Press Kit
Encrypted GPS Team Tracking for Professionals
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Press Kit
Quick Facts
Suggested Headlines
Short: "XOPOZ: The GPS Tracker That Cannot Spy On You"
Descriptive: "European Developer Builds GPS Team Tracker Where Even the Server Can't See Your Location"
Technical: "XOPOZ Uses AES-128 Hardware Encryption to Make GPS Tracking Private by Default"
Angle: "The Anti-Life360: How One Developer Built a Privacy-First Alternative to Surveillance Tracking"
Industry: "New GPS Tracker Targets Mountain Guides, SAR Teams, and Journalists With On-Device AES-128 Encryption"
What is XOPOZ?
One-Paragraph Description
Extended Description (3 Paragraphs)
XOPOZ is a professional GPS team tracking application that takes a fundamentally different approach to location sharing. While mainstream trackers like Life360 store raw GPS coordinates on their servers — data that has been documented as being sold to data brokers — XOPOZ encrypts every position on the device using AES-128 hardware-accelerated encryption with team-specific keys. The server receives and stores only encrypted blobs that are mathematically impossible to decrypt without the team's key, which never leaves the device. This is true zero-knowledge architecture: even a complete server breach reveals no location information.
The application is built entirely without Google Play Services, using Android's native LocationManager API for direct GPS hardware access. This means XOPOZ works on any Android device, including phones running GrapheneOS, LineageOS, or other privacy-focused operating systems. The map system supports any raster tile server, from OpenStreetMap to private military mapping infrastructure. The battery optimization engine uses a "wake up fast, sleep slowly" strategy with hardware motion sensors, achieving up to 90% power reduction during stationary periods while maintaining instant GPS activation when movement is detected.
XOPOZ introduces a device-focused team model where each physical device is an independent tracking entity, enabling equipment and vehicle tracking alongside personnel. Additional features include encrypted emergency SOS alerts with stress-optimized UI, reverse geofencing with on-device boundary detection, dual-tier points of interest (private and team-shared), configurable intraday tracking for business compliance, and full GDPR compliance with secure byte-overwrite data deletion. The application is developed in Europe and follows European privacy standards by design.
Founder Quotes (Approved for Publication)
"I built XOPOZ because I believe your GPS position is one of the most intimate pieces of data about you, and it deserves the same protection as your private messages. The fact that mainstream trackers store your raw coordinates in plaintext and sell them to data brokers is not a business model — it is a failure of engineering priorities." — Thierry Bremard, Creator of XOPOZ
"The core innovation is simple but powerful: encrypt before you transmit. Every GPS coordinate is encrypted on the device with a key the server never sees. Even if our entire infrastructure were compromised tomorrow, attackers would get nothing but meaningless encrypted data. That is not a feature. That is the architecture." — Thierry Bremard, Creator of XOPOZ
"We do not use Google Play Services because we do not believe a professional GPS tool should depend on advertising infrastructure. XOPOZ talks directly to the GPS chip. It works on degoogled phones, in countries where Google is blocked, and in environments where Google infrastructure is not permitted. That independence is non-negotiable." — Thierry Bremard, Creator of XOPOZ
Five Key Differentiators
1. Zero-Knowledge GPS Encryption
Every GPS coordinate is encrypted with AES-128 using team-specific keys stored in the Android Keystore hardware security module. The server stores only encrypted blobs. Team keys are distributed through SHA-256 challenge hashes that prove key possession without revealing the key. Data monetization is architecturally impossible.
2. Zero Google Dependency
XOPOZ uses Android's native LocationManager API instead of Google's Fused Location Provider. No Google Analytics, Firebase, Cloud Messaging, or Maps. Works on GrapheneOS, LineageOS, Huawei devices, and in regions where Google is restricted.
3. Intelligent Battery Management
"Wake up fast, sleep slowly." Hardware TYPE_SIGNIFICANT_MOTION sensors detect movement at near-zero power. GPS activates instantly on movement and gradually reduces to network-only positioning after 5 minutes of being stationary, achieving up to 90% power reduction.
4. Device-Focused Architecture
Each device is an independent tracking entity, not grouped by person. Track phones, vehicles, equipment, and any GPS-enabled device as individual team members with independent visibility controls and encryption.
5. Complete Map Independence
Configure any raster tile server: OpenStreetMap, corporate servers, satellite imagery, military maps, or offline tile caches. Dynamic style switching and no vendor lock-in.
Technical Highlights for Reviewers
- Encryption: AES-128-ECB for GPS (30K ops/sec, hardware-accelerated), AES-128-CBC for messages
- Key Hierarchy: AES-256/GCM master key in Android Keystore HSM protecting 16-byte team/device keys
- GPS Structure: 16-byte packed block [IV_HIGH + LAT + IV_LOW + LON] with 64-bit embedded IV
- Team Auth: SHA-256 challenge-response proving key possession without key transmission
- Movement Detection: 50m distance + 1.9 km/h speed dual-threshold algorithm
- Compass: TYPE_ROTATION_VECTOR sensor with EMA filter and outlier accumulation
- Power States: MODE_ACTIVE (GPS+Network) and MODE_POWER_SAVE (Network-only, 90% savings)
- Data Deletion: 0xFF byte overwrite before file system unlink (forensic-resistant)
- POI Capacity: 10,000 points in 100 folders with JSON import/export
- Message Types: 75+ encrypted message types including emergency SOS
- Geofencing: Reverse architecture with on-device detection and 5-minute hysteresis
- Privacy: Dual independent controls (local save + team share), intraday time windows
- Android Backup: Explicitly disabled for all data domains (SharedPrefs, DB, files, cache)
- OS Kill Detection: Service life file tracking with user-education diagnostic popup
Target Audiences
- Mountain Guides & Expedition Leaders: All-day battery, offline maps, volume-button zoom with gloves, precision heading line
- Search & Rescue Volunteers: Per-device tracking, geofence search zones, SOS alerts, OS kill detection
- NGOs & Humanitarian Field Teams: Zero-knowledge server, GDPR compliance, intraday tracking, staff privacy controls
- Journalists & Activists: No Google, forensic-secure deletion, device-wipe key destruction, per-team isolation
- Construction & Field Service: Device-centric fleet tracking, corporate map servers, business-hours compliance
- Privacy-Conscious Consumers: Anti-Life360, no data brokers, European privacy values, transparent business model
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XOPOZ Press Kit | February 2026 | All information approved for publication