Free Check Printing
You can print your own checks with almost any printer: inkjet, laserjet, even offset printers. Some check printers have special features that boost the security of your checks, like watermarks and even thermochromatic ink—but you can use any basic home-office printer, too.
See What You Need Before You Print Your Own Checks - The Balance
Can you print blank checks online?
Can you print a blank check online? Yes, you can print a blank check online using Online Check Writer. Printing checks on blank stock papers reduce 80% of check printing cost compared to pre-printed checks.
Blank Check Printing Software
Is there an app for printing checks?
The Print Checks series of apps is the only iPhone/iPad app that allows you to manage your checkbook and print real checks right from your iPhone or iPad! ... - Use blank check stock or Quicken compatible pre-printed business / personal size checks.
Print Checks Pro on the App Store