If you signed up for Aaptiv through our website or with a discount:
Contact us at firstname.lastname@example.org to change your payment information.
If you signed up for Aaptiv through your iTunes account:
On your iPhone,
1. Go to Settings > [your name] > iTunes & App Store.
2. Tap your Apple ID at the top of the screen.
3. Tap Payment & Shipping.
4. Tap any payment method to change its details.
If you signed up for Aaptiv through the Google Play Store:
On your Android phone,
1. Open the Google Play Store.
2. Tap Menu > Account > Payment Methods.
3. Find the subscription you want to update.
4. Tap Update.