Not free
After first launching you are prompted into buying a subscription.
Response from developer
Hello, App is not offer about any free services. King regards.
Rock ID User Reviews
Is Rock ID Safe?
Not enough ratings yet to assess Rock ID.
Is Rock ID Legit?
Rock ID: Crystal & Stone Scan appears to be a legitimate app. AppsHunter Legitimacy Score for Rock ID is 85/100.
Based on 85 of 100 points across 7 verification signals from App Store and developer data.
