Difference between Ignitor and Igniter

What is the difference between Ignitor and Igniter?

Ignitor as a noun is any device that is used to ignite something, especially a fuel mixture, or a charge of explosive while Igniter as a noun is any device that is used to ignite something, especially a fuel mixture, or a charge of explosive

We hope you now know whether to use Ignitor or Igniter in your sentence.