Review and Ratings:
Concept/Innovative : 0.7 - Dibs is a shopping app. Users can sell or buy old stuff using this app. This app is better than other of same kind due to its efficient queuing method.
Usability: 1.0 - Very User friendly
Functionality/Correctness : 1.0 - No issues found.
User Interface : 0.7 - User interface is above average.
Performance : 0.9 - Very satisfactory. No experience of glitches , crashes etc