Customer Database
Georg Sieber Productivity In-app purchases
Simple Customer Management
- Rating
- 4.2
- 1.2K ratings
- Downloads
- 188K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Sep 23
- 2026 · v3.12.2
Screenshots
About Customer Database
This simple customer database application is designed for small companies for easy and secure customer management on smartphones and tablets, separated from private contacts.
It is possible to sync your data with a (self-hosted) MySQL server to prevent loss or defect of your mobile device. This also allows to sync the data with multiple devices.
In addition to that, it has tools for the EU-GDPR and you can group customers, manage customers birthdays and vouchers, write newsletters, import customers from VCF files, export your data into VCF or CSV files and print a customer record (PDF export). Additionally, this app has a Dark Mode and the ability to save customer images.
If you grant the app access to the phone features through the settings, you will see the name of the calling person when a corresponding number is stored in the customer database.
Because of its high flexibility, the application is also often used in non-enterprise areas, such as teachers' management of parent contact information.
Additional features that can be unlocked via in-app purchase:
-> Custom Fields: also drop down selection lists and sorting by these fields is supported.
-> "Input-Only-Mode": Optional activatable mode that allows only data entry. For example, the device can be handed to showroom visitors.
-> Design Options: Allows you to set your own title bar color and own startup logo.
It is possible to sync your data with a (self-hosted) MySQL server to prevent loss or defect of your mobile device. This also allows to sync the data with multiple devices.
In addition to that, it has tools for the EU-GDPR and you can group customers, manage customers birthdays and vouchers, write newsletters, import customers from VCF files, export your data into VCF or CSV files and print a customer record (PDF export). Additionally, this app has a Dark Mode and the ability to save customer images.
If you grant the app access to the phone features through the settings, you will see the name of the calling person when a corresponding number is stored in the customer database.
Because of its high flexibility, the application is also often used in non-enterprise areas, such as teachers' management of parent contact information.
Additional features that can be unlocked via in-app purchase:
-> Custom Fields: also drop down selection lists and sorting by these fields is supported.
-> "Input-Only-Mode": Optional activatable mode that allows only data entry. For example, the device can be handed to showroom visitors.
-> Design Options: Allows you to set your own title bar color and own startup logo.
What’s new
Version 3.12.2 · Updated September 23, 2026
- Material3 design - improved UI for customer selection in voucher/appointment with search
User reviews
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Frequently asked questions
What is the purpose of the customer database application?
The customer database application is designed for easy and secure customer management on smartphones and tablets for small companies.
Can the data be synced with a MySQL server?
Yes, it is possible to sync your data with a (self-hosted) MySQL server to prevent loss or defect of your mobile device and to sync the data with multiple devices.
Does the application have tools for EU-GDPR compliance?
Yes, the application has tools for the EU-GDPR to ensure compliance with data protection regulations.
What additional features does the application offer through in-app purchase?
The additional features that can be unlocked via in-app purchase include custom fields with drop-down selection lists and sorting capabilities, an "Input-Only-Mode" for data entry purposes, and design options to customize the title bar color and startup logo.
Is it possible to import and export customer data?
Yes, the application allows you to import customers from VCF files and export your data into VCF or CSV files for easy data management.
Can customer images be saved in the application?
Yes, the application has the ability to save customer images for a more personalized customer management experience.
Does the application have a Dark Mode?
Yes, the application has a Dark Mode option for a more visually comfortable experience.
What phone features can the app access?
If granted access through the settings, the app can display the name of the calling person when a corresponding number is stored in the customer database.
Can the application be used outside of small companies?
Yes, the application's high flexibility allows it to be used in non-enterprise areas as well, such as teachers' management of parent contact information.
Alternatives to Customer Database
Looking for apps like Customer Database? Here are 4 similar Android apps on Google Play. The highest rated is Clock Screensaver (4.4/5), and all 4 are free to download.
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