Aco ‑ Product Options & Addons

Working as a charm.
The support team is really helpful and keen to show how to do every single thing.

The only thing can be a bit overwhelming is the HUGE ammount of options they have, but that's really a good thing! Usually you find apps that are really short on features, to try and make you buy a high tier. But this one is really extra-packed on their Middle-Tier (only having 3, one being free)

Really, 100% recommended, It does what it says it does.