ContactBook Plus — Support
Need help with ContactBook Plus? Email support@matthewchapin.com and include the app name and your device model. We aim to reply within two business days.
Common questions
Do my contacts get uploaded?
No. Importing is read-only and local; nothing is transmitted.
How do I restore my purchase?
Open the upgrade screen and tap Restore Purchases.
Where is my data stored?
On your device only. See the privacy policy.
How do I delete my data?
Delete entries in the app, or delete the app to remove everything.