Report updated Apr 16, 2026
IMO Signs
For maritime students, seafarers, or professionals preparing for exams or needing a quick reference guide for IMO (International Maritime Organization) signs.
IMO Signs is an established education app that is a paid app.
What is IMO Signs?
Current Momentum
v1.0
No release notes available.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Allows users to quickly locate specific IMO signs by their unique identification number.
Allows users to find signs by searching through their descriptive names.
Provides a study tool for users to review and test their knowledge of IMO signs.
How much does it cost?
- One-time purchase of $2.99
The app utilizes a simple, low-cost upfront payment model, targeting users looking for a straightforward, ad-free study utility without recurring subscription overhead.
Who Built It?
Sergejs Zeigurs
Providing specialized maritime regulatory references and exam preparation tools for seafarers and compliance officers. Streamlining access to complex international maritime conventions and operational data.
Portfolio
5
Apps
Who is Sergejs Zeigurs?
The publisher occupies a highly specialized niche by digitizing dense, static maritime regulatory documents into searchable, offline-capable mobile utilities. Their moat is built on the curation of complex, interlinked compliance data that is otherwise difficult for maritime professionals to navigate in remote or low-connectivity environments. By maintaining a mix of professional reference tools and exam-prep content, they have successfully captured a segment of the maritime workforce that requires high-utility, reliable data over consumer-grade engagement features. The primary strategic tension lies in their reliance on legacy regulatory content, which requires consistent, manual updates to remain relevant as international maritime standards evolve.
Who is Sergejs Zeigurs for?
- Maritime professionals
- Ship officers
- Students preparing for certification exams who require offline access to technical
- Regulatory documentation
Portfolio momentum
Released 4 updates across 5 apps in the last 6 months, indicating a consistent maintenance cycle for their core regulatory reference tools.
What other apps does Sergejs Zeigurs make?
What do users think recently?
Analysis in progress, available soon
What is the competitive landscape for IMO Signs?
How's The Education Market?
How does it evolve in the Education market?
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇨🇱 Chile | Education | iOSPaid | #16 | ▼6 |
| 🇱🇻 Latvia | Education | iOSPaid | #56 | ▲2 |
The rivals identified
The Nemesis
IMO Symbols
Marine Insight
Directly competes as a comprehensive reference library for IMO safety symbols and signs used on ships.
Head-to-head analysis pending — refresh this report for a detailed comparison.
Contenders
ColRegs: Rules of the Road
★3.7 (3)The Other Hat
Essential maritime reference tool that shares the same target audience of seafarers and maritime students.
Marine Insight
MARINE INSIGHT
High-quality professional reference for maritime regulations and signaling, competing for the same study-utility space.
Maritime Signal Flags
★2.0 (4)Systemiko Inc.
Focuses on a specific subset of maritime visual communication, appealing to the same 'quick reference' user need.
Peers
Maritime Dictionary
Mohamed Elmallawany
Reference tool for maritime terminology that often overlaps with sign and symbol descriptions.
New Kids on the Block
Maritime Master - COLREGs
0MARITIME MASTER LIMITED
A newer, gamified approach to maritime knowledge assessment that includes sign identification.
The outtake for IMO Signs
Strengths to defend, gaps to attack
Core Strengths
- Niche focus on IMO safety signs
- Ad-free user experience
- Dual-mode search functionality
Critical Frictions
- Stagnant development (no updates since 2018)
- Zero user ratings or reviews
- Lack of developer web/social presence
- Minimalist feature set
Growth Levers
- UI/UX modernization for current iOS versions
- Gamification of the study/assessment tool
- Transition to freemium model to increase user acquisition
Market Threats
- Ecosystem dominance by Marine Insight
- Emergence of modern, gamified maritime study apps
- Risk of app removal from store due to lack of updates
Key Takeaways
- 1. **Market Gap**: There is a clear opportunity to disrupt this niche with a modern, updated alternative. IMO Signs is currently a "zombie app"—functional but unmaintained.
- 2. **Monetization Shift**: The $2.99 upfront cost is likely a barrier given the lack of social proof. A competitor offering a free-to-try model with a one-time unlock for advanced study features would likely capture this market share.
- 3. **Ecosystem Integration**: To compete effectively, a product should not just list signs but integrate them into a broader maritime study or logbook ecosystem, as seen with "SeaLog."
IMO Signs is an established education app that is a paid app.
Where Is It Heading?
Trend analysis
Available very soon