Plan it. Mix it.
Dive it. Log it.
The most powerful, comprehensive dive companion app ever created. Engineered by Nammu Tech for precision, safety, and discovery in the deep.
Your Complete Dive Companion
Erebus brings everything a diver needs into one powerful platform.
Track Your Dives
Log every descent with precision. Import from your dive computer, track depth, temperature, and gas consumption across your entire diving career.
Plan Your Dives
Advanced decompression planning with Buhlmann ZHL-16C, gradient factors, multi-gas profiles, and real-time ceiling calculations.
Connect with Divers
Find dive buddies, share logbooks, verify certifications, and coordinate trips with a global community of divers.
Command Center
Your entire diving life at a glance. Track total dives, cumulative bottom time, and sites visited. Access quick actions instantly and receive daily tips tailored to your diving profile.
- Aggregated lifetime statistics
- Quick access to planning and mixing
- Personalized daily dive tips
Advanced Planning
Military-grade precision for technical profiles. Visualize your dive in real-time with comprehensive metrics including CNS, OTU, gas density, and dynamic ceiling calculations.
- Buhlmann ZHL-16C with Gradient Factors
- Real-time profile visualization
- Multi-level, multi-gas deco planning
Master the Mix
The ultimate toolkit for gas blenders and tech divers. From simple Nitrox fills to complex Trimix blending, calculate exact pressure requirements with absolute certainty.
- MOD, END, and EAD calculations
- Continuous blending solver
- Density calculator for deep profiles
Discover the Deep
Browse an extensive database of dive sites worldwide. Filter by type—Reef, Quarry, Wreck, or Cave—and review detailed topography, depths, and community ratings before you splash.
- Global site database with coordinates
- Detailed condition reports
- Community ratings and reviews
Record Every Detail
Your digital logbook, elevated. Import UDDF files directly from your dive computer. Track temperature gradients, gas consumption, and append photos to memorialize the dive.
- UDDF file import support
- Interactive dive profile graphs
- Searchable historical database
A Complete Ecosystem
Everything a diver needs, housed in one unified platform.
Gear Profiles
Track maintenance schedules and configurations for different environments.
Dive Buddies
Connect with partners, verify certs, and share logbooks seamlessly.
Media Library
Organize underwater photography linked to specific dives and sites.
Certifications
Digital wallet for all your agency cards and training records.
Compressors
Log run hours, filter changes, and air quality tests.
Cylinders
Manage your cylinder inventory with pressure ratings, inspection dates, and gas tracking.
Dive Trips
Plan logistics, manage manifests, and organize group travel.
Ready to explore?
Join the growing community of divers using Erebus to plan, mix, and log their descents.
© 2026 Nammu Tech. A brand of Leviathan Systems Ltd.