ContactBase is a visual address book app that lets you manage your valuable business contacts. It helps you to understand hierarchies and navigate the politics of complicated negotiations to gain the upper hand.

Manage your contacts

View and search contacts by Company and Job Title. Hide non-business contacts from view. Find and merge duplicate contacts. Create notes on important contacts to store key facts and insights as they happen. Sync changes back to your device.

Optimise your contact data

See powerful visualisations of your address book. Discover gaps in your contact data. Populate missing Job Titles and Company Names to improve your contact optimisation score, then sync changes with your device.

See your contacts in context

Create org charts to see your contacts in the context of the organisation they work within, with reporting lines between departments and contacts. Share organisation charts with teammates and colleagues in seconds.

Unravel complicated relationships

Create relationship maps to put yourself you in control of the politics that surround the organisations, projects and deals you’re working on. Unravel complicated relationships, assign attributes to contacts and mark out lines of influence and conflict.

Build contacts with long term value

Tag strategic contacts including decision makers, budget holders, executive sponsors and champions. Powerful analytics help you optimise your charts to ensure you have a full-house of aspirational contacts.

Why use ContactBase?

Because you want better visibility and control over your business contacts. You want a clearer, cleaner and richer address book. You want a better understanding of the relationships between your contacts. Because you want the upper hand when navigating the political landscape of your customer accounts, major projects and important negotiations.

What’s New

Version 2.3

- Simplified influence attribute input
- Introduced stakeholder advocacy score to Analytics
- Implemented in chart analytics for relationship view
- Added option to inverse contact name display order
- Minor bug fixes

Ratings and Reviews

4.9 out of 5
36 Ratings

36 Ratings

ahhajshs ,

Good App

This is the best app for it’s unique features such as address book management, powerful searching, contact book management, Efficiency in it’s performance. Everybody should download this app.

Wow app to get space ,


ContactBase | Address Book is a great app.This app is well laid out and easy to use, with considerable extras that all add to how amazing it really is.


ContactBase Ltd
112.2 MB

Requires iOS 11.3 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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