Erebus Scuba Dive Log & Deco

Erebus Scuba Dive Log & Deco

By Leviathan Systems

Erebus Scuba Dive Log & Deco is a dive management app for technical and recreational divers, offering decompression planning, gear tracking, and offline logging on iOS.

The App DNA

What makes this app unique?

The app removes the cognitive and logistical friction of managing complex decompression profiles and equipment maintenance in remote locations where internet access is unavailable.

For Recreational and technical scuba divers requiring detailed logbook management, decompression planning, and equipment maintenance tracking.

What does it look like?

Key features

Bühlmann ZHL-16C Decompression Planningedge

Calculates decompression profiles using gradient factors and real-time tissue saturation.

Offline Data Accessedge

Stores all logs and site data locally for use in remote locations.

Gas Calculatoredge

Computes gas mixes and cylinder density using NIST REFPROP data.

How much does it cost?

subscription14-day free trialPremium subscription (monthly or annual)

The subscription model gates advanced technical planning and gas calculation tools behind a premium paywall.

Velocity

Maintenance developmentperformanceShow more...

The app maintains a maintenance-level cadence, with only one release recorded in the analyzed window. The latest release occurred 32 days ago and focused exclusively on minor bug fixes. There is no evidence of new feature development or live operations. Development appears stable but limited to basic maintenance and stability improvements.

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Who built it?

Leviathan Systems

1 app tracked · Sports

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
1.00 · 1

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Erebus Scuba Dive Log & Deco

How's the Sports market?

Erebus Scuba Dive Log & Deco occupies a specialized niche in the Sports category, prioritizing technical utility over mass-market appeal. The current maintenance-only release cadence suggests a focus on stability rather than rapid feature expansion.

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The rivals identified

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The Analyst's Read

Key takeaways for Erebus Scuba Dive Log & Deco

Where is it heading?

The technical diving market is consolidating around apps that offer both planning and community features, placing Erebus Scuba Dive Log & Deco in a neutral position. A shift toward feature-led development is necessary to prevent churn as competitors increase their update frequency.

  • The maintenance-only release cadence suggests a focus on stability, which preserves current utility but limits competitive differentiation against faster-moving rivals.

The SWOT

Core Strengths
  • Offline-first architecture ensures utility in remote dive environments
  • NIST REFPROP-backed gas calculations provide high-pressure accuracy
Critical Frictions 2 weaknesses inside
Growth Levers
  • Expand gear and compressor management to increase switching costs
  • Localize technical documentation to capture international market segments
Market Threats 2 threats identified

Next best moves

1 Pivot

Ship feature-focused updates because the current maintenance-only cadence limits growth → increase user retention

The counter-intuitive read

The app's offline-first design is a retention lever…

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Bottom line

Erebus Scuba Dive Log & Deco holds a defensible position through its specialized technical planning tools, but the current maintenance-only cadence risks stagnation; shifting resources to address top-requested features would unlock growth in the technical diving segment.

Unlock 2 critical frictions, 2 market threats and the analyst’s take.

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FAQ

Is Erebus Scuba Dive Log & Deco suitable for technical diving?
Yes, the app includes Bühlmann ZHL-16C decompression planning, gradient factors, and real-time tissue saturation tracking specifically for technical and CCR configurations.
Does Erebus Scuba Dive Log & Deco work without internet?
Yes, the app is designed to be fully offline-capable, allowing users to access dive logs, site data, and gear profiles in remote locations without connectivity.
What features are included in the premium subscription?
The premium subscription unlocks the full feature set, including advanced technical decompression planning and gas calculation tools.

Sources

  1. [1] App Store

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Erebus Scuba Dive Log & Deco, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Erebus Scuba Dive Log & Deco Intelligence Report.” Updated Oct 4, 2026. https://marlvel.ai/apps/erebus-scuba-dive-log-deco

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