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Answers and rating deltas for
How to detect if a user bought the app after it has become free?
| Author | Votes | Δ |
|---|---|---|
| apphud | 0 | 0.00 |
Last visited: Dec 22, 2019, 3:27:20 AM
| Author | Votes | Δ |
|---|---|---|
| apphud | 0 | 0.00 |