We use a zero-to-five star rating on all shipping software we review. (Beta version software is not rated.)
No Stars
The product is buggy, performs poorly and has an inadequate feature set.
*
The product's performance, feature set or stability is weak.
* *
The product does what it claims to do and is stable.
* * *
This product meets expectations, with a healthy feature set and good performance.
* * * *
This product is near the top of its class and probably belongs in your shop.
* * * * *
Best in class. Even if you don't think you need it, you need it.