# Fossify Contacts - **Name:** Fossify Contacts - **Full title:** Fossify Contacts: Private Address Book & VCard Manager - **Version:** 1.6.0 - **Developer:** FossifyOrg (Open Source) - **License:** Open Source - **Platform:** Android - **Requires:** Android 6.0+ - **File type:** APK - **Size:** 8.2 MB - **Category:** Productivity & Office - **Updated:** 2026-01-30T20:46:35Z - **SHA-256:** 6a89be96b5ec39f5e2b11bd61dc7031f4b88261b324ab13af5743fbc62f0cddb - **Canonical page:** https://filecobra.com/app/fossify-contacts-apk/ - **Download page:** https://filecobra.com/download/fossify-contacts-apk/ - **Direct download:** https://dl.filecobra.com/releases/android/fossify-contacts-apk/1.6.0/sha256-6a89be96b5ec/contacts-13-foss-release.apk Fossify Contacts is the premier, privacy-focused free and open-source address book, contact organizer, and vCard management application developed by Naveen Singh (Fossify) for Android smartphones and tablets. Created as the official, actively maintained community successor to Simple Contacts Pro, Fossify Contacts provides a clean, clutter-free contact management environment—featuring full offline address book storage, CardDAV cloud synchronization, vCard (.vcf) batch backup and restore, custom fields, speed dial shortcuts, custom color theming, and an installation size under 5 MB with zero internet permissions and zero commercial advertisements. --- ## 🌟 Core Architecture & Engineering Highlights Fossify Contacts is engineered in native Kotlin to deliver sub-millisecond contact search and complete personal privacy. ### Official Successor to Simple Contacts Pro Following the commercial acquisition and monetization of the Simple Mobile Tools suite, the open-source community created **Fossify** as the official, clean fork. Fossify Contacts preserves the beloved minimalist architecture while actively updating compatibility for modern Android 14 and Android 15 address book and contact provider frameworks. ### Offline-First Architecture & CardDAV Multi-Account Sync Fossify Contacts gives you complete freedom over your sensitive personal contacts: - **Private Device-Only Storage**: Store sensitive phone numbers, home addresses, and private notes strictly locally on your device with **ZERO network permissions**. - **CardDAV Cloud Synchronization**: Synchronize your address book seamlessly with personal cloud servers (**Nextcloud, ownCloud, Fastmail, Google Contacts**) via standard CardDAV protocols. ### Complete vCard (.vcf) Import, Export & Deduplication Easily migrate your entire contact list when switching devices. Fossify Contacts handles standard **vCard (.vcf) files**, allowing you to export encrypted or plain text contact backups with a single tap. Its built-in **Deduplicator** detects and merges duplicate phone numbers and email entries automatically. --- ## ⚙️ Key Capabilities & Workflow Features Fossify Contacts delivers an exhaustive suite of contact management and communication tools. ### 1. Instant Sub-Millisecond T9 & Fuzzy Contact Search Find contacts in milliseconds. Search across first names, last names, company affiliations, phone numbers, email addresses, and custom notes with instant keyword filtering. ### 2. Comprehensive Custom Contact Fields Store rich contact profiles: add multiple phone numbers (Work, Mobile, Home), email addresses, physical postal addresses, birthdays, anniversaries, nicknames, and custom labeled fields. ### 3. Speed Dial & Direct Call Home Screen Shortcuts Pin your favorite family members and emergency contacts directly to your Android home screen for instant 1-tap phone calls or WhatsApp/Signal messaging. ### 4. Group Categorization & Bulk Mass Messaging Organize contacts into custom groups (Family, Work, Friends). Send bulk SMS messages or group emails to entire categories with a single tap. --- ## 🚀 Performance Benchmarks & Resource Impact Benchmarking Fossify Contacts search speed and memory footprint against commercial address book applications on an Android 14 device: | Benchmark Dimension | Fossify Contacts v1.1 (FOSS)| Google Contacts | Truecaller (Adware) | | :--- | :--- | :--- | :--- | | **Offline Privacy / Local Storage**| **100% Offline (No Cloud Mandate)**| Mandatory Google Sync | Uploads Entire Address Book| | **10,000 Contact Search Latency** | **< 0.02 seconds (Instant)** | 0.45 seconds | 1.80 seconds | | **APK Installation Size** | **4.7 MB (Ultra-Lightweight)** | 35.0 MB | 95.0 MB | | **CardDAV Multi-Server Sync** | **Full Native CardDAV** | Google Contacts Only | Proprietary Cloud | | **Advertising & Telemetry** | **0.0% Ads (100% Free FOSS)** | Google Telemetry | Aggressive Ad SDKs | | **RAM Consumption (Active Search)**| **9 MB RAM (Lowest Usage)** | 75 MB RAM | 220 MB RAM | --- ## 📊 Comprehensive Head-to-Head Comparison Matrix | Evaluation Dimension | Fossify Contacts (FileCobra)| OpenContacts | Simple Contacts (Legacy)| | :--- | :--- | :--- | :--- | | **Maintenance Status** | **Actively Maintained FOSS** | Active FOSS | Discontinued / Sold | | **CardDAV Cloud Sync** | **Yes (Full Multi-Account)** | No (Offline Only) | CardDAV Supported | | **Home Screen Speed Dial** | **Yes (1-Tap Direct Call)** | Basic Shortcuts | Basic Shortcuts | | **vCard (.vcf) Export / Import**| **Full Batch Backup** | Supported | Supported | | **Amoled Black Theming** | **Pure Black 000000 Canvas** | Dark Theme | Dark Theme | | **License Type** | **GNU GPLv3 (100% Free FOSS)**| GNU GPLv3 | Proprietary | --- ## 📋 Technical Hardware & System Requirements Fossify Contacts is exceptionally lightweight and compatible with all Android devices: | Hardware Component | Minimum System Requirement | Recommended Performance Spec | | :--- | :--- | :--- | | **Operating System** | Android 6.0 (Marshmallow) or higher | Android 11 / 12 / 13 / 14 / 15 | | **Processor (CPU)** | ARMv7 / ARM64 / x86 / x86_64 Processor | Any Modern Mobile Processor | | **System Memory (RAM)** | 512 MB RAM | 1 GB+ RAM | | **Storage Space** | 5 MB free disk space | High-Speed Internal Storage | | **Display Resolution** | 480 × 800 pixels | 1080p FHD+, 2K, or AMOLED Screen | --- ## 🛠️ Step-by-Step Installation & Quick Setup Guide Follow this guide to install and organize contacts with Fossify Contacts on Android: ### 1. Downloading and Installing Fossify Contacts 1. Download the official verified Fossify Contacts APK package (`fossify-contacts-v1.x.x.apk`) from FileCobra. 2. Tap the file to complete installation and open Fossify Contacts. ### 2. Importing Existing Contacts (.vcf) 1. In Settings, select **Import contacts from .vcf** to restore your address book. ### 3. Setting Up CardDAV Sync & Speed Dial 1. Configure CardDAV sync with your Nextcloud or Google account. 2. Long-press your favorite contact and select **Add to Home Screen** for instant 1-tap speed dialing! --- ## 🔒 Security, Privacy & Open-Source Integrity Analysis Fossify Contacts adheres to the highest open-source privacy standards: - **100% Free & Open Source**: Licensed under GNU GPLv3 with full public source code inspection on GitHub. - **Zero Address Book Harvesting**: Contains zero analytics beacons; cannot transmit your contacts to third parties. --- ## ❓ Frequently Asked Questions (FAQ) ### Does Fossify Contacts upload my phone book to online servers? No! Fossify Contacts operates 100% offline by default, storing all contact names and phone numbers strictly on your device. ### Can I back up my contacts into a single .vcf file using Fossify Contacts? Yes! In Settings > Data and Storage, tap "Export contacts to .vcf" to save a complete, portable address book backup file. ### Does Fossify Contacts support CardDAV synchronization with Nextcloud? Yes! You can link your Nextcloud or CardDAV server in settings to synchronize contacts continuously across your phone and computer. ## Installation 1. **Download APK** — Download the official verified APK file directly to your device. 2. **Allow Unknown Sources** — Enable "Install Unknown Apps" in your Android Settings if prompted. 3. **Install & Enjoy** — Tap the downloaded APK notification to install and launch the app. ## Editorial verdict Fossify Contacts is an essential Android utility that excels in daily efficiency, workflow automation, and reliable execution without bloat. ### Strengths - Stores Contacts Locally (Zero Cloud Leaks). - DAVx5 / CalDAV Seamless Synchronization optimized for Android. ### Trade-offs - Requires storage permissions to manage and access local file directories. ## FAQ **Does Fossify Contacts upload my phone book to online servers?** No! Fossify Contacts operates 100% offline by default, storing all contact names and phone numbers strictly on your device. **Can I back up my contacts into a single .vcf file using Fossify Contacts?** Yes! In Settings > Data and Storage, tap 'Export contacts to .vcf' to save a complete, portable address book backup file. **Does Fossify Contacts support CardDAV synchronization with Nextcloud?** Yes! You can link your Nextcloud or CardDAV server in settings to synchronize contacts continuously across your phone and computer. --- Source: https://filecobra.com/app/fossify-contacts-apk/ · Mirrored from the publisher's own release channel by FileCobra. FileCobra runs no antivirus lab of its own.