Nitrox Helper is a specialized dive-planning calculator suite for EAN-certified divers on iOS.
The App DNA
What makes this app unique?
Divers use the tool to eliminate manual calculation errors in remote environments where internet access is unavailable.
For Qualified Enriched Air Nitrox divers requiring quick, accurate, and offline-capable dive planning tools.
What does it look like?
Key features
Four calculators for Best EAN Mix, MOD, EAD, and PPO, including salt and fresh water density adjustments.
Full calculator access without internet connection, critical for remote dive sites and boats.
Visual PPO status indicators and MOD warnings triggered by depth inputs.
How much does it cost?
Freemium model with a 30-day full-access trial, anchored by a low-cost $0.99 monthly entry point and a $49.99 lifetime buyout.
Velocity
Maintenance developmentUX improvementsinternationalizationnew contentShow more...
The app currently operates at a maintenance cadence, with only one release shipped in the last 151 days. The latest version represents a significant overhaul, but the lack of subsequent updates suggests a focus on stability rather than active feature iteration. Development is currently stagnant, with no evidence of a recurring release schedule or live operations. The project remains in a maintenance state as of August 2026.
Who built it?
User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Nitrox Helper
How's the Sports market?
Nitrox Helper serves a specialized segment of the Sports category with a focus on offline utility. The absence of recent feature updates suggests a stable, maintenance-focused position rather than one of aggressive growth.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Nitrox Helper
Where is it heading?
The market for specialized dive planning tools remains stable but niche. Nitrox Helper's offline-first design provides a defensible position, but the maintenance-only update cadence limits its ability to capture new users who expect modern, connected dive-logging features.
- The five-month release gap indicates a stable, maintenance-focused posture that prioritizes reliability over rapid feature expansion.
- Lack of recent feature updates may lead to user attrition if competitors introduce modern dive-computer connectivity or social logging.
The SWOT
- Offline-first architecture ensures utility in remote dive sites where connectivity is unavailable
- Localized pricing in high-ARPU dive markets could capture users currently using manual RDP tables
Next best moves
Audit user-flow for the 30-day trial because the current maintenance cadence risks user churn → increase conversion to Pro
The counter-intuitive read
The app's lack of updates is a feature, not a bug…
Read the full takeSince the last report: The product strategy has pivoted from a feature-led growth approach to a conversion-focused model, prioritizing the 30-day trial flow over new social-log development. This shift acknowledges the competitive pressure from web-based alternatives while the app remains in a maintenance-only development cycle.
Bottom line
Nitrox Helper maintains a functional niche for offline dive planning, but the lack of recent feature investment leaves it vulnerable to web-based alternatives. Prioritizing trial conversion optimization would better monetize the existing user base while development remains in maintenance mode.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Nitrox Helper suitable for beginners?
Does Nitrox Helper require an internet connection?
What is the difference between the free and Pro versions?
Are there free alternatives to Nitrox Helper?
Sources
- [1] App Store, source
Report last updated