Tell me what feels untrustworthy, even if nothing is technically broken. Support tickets doubled after the last release. Repro steps and a screenshot for anything you hit, please. The marketing site is out of scope, app only.
It shows what a real brief looks like. When a founder funds a job like this, you pitch here: a couple of lines on what you'd test, your price and your hours. The pay on a $60 job would be $54.