justInCase is a free Android app that offers affordable insurance coverage for your smartphone. The app offers coverage for screen damage, malfunction, water damage, and theft/loss of your phone. The app also provides a 30% discount on the insurance premium for a certain period without any accidents. You can also get coverage for used and SIM-free smartphones, and it is also valid if you switch from your carrier to a cheap SIM.

The app offers a unique feature of a safety score check that is calculated by AI, which checks your phone's safety usage every day. Based on this score, you can get a discount on your monthly insurance premium. If all the subscribers are healthy, then the insurance premium of the next month is free. The app also offers cancer insurance, where you can get an 800,000 yen lump sum if you're diagnosed with cancer. The insurance money paid is shared among all subscribers.

The app allows you to sign up for insurance at any time, and you can manage your existing insurance contracts, including checking the coverage details, payment history, and claim submissions. The app also offers recommended services, useful information, and enjoyable content.