Customer Database APK

Customer Database

Overview

• Manage your business relationships with ease using Customer Database, a secure and user-friendly mobile application.

• Designed to keep your professional life organized, this app ensures your business contacts stay separate from your private phone book while providing the flexibility needed for entrepreneurs, small companies, and even educators.

Reliable Data and Security

• Sync your data with a self-hosted MySQL server to prevent data loss and enable access across multiple devices.

• Built-in tools help you stay compliant with EU-GDPR regulations.

• The app is open-source, ensuring transparency and community-driven reliability.

Powerful Organization Tools

• Group your customers to stay organized and manage specific details like birthdays and vouchers.

• Reach your audience through integrated newsletter tools.

• Identify professional callers instantly with the built-in Caller ID feature.

• Personalize profiles with customer images and enjoy a comfortable viewing experience with Dark Mode.

Seamless Data Handling

• Import and export data easily using VCF or CSV formats.

• Generate and print professional customer records via PDF export.

Enhanced Professional Features (Available via In-App Purchase)

1. Custom Fields:

• Add tailored data points with dropdown selection and advanced sorting.

2. Input-Only Mode:

• Securely hand your device to visitors in showrooms to let them enter their own contact details.

3. Integrated Calendar:

• Organize appointments and allow customers to save dates directly to their own calendars using QR codes.

4. File Attachments:

• Store up to 20 essential documents or images per customer record.

5. Custom Branding:

• Personalize the app's appearance with your own logo and color scheme.

Open Source Project

• Explore the code or contribute to this project on GitHub at: https://github.com/schorschii/customerdb-android

FAQ

Q: How does the app keep my data safe and compliant with privacy regulations?

A: All information is stored on a self‑hosted MySQL server that you control, which eliminates reliance on third‑party clouds and dramatically reduces the risk of data loss. The app also includes built‑in tools that guide you through EU‑GDPR requirements, ensuring that consent, data access, and deletion processes meet legal standards.

Q: Can I access my contacts from multiple devices?

A: Yes. Because your data lives on a central MySQL server, any device running the app can sync the latest version of your database. This means you can switch between a phone, tablet, or desktop without missing a beat.

Q: Is the source code really open‑source, and why does that matter?

A: Absolutely. The entire project is published on GitHub, where you can review the code, suggest improvements, or even contribute your own fixes. Open‑source transparency gives you confidence that there are no hidden data‑harvesting mechanisms and that the community can help keep the app robust over time.

Version History

v3.11.6——3 Aug 2026

Simple Customer Management Download the latest version of Customer Database to enjoy new features and updates immediately!

*3.11.6

- Caller ID for Android 15

- improved color selection

*3.11.5

new: calendar scroll position is now saved

*3.11.4

- improved printing (multi-page support, adjustable font size)