Any real device browser testing platforms that have pay-as-you-go pricing model?

Hello, I'm struggling to find anything that is not an unlimined subscription, we only need to debug specific issues reported by users, like once per 2-3months. All 'free' or 'trial' plans are limited to unusable session duration like 1min so I can't even login and get to the page with the bug...

Do I really have to subscribe for $40/mo to use 5mins of testing? I haven't found single provider that would allow me to do this for less :/