I'd be reminded to cancel it (or not, in case I like it - but it'd be my decision then). I never complain about it because what's the point? That doesn't mean I like the practice - in fact, I hate it, but too many providers do it anyway.