Run a full scan and merge the first ten groups on us. If your current address book is the usual decades-old mess, the subscription pays for itself in the first session.
Full scan. Try the merge flow. See the size of the problem before you decide anything.
Unlimited merges, bulk tidying and lifetime undo on everything.
Family Sharing supported · Cancel anytime in iOS Settings · Annual saves 83% vs. monthly
Prices in USD; other countries are billed the equivalent in local currency, set by the App Store.
ContactOne is an auto-renewing subscription. Annual — $9.99/year (USD), or Monthly — $4.99/month (USD); prices in other regions are set by the App Store in local currency. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless it is canceled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. You can manage or cancel anytime in your Apple Account settings.