--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Crewservices. Дельта тест 3.0" developer_entity: "Alexey Seleznev" bundle_id: "ru.crewservices.app" app_store_id: "1211190064" category: "Education" primary_platform: "ios" primary_monetization: "Free" offline_capable: true market_region: "US" platforms: "iOS" app_last_updated: "2024-12-30" report_date: "2026-09-03" last_verified: "2026-09-03T00:00:00.000Z" report_version: "2.3.0" total_reviews: 6 overall_rating: 3.8 sentiment: "Thrilled" sentiment_score: 90 confidence: "low" confidence_score: 0.3 top_praise_theme: "Automated examination preparation allows maritime students to pass certification tests without manual study effort" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 5 momentum_velocity: "zombie" intelligence_version: 3 tags: ["education", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "maritime", "professionals", "seafarers"] canonical_url: "https://marlvel.ai/apps/crewservices-3-0" license: "CC-BY-NC 4.0" content_version: "v2" --- # Crewservices. Дельта тест 3.0 Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Free - **Signal**: Rating 3.83 · Sentiment Thrilled - **Recent focus**: Automated examination preparation allows maritime students to pass certification tests without manual study effort (top praise) > **TL;DR:** Crewservices. Дельта тест 3.0 is a education app by Alexey Seleznev, rated 3.83/5 by 6 users, with Thrilled user sentiment (90/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Crewservices. Дельта тест 3.0 maintains Thrilled user sentiment (3.83/5 from 6 reviews), with users consistently praising automated examination preparation allows maritime students to pass certification tests without manual study effort. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.83/5 (6 reviews) | | **User Mood** | Thrilled | | **Category** | Education | | **Developer** | Alexey Seleznev | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.3/1.0) | | **Data Age** | 5d | ## Metadata & Market Performance - **Publisher:** Alexey Seleznev - **Category:** Education - **Target Audience:** Maritime professionals and seafarers in Russia requiring certification testing and job placement services. - **Platforms:** iOS - **Version Reviewed:** 2.3.0 - **Report Date:** 2026-09-03 - **Signal Count:** 1 review analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 1211190064 - **Bundle ID:** ru.crewservices.app - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-09-03 ## Executive Snapshot **What it is:** Crewservices. Дельта тест 3.0 is a mobile simulator for Russian maritime certification exams, providing offline study and exam modes for seafarers. **Why users hire it:** It removes the connectivity friction seafarers face when accessing official certification materials while at sea or in remote port locations. ## App DNA (Features & Intent) - **[Differentiator] Delta Test 3.0 Simulator:** Practice exams for maritime certification with time-limited or untimed modes, mimicking official port testing conditions. - **[Standard] Offline Test Access:** Downloadable question sets for training without active internet connectivity. * *User Intent:* Users want uninterrupted access without internet dependency. - **[Differentiator] Application Form Distribution:** Automated mailing of user-filled resumes to registered crewing and shipping companies. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. ## Market Position {#market-position} Crewservices. Дельта тест 3.0 maintains a 3.8-star rating across 6 total ratings on the iOS platform. The lack of updates for 612 days signals a maintenance-only posture in a category where regulatory compliance requires frequent content iteration. ## Monetization Strategy - **Model:** Free - **Tiers:** Free access to all testing and job search features - **Analysis:** The app operates as a free utility to build a user base of maritime professionals for potential B2B recruitment services. ## 🟢 User Sentiment (Low Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 3.83/5 - **Platform Split:** iOS 3.8/5 (6 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **Automated examination preparation allows maritime students to pass certification tests without manual study effort** ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture removes connectivity dependency - Role-specific question grouping maps to 2023 regulations **Growth Levers:** - B2B recruitment expansion via existing seafarer base - Real-time regulatory update integration ## Recent Changes (v2 → v3) {#recent-changes} The competitive outlook has shifted to declining due to the extended 20-month development freeze and the emergence of official government portals as a primary market threat. The app's positioning has moved from a stable utility to a high-risk tool that may soon fail to meet current regulatory standards. **Overall trend**: Declining **Compared at**: 2026-09-03 ### High-impact changes - **[Shifted] Outlook Trend Downgrade** (positioning) - **[Added] New Competitive Threats** (swot) ### Medium-impact