Apps like Star Trail Calculator

Here are some great alternatives to Star Trail Calculator by Scott J. Waldron :
DeepSkyCamera Pro
DeepSkyCamera Pro
★4.6
Photo Tools PRO
Photo Tools PRO
★4.4
Photo Tools
Photo Tools
★3.6
Star Trails
Star Trails
★3.8
Photo Tools
Photo Tools
★3.5
ND Filter Calc (DSLR)
ND Filter Calc (DSLR)
★4.6
TimeLapse Calculator
TimeLapse Calculator
★4.5
Photography Calculator Tools
Photography Calculator Tools
★4.3
FotoTool - Photographer Tools
FotoTool - Photographer Tools
★4.6
DWARFLAB
DWARFLAB
★4.1
Ephemeris: Sun and Moon Seeker
Ephemeris: Sun and Moon Seeker
★3.5
Telescopius
Telescopius
★4.3
Light Meter
Light Meter
★4.4
CAL20000 STAR MAP
CAL20000 STAR MAP
★5.0
Camera FV-5 Lite
Camera FV-5 Lite
★4.0
Camera FV-5
Camera FV-5
★4.1