Quick comparison # App Pricing Verified price Open source Platforms Verified facts Score 1 CardhopFree plan + paid — No macOS, iOS 4 of 4 68.8 2 ContactsPlusFree plan + paid $9.99/month billed annually No Web, iOS, Android 5 of 5 53.4 3 Proton MailFree plan + paid $4.99 a month (Mail Plus), $3.99 billed yearly Yes Web, Windows, macOS +3 8 of 8 50.0 4 NextcloudOpen source From €71.29 per user/year (100 users) Yes Web, Windows, macOS +4 4 of 4 49.0 5 Microsoft OutlookFree plan + paid $19.99 a year or $1.99 a month (Microsoft 365 Basic) No Web, Windows, macOS +2 7 of 7 48.9
1 Best for: Mac and iPhone users who want a quicker way to find, edit and act on contacts
Free plan + paid macOS, iOS
Why switch from Google Contacts
A faster, keyboard-driven contacts app for Apple devices that can still search your Google contacts.
Pros Natural-language input for adding, editing and acting on contacts Works with existing iCloud, Google and Exchange accounts Business card scanning on iPhone and iPad One subscription also covers FantasticalCons Apple platforms only, no Windows, Android or web app Several features sit behind the Premium subscription Relies on your existing contact accounts for storage and syncHow this score is calculated Editorial fit ×0.3 100
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
2 Best for: People and small teams who need to merge and clean contacts across several accounts
Free plan + paid Web, iOS, Android
Why switch from Google Contacts
Pulls Google, iCloud and Outlook contacts into one list and adds dedupe, enrichment and follow-up reminders.
Pros Merges Google, iCloud and Microsoft contacts into one list Duplicate cleanup and contact enrichment Shared team address book on the Teams planCons Free plan syncs only once a day and one account Free plan caps you at 1,000 contacts Pipeline features are basic next to a real CRMHow this score is calculated Editorial fit ×0.3 49
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
3 Best for: Privacy-minded people and teams who want encrypted email without running servers
Free plan + paid Open source Web, Windows, macOS, Linux, iOS, Android
Why switch from Google Contacts
Proton's encrypted contacts come with Proton Mail, for people leaving Google over privacy.
Pros End-to-end and zero-access encryption by default Open-source, audited apps on every major platform Bundles with Proton VPN, Drive, Calendar and PassCons Free plan has little storage and one address Search and third-party integrations are more limited than Gmail Using desktop clients needs the paid Bridge appHow this score is calculated Editorial fit ×0.3 38
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
Verified facts 8 of 8 verified Free plan Yes, 1 GB storage Checked Nov 8, 2026proton.me(opens source in a new tab) Mail Plus price $4.99/month, or $3.99/month billed yearly Checked Nov 8, 2026proton.me(opens source in a new tab) Jurisdiction Switzerland Checked Nov 8, 2026proton.me(opens source in a new tab) Open source Yes, independently audited Checked Nov 8, 2026proton.me(opens source in a new tab) License (web clients) GPL-3.0 Checked Nov 8, 2026github.com(opens source in a new tab) Starting price $4.99 a month (Mail Plus), $3.99 billed yearly Checked Nov 8, 2026proton.me(opens source in a new tab) Proton Unlimited plan $12.99 a month, $9.99 billed yearly Checked Nov 8, 2026proton.me(opens source in a new tab) Money-back guarantee 30 days Checked Nov 8, 2026proton.me(opens source in a new tab) 4 Best for: Organisations and tinkerers who want Google Drive features on their own server
Open source Self-hostable Web, Windows, macOS, Linux, iOS, Android, Self-hosted
Why switch from Google Contacts
Self-hosted Contacts app with CardDAV sync, so your address book stays on your own server.
Pros Free, open source and fully self-hostable Large app ecosystem beyond files Data stays wherever you choose to run itCons You handle updates, backups and performance Can feel slow on modest hardware Quality varies across community appsHow this score is calculated Editorial fit ×0.3 34
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
5 Best for: People and companies already on Microsoft 365 or Exchange
Free plan + paid Web, Windows, macOS, iOS, Android
Why switch from Google Contacts
Outlook's People list is the natural home for contacts if you move from Gmail to Microsoft 365.
Pros Strongest calendar, scheduling and delegation features for Exchange users Free Outlook.com mailbox kept separate from OneDrive storage Apps on every major platform plus a solid web versionCons Classic and new Outlook for Windows differ, which confuses users Busy interface with many features most people never use Free accounts show ads and get less storageHow this score is calculated Editorial fit ×0.3 41
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 85
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula