There are apps you can download that will remind you to check in throughout the day. If you are planning to throw a Disney Frozen themed birthday party for your princess then we have some fabulous tips that might help. There are a. . There are a. I have been using an app called, Mind Jogger. There are apps you can download that will remind you to check in throughout the day. I have been using an app called, Mind Jogger. If you are planning to throw a Disney Frozen themed birthday party for your princess then we have some fabulous tips that might help.