Apps like Drillstring Toolbox Premium

Here are some great alternatives to Drillstring Toolbox Premium by T H Hill Associates :
Quail Tools
Quail Tools
★4.8
Dr DE Lite - Drilling Engineer
Dr DE Lite - Drilling Engineer
★4.3
Flange Bolt Size & Torque
Flange Bolt Size & Torque
★4.6
Fabricators Handbook
Fabricators Handbook
★4.3
TracPipe CounterStrike Sizing
TracPipe CounterStrike Sizing
★3.5
Torque Calculator
Torque Calculator
★3.8
Machine Screws Drill/Tap Info
Machine Screws Drill/Tap Info
★4.7
The Driller's Toolbox
The Driller's Toolbox
★3.7
Piping Toolbox: ASME, Fitting
Piping Toolbox: ASME, Fitting
★3.3
WARDFLEX Jobsite Assistant
WARDFLEX Jobsite Assistant
★4.0
DD Toolbox
DD Toolbox
★3.8
ToolBox
ToolBox
★4.1
Sizing US/CA
Sizing US/CA
★4.6
Bosch Toolbox
Bosch Toolbox
★4.5
Piping Engineering Pro
Piping Engineering Pro
★3.9
Piping Engineering
Piping Engineering
★4.0