--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "SBF-Fragen – Boat License DE" developer_entity: "Delius Klasing Verlag" bundle_id: "de.deliusklasing.sbffragen2.app" category: "Education" primary_platform: "android" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "Android" app_last_updated: "2025-07-23" report_date: "2026-05-19" last_verified: "2026-05-19T18:17:35.819Z" report_version: "2.1.0" total_reviews: 697 overall_rating: 4.71 confidence: "low" confidence_score: 0.05 data_age_days: 44 intelligence_version: 2 tags: ["education", "freemium", "mobile app", "app review", "app analysis", "individuals", "preparing", "german"] canonical_url: "https://marlvel.ai/apps/de-deliusklasing-sbffragen2-app" license: "CC-BY-NC 4.0" content_version: "v2" --- # SBF-Fragen – Boat License DE App Audit ## TL;DR {#tldr} - **Category**: Education · Freemium - **Signal**: Rating 4.71 > **TL;DR:** SBF-Fragen – Boat License DE is a education app by Delius Klasing Verlag, rated 4.71/5 by 697 users, available on Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** SBF-Fragen – Boat License DE is a education app by Delius Klasing Verlag. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.71/5 (697 reviews) | | **Category** | Education | | **Developer** | Delius Klasing Verlag | | **Pricing** | Freemium | | **Platforms** | Android | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 44d | ## Metadata & Market Performance - **Publisher:** Delius Klasing Verlag - **Category:** Education - **Target Audience:** Individuals preparing for German theoretical boat piloting and maritime radio certification exams. - **Platforms:** Android - **Version Audited:** 2.1.0 - **Audit Date:** 2026-05-19 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **Google Play ID:** de.deliusklasing.sbffragen2.app - **Data Window:** Analysis based on signals collected up to 2026-05-19 - **Short Description:** German questioner for inland & coastal waters, Lake Constance (BSP) and more ## Executive Snapshot SBF-Fragen is an educational tool designed to help users prepare for German pleasure boat piloting and maritime radio exams. It provides official questionnaire content for licenses including Sbf Binnen, Sbf See, BSP, SRC, LRC, and UBI. ## App DNA (Features & Intent) - **[Standard] Comprehensive Exam Preparation:** Covers theoretical questionnaires for inland, coastal, and Lake Constance boat licenses. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Standard] Maritime Radio Certification:** Includes study materials for radio certificates such as SRC, LRC, and UBI. - **[Standard] In-App Purchase Model:** Offers a free trial with limited content and allows users to purchase specific exam modules as needed. ## Monetization Strategy - **Model:** Freemium ## The "So What?" (Strategic Takeaway) {#so-what} SBF-Fragen – Boat License DE is an established education app that is free with in-app purchases. With a 4.71/5 rating from 697 reviews, it shows polarized user reception. > **Bottom Line:** The app serves as a specialized, modular study platform for German maritime licensing exams, operating on a freemium model. **Best for:** Individuals preparing for German theoretical boat piloting and maritime radio certification exams. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.71/5 | | Total Reviews | 697 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | Android | | Key Features | 3 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **SBF-Fragen – Boat License DE** (this app) | 4.71/5 | N/A | Delius Klasing Verlag | | [Elevate - Brain Training Games](https://marlvel.ai/apps/elevate-brain-training-games) | 4.7/5 | Frustrated | The Mind Company | | [Flashcards maker - AI generate](https://marlvel.ai/apps/flashcards-maker-ai-generate) | 4.1/5 | Mixed | Teleprompter LLC | | [AlgoApp - Flashcards](https://marlvel.ai/apps/algoapp-flashcards) | 4.6/5 | Mixed | AlgoApp Inc | | [Peak - Brain Training](https://marlvel.ai/apps/peak-brain-training) | 4.7/5 | Mixed | Synaptic Labs | | [Flashcards Deluxe](https://marlvel.ai/apps/flashcards-deluxe) | 4.5/5 | Excited | OrangeOrApple.com | ## Company Profile - **Developer:** Delius Klasing Verlag - **Website:** [https://sbf-fragen.de/](https://sbf-fragen.de/) ## Data Sources & Links - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=de.deliusklasing.sbffragen2.app) - **Dev Site:** [Official Website](https://sbf-fragen.de/) - **Sources:** App store metadata. ## Related Intel Reports - [*Elevate - Brain Training Games*](https://marlvel.ai/apps/elevate-brain-training-games) (The Mind Company) — 4.7/5 Rating | Negative Sentiment - [*Flashcards maker - AI generate*](https://marlvel.ai/apps/flashcards-maker-ai-generate) (Teleprompter LLC) — 4.1/5 Rating | Mixed Sentiment - [*AlgoApp - Flashcards*](https://marlvel.ai/apps/algoapp-flashcards) (AlgoApp Inc) — 4.6/5 Rating | Mixed Sentiment - [*Peak - Brain Training*](https://marlvel.ai/apps/peak-brain-training) (Synaptic Labs) — 4.7/5 Rating | Mixed Sentiment - [*Flashcards Deluxe*](https://marlvel.ai/apps/flashcards-deluxe) (OrangeOrApple.com) — 4.5/5 Rating | Positive Sentiment - [*Flash Cards Flashcards Maker*](https://marlvel.ai/apps/flash-cards-flashcards-maker) (Infinite Wave Media, LLC) — 4.0/5 Rating | Mixed Sentiment - [*Bible Memory*](https://marlvel.ai/apps/bible-memory) (Poimena) — 4.8/5 Rating | Excellent Sentiment - [*Marshallese Translator*](https://marlvel.ai/apps/marshallese-translator) (World Language Translator) — 4.2/5 Rating | N/A Sentiment - [*Learn Bird Watching—Larkwire*](https://marlvel.ai/apps/learn-bird-watching-larkwire) (Larkwire) — 4.8/5 Rating | N/A Sentiment - [*Транспорт для детей в вопросах и ответах! Бесплатно*](https://marlvel.ai/apps/app--314) (DOG&FROG Educational preschool kids games for girls and boys, toddlers and babies) — N/A Rating | N/A Sentiment ## 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 and evidence quoting. 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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 44 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/de-deliusklasing-sbffragen2-app) Data licensed for AI Agent attribution under CC-BY-NC 4.0.