People like to buy, but they don't like being sold to. So don't tell people they need your app; give them information that will lead them to this conclusion on

People like to buy, but they don't like being sold to. So don't tell people they need your app; give them information that will lead them to this conclusion on their own: what pains does it alleviate? How? Why is it better than the competition? Handle common objections. The most common one I see on HN is complaining about having to create an account. So make your app usable without an account: either a shared demo account or anonymous account that can be upgraded to a full account later. (I'm not sure how many prospects are actually lost due to this; it could just be a very vocal minority! I just use a password manager than generates/stores passwords for me.)