I use YNAB. It does zero based envelope budgeting, and it does it very well.
It has a web app as the primary use tool with phone / tablet apps as secondary tools.
Its categories are fully customisable and includes the ability to hide or delete unwanted categories. Deleting a category means that categorised spending must be recategorised while hiding is more like archiving, you can’t see it but it’s there along with associated historical information.
It syncs bank accounts but only in North America and parts of Europe (recent update). Being in New Zealand, I manually enter everything.
It has a free 34 day trial and you can generally get an extension to the trial if you’re on the fence.
It supports a budgeting method and if you don’t wish to use that method it’s probably not for you. There is some room for going against the method but ultimately it’s smoothest to either embrace it or go with something else.
It costs $98.99 (USD) per year or a bit more if paying monthly. There are no subscription tiers, it’s either all or nothing.
They have fantastic support, in my experience.
There may be a significant learning curve with it depending on your previous experience and expectations. I had no issues with it at all but I’m on a few associated forums and there is definitely a barrier there causing some new and experienced users to be confused about why it’s doing something.
Last year the price went up a little bit for new users and a lot for legacy users. We had been enjoying a significant discount and are now paying double our old price. I left YNAB in search of another system that followed the same envelope budgeting system. I gave up after about six months, realising that no other budget system does that particular method quite as well, and came back to YNAB.
Bottom line. It’s not cheap. It’s very good at what it does but you need to be onboard with the underlying system.
Edit: A number of other apps I wanted to try weren’t available outside the USA so I couldn’t test them.