Plain Silver is a free iPhone app developed by Commonwealth Appliance Inc. that offers a convenient way to pay for coin-operated laundry. With Plain Silver, users can easily pay for their laundry using their phone, eliminating the need for coins or cash.

One of the main features of Plain Silver is its compatibility with all laundry machines that have the Plain Silver logo. Whether you're doing laundry in a basement or a remote location, this app will work seamlessly. It communicates with the machines via Bluetooth, ensuring that you can make payments even without an internet connection.

To use Plain Silver, simply preload the app with 10 or 20 dollars, and you're ready to go. This eliminates the hassle of finding change or running out of coins. With its user-friendly interface and reliable functionality, Plain Silver makes the laundry payment process quick and convenient.

Overall, Plain Silver is a must-have app for anyone who frequently uses coin-operated laundry machines. Its seamless integration with various machines, Bluetooth communication, and easy payment setup make it a valuable tool for hassle-free laundry days.