StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
If I change my app to free, how could I tell who has paid before? Is the old license checking met...
| Author | Votes | Δ |
|---|---|---|
| IBoS | 0 | 0.00 |
Last visited: Sep 14, 2014, 5:07:29 AM