changes - **[Improved] Data-Driven Market Position** (positioning) - **[Improved] Regulatory Alignment Detail** (features) ## What's New - **Latest (v2.3.0, 1 years ago):** Added a request submission feature for resume completion services. ## App Momentum (Zombie) {#momentum} - No major updates for 20 months. - Maintenance-only release cadence. > **Cadence:** 1 total versions · 0 majors in last 6 months · 612 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Crewservices. Дельта тест 3.0 is an education app that is completely free. It holds a 3.83/5 rating from 6 reviews. > **Bottom Line:** Crewservices. Дельта тест 3.0 serves a clear need for offline exam prep, but the 20-month update gap threatens its utility as maritime regulations evolve. Refreshing the question database would secure the user base against newer, more active competitors. **Best for:** Maritime professionals and seafarers in Russia requiring certification testing and job placement services. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Audit 2023 regulatory content because the app has been silent for 20 months → ensure exam accuracy ### Outlook: Declining The maritime certification market is shifting toward integrated, government-backed digital portals that offer higher reliability than third-party tools. Crewservices. Дельта тест 3.0 is currently exposed due to its stagnant release cadence, which will likely erode its remaining user base as seafarers seek more current study materials. - 🔴 The 20-month update silence suggests the developer has deprioritized the app, which will lead to user churn as certification standards shift. - ⚪ The offline-first design remains a strong retention lever for seafarers, provided the content is updated to meet current regulatory requirements. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.83/5 | | Total Reviews | 6 | | Sentiment | Thrilled (90/100) | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Crewservices. Дельта тест 3.0** (this app) | 3.83/5 | Thrilled | Alexey Seleznev | | [AlgoApp - Flashcards](https://marlvel.ai/apps/algoapp-flashcards) | 4.5/5 | n/a | AlgoApp Inc | | [Elevate - Brain Training Games](https://marlvel.ai/apps/elevate-brain-training-games) | 4.7/5 | n/a | The Mind Company | | [Flashcards Deluxe](https://marlvel.ai/apps/flashcards-deluxe) | 4.5/5 | N/A | OrangeOrApple.com | | [Flash Cards Flashcards Maker](https://marlvel.ai/apps/flash-cards-flashcards-maker) | 4.0/5 | Mixed | Infinite Wave Media, LLC | | [Flashcards maker - AI generate](https://marlvel.ai/apps/flashcards-maker-ai-generate) | 4.1/5 | Mixed | Teleprompter LLC | ## Company Profile - **Developer:** Alexey Seleznev ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/crewservices-%D0%B4%D0%B5%D0%BB%D1%8C%D1%82%D0%B0-%D1%82%D0%B5%D1%81%D1%82-3-0/id1211190064?uo=4) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*AlgoApp - Flashcards*](https://marlvel.ai/apps/algoapp-flashcards) (AlgoApp Inc) · 4.5/5 Rating - [*Elevate - Brain Training Games*](https://marlvel.ai/apps/elevate-brain-training-games) (The Mind Company) · 4.7/5 Rating - [*Flashcards Deluxe*](https://marlvel.ai/apps/flashcards-deluxe) (OrangeOrApple.com) · 4.5/5 Rating - [*Flash Cards Flashcards Maker*](https://marlvel.ai/apps/flash-cards-flashcards-maker) (Infinite Wave Media, LLC) · 4.0/5 Rating - [*Flashcards maker - AI generate*](https://marlvel.ai/apps/flashcards-maker-ai-generate) (Teleprompter LLC) · 4.1/5 Rating - [*Impulse - Brain Training*](https://marlvel.ai/apps/impulse-brain-training) (GMRD Apps Limited) · 4.6/5 Rating - [*Peak - Brain Training*](https://marlvel.ai/apps/peak-brain-training) (Synaptic Labs) · 4.7/5 Rating - [*자주 틀리는 우리말*](https://marlvel.ai/apps/app--424) (DaolSoft, Co., Ltd.) · N/A Rating - [*달공부 - 한 달 공부 다이어리 + 루틴/공부 타이머*](https://marlvel.ai/apps/azlabs-dalstudy) (SuWon Choi) · N/A Rating - [*타요콘 - 타요 아바타 놀이동화*](https://marlvel.ai/apps/com-kigle-project-tayocon) (KIGLE) · 3.1/5 Rating ## Frequently Asked Questions {#faq} ### Is Crewservices. Дельта тест 3.0 suitable for all maritime ranks? Yes, the app includes question sets for a wide range of positions, including captains, deck officers, engineers, and electro-technical officers, aligned with 2023 maritime diploma regulations. ### Does the app require an internet connection to practice tests? No, the app is designed for offline use, allowing seafarers to download question sets and practice for exams without needing active internet connectivity. ### How often is the test content updated? The app has not received a major update in over 20 months, meaning the content may not reflect the most recent regulatory changes or exam updates. ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes). 4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.3/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **Data Sources:** user reviews, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 5 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/crewservices-3-0) Data licensed for AI Agent attribution under CC-BY-NC 4.0.