# BirdieSync for Thunderbird

> Synchronize your Android contacts, events and calendars with Mozilla Thunderbird

Canonical page: [https://chrome-stats.com/d/com.callicia.birdiesync](https://chrome-stats.com/d/com.callicia.birdiesync)

## Overview

- **ID:** `com.callicia.birdiesync`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Callicia
- **Category:** PRODUCTIVITY
- **Downloads:** 105,638
- **Rating:** 3.60 / 5 (328 ratings)
- **Version:** 3.0.0.23
- **Last updated:** 2024-08-31
- **First published:** 2011-01-20
- **Publisher country:** FR
- **Size:** 1.20 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.callicia.birdiesync)
- **Website:** [http://www.birdiesync.com](http://www.birdiesync.com/)
- **Privacy policy:** [http://www.birdiesync.com/privacy-policy](http://www.birdiesync.com/privacy-policy)

## Description

BirdieSync for Thunderbird enables seamless synchronization of contacts, calendars, and events between your Android device and Mozilla Thunderbird, Lightning, or Sunbird on your Windows PC. This extension ensures that any modification on either device is automatically updated on the other, keeping your information current without manual effort.

Prioritizing your privacy, BirdieSync transfers data directly through a secure connection without storing any personal information in the cloud or third-party servers. It supports multiple address books, contact photos, contact groups, recurring events, alarms, and popular calendar protocols such as ICS, CalDAV, and Google Calendar types. Note: Requires the BirdieSync desktop application (available for Windows) with a 21-day free trial and a one-time fee of €19.95. For more details, visit [birdiesync.com](http://www.birdiesync.com).

## Rankings

- #215,744 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.AUTHENTICATE_ACCOUNTS`
- `android.permission.CHANGE_NETWORK_STATE`
- `android.permission.CHANGE_WIFI_MULTICAST_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_DATA_SYNC`
- `android.permission.GET_ACCOUNTS`
- `android.permission.INTERNET`
- `android.permission.MANAGE_ACCOUNTS`
- `android.permission.READ_CALENDAR`
- `android.permission.READ_CONTACTS`
- `android.permission.READ_PHONE_STATE`
- `android.permission.READ_SYNC_SETTINGS`
- `android.permission.READ_SYNC_STATS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.USE_CREDENTIALS`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_CALENDAR`
- `android.permission.WRITE_CONTACTS`
- `android.permission.WRITE_SYNC_SETTINGS`
- `com.callicia.birdiesync.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

BirdieSync is praised for its core syncing capability, especially cross-device and wireless syncing between Android and Thunderbird/PC, and many users report it works well after setup. However, there are notable downsides: instability when using multiple computers, a costly subscription after a trial, and a challenging setup with limited help for non-technical users. Overall, it suits single-device use or light multi-device use, but multi-device reliability and ongoing costs are common concerns.

### Pros

- Strong cross-device synchronization between Android and Thunderbird/PC, usable across multiple devices
- Wireless syncing between Android and PC is a standout feature
- Generally positive performance after setup, with users reporting it works well once configured

### Cons

- Unreliable with multiple computers/devices; conflicts and instability, with no notifications when a device goes down
- Pricing model is a concern: after a free period, the PC portion requires an annual subscription that many reviewers consider expensive
- Configuration is complex and not very user-friendly for non-technical users, with limited guidance or support

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.callicia.birdiesync)