Do free apps make money per download?

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Tags

1. #worth
2. #content
3. #freemium
4. #access
5. #purchases
6. #through
7. #version
8. #provided
9. #contain
10. #download
11. #committing
12. #users
13. #purchase
14. #charge
15. #features
16. #accessed
17. #functionality
18. #premium
19. #paying