RadPro Fnirsi GC-1 vs Fnirsi GC-3 Which is better ?

RadPro 3.0.2 on Fnirsi GC-1 vs Fnirsi GC-3 Which is better ? Full review and real test  FNIRSI GC-03 3-in-1 Environment Detector – Appliance and Workstation Safety Tester, Field Strength Indicator FNIRSI GC01 Geiger Counter for Nuclear Radiation Detection and Marble Radioactivity Testing with Ionization Function