Apps like RT ToolBox

Here are some great alternatives to RT ToolBox by Łukasz Sieczkowski :
Gamma CalCulator
Gamma CalCulator
★3.3
Gamma Calculator Pro
Gamma Calculator Pro
★4.4
Chemistry Toolbox - Full
Chemistry Toolbox - Full
★4.8
NDT X-ray Toolbox
NDT X-ray Toolbox
★3.3
Long Exposure Calculator
Long Exposure Calculator
★3.7
Exposure Calculator
Exposure Calculator
★4.4
Photo Tools
Photo Tools
★3.5
ND Filter Expert
ND Filter Expert
★4.0
Exposure Assistant
Exposure Assistant
★4.7
Photography Calculator Tools
Photography Calculator Tools
★4.2
Radioactive Decay Calculator
Radioactive Decay Calculator
★3.8
NIOSH Mobile Pocket Guide
NIOSH Mobile Pocket Guide
★4.5
Measure X - All-in-1 Toolbox
Measure X - All-in-1 Toolbox
★4.1
ND Calculator
ND Calculator
★3.4
Core Calculator App
Core Calculator App
★5.0
GammaPix - Gamma Rad Detection
GammaPix - Gamma Rad Detection
★3.7