After you have logged into your account, you can switch your payment method by clicking here or following these instructions:  

1. Click the "More" icon (in the bottom left-hand corner of your screen).

2. Choose the “My Subscriptions” page option.

3. Click on "Payment Info.”

4. Click "Replace Card,” then just enter in your new card info, and click "Save"!

If you signed up for Picmonic through your Android or IOS app, you will have to change your subscription payment method in your Google Play or iTunes.