Personizer is a business and productivity app available on Android. Developed by Emu Run, this free app aims to help small or micro businesses improve customer service through a professional contact tracker and business organizer.

With Personizer, users can create custom contact categories and easily organize their contacts. The app allows users to create follow-up tasks such as calls, meetings, deliveries, quotes, and more. Reminders can be set up to ensure important tasks are not forgotten. Users can also attach photos and send tasks to their existing calendar for better organization.

One of the key features of Personizer is its easy access to contact details, including phone numbers, email addresses, and physical addresses. This makes communication with customers more efficient and contextual to the task at hand.

Overall, Personizer is an all-in-one small business organizer and CRM tool that leverages the existing contacts list on users' phones. It offers a simple workflow for customer service and allows for targeted customer focus. The app integrates seamlessly with existing contacts and calendars, making it easy to get started. While the basic version is free for up to 3 contacts with tasks, unlocking unlimited contacts requires a one-time fee of USD$4.