Apps like 2-Stroke ToolKit

Here are some great alternatives to 2-Stroke ToolKit by 2Stroke Tech :
GearBuddy RPM-MPH Calculator
GearBuddy RPM-MPH Calculator
★4.3
MOTORUN ENGINE TOOLS - PRO
MOTORUN ENGINE TOOLS - PRO
★3.8
Engine Tuning Calculator PRO
Engine Tuning Calculator PRO
★4.2
MotorSim 2
MotorSim 2
★4.4
2-Stroke Premix Calculator
2-Stroke Premix Calculator
★4.0
MotorSim Drag Racing
MotorSim Drag Racing
★3.6
Fuel Oil Mix Calculator
Fuel Oil Mix Calculator
★4.8
Car Math Pro Car Calculator
Car Math Pro Car Calculator
★3.7
Pulley Calculator
Pulley Calculator
★4.4
Sariel's Gear Calculator
Sariel's Gear Calculator
★4.6
Engine Pro
Engine Pro
★5.0
Cycling Calculator
Cycling Calculator
★4.0
EngineRev
EngineRev
★3.5
Jetting for Yamaha 2T Moto
Jetting for Yamaha 2T Moto
★4.4
Engineering Tools : Mechanical
Engineering Tools : Mechanical
★4.8
MTB Gear Ratio
MTB Gear Ratio
★4.8