--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "QSL Inbox: Ham Radio Logbook" developer_entity: "程辉 杨" bundle_id: "com.mima1234.qslinbox" app_store_id: "6796985356" category: "Utilities" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-08-07" report_date: "2026-09-10" last_verified: "2026-09-10T00:00:00.000Z" report_version: "1.0" total_reviews: 0 confidence: "low" confidence_score: 0.2 data_age_days: 62 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["utilities", "freemium", "mobile app", "app review", "app analysis", "amateur", "radio", "operators"] canonical_url: "https://marlvel.ai/apps/qsl-inbox-ham-radio-logbook" license: "CC-BY-NC 4.0" content_version: "v2" --- # QSL Inbox: Ham Radio Logbook Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Freemium > **TL;DR:** QSL Inbox: Ham Radio Logbook is a utilities app by 程辉 杨, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** QSL Inbox: Ham Radio Logbook is a utilities app by 程辉 杨. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Utilities | | **Developer** | 程辉 杨 | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 62d | ## Metadata & Market Performance - **Publisher:** 程辉 杨 - **Category:** Utilities - **Target Audience:** Amateur radio operators who manage paper QSL card confirmations and require a private, local-first tool to update their digital ADIF logs. - **Platforms:** iOS - **Version Reviewed:** 1.0 - **Report Date:** 2026-09-10 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6796985356 - **Bundle ID:** com.mima1234.qslinbox - **Performance Trend:** Improving - **Data Window:** Analysis based on signals collected up to 2026-09-10 ## Executive Snapshot **What it is:** QSL Inbox is a utility for amateur radio operators to match paper QSL cards to digital ADIF log entries using on-device text recognition. **Why users hire it:** The app removes the need for operators to share private log data with external services like LoTW or QRZ to confirm contacts. ## App DNA (Features & Intent) - **[Differentiator] On-device OCR Matching:** Uses Apple Vision to read callsign and contact details locally, removing cloud dependency. * *User Intent:* Users expect seamless access across multiple devices. - **[Differentiator] ADIF Safety Verification:** Blocks export if unexpected changes appear in the ADIF file, preventing source log corruption. - **[Standard] Local Archive:** Maintains a private, on-device history of confirmed cards. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. ## Market Position {#market-position} QSL Inbox occupies a niche within the Utilities category for amateur radio, focusing on privacy-first logbook management. With only one version released 34 days ago, the app is in its initial growth phase and currently lacks the social proof of established logbook tools. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier includes five confirmations, Lifetime unlock for unlimited confirmations and archive search - **Analysis:** The usage-based gate of five confirmations serves as a trial to demonstrate value before requiring a one-time non-consumable purchase. ## SWOT Analysis {#swot} **Core Strengths:** - On-device OCR matching removes connectivity dependencies rivals require - ADIF safety verification prevents source log corruption during reconciliation **Growth Levers:** - Localized pricing could capture interest in high-activity amateur radio regions ## Recent Changes (v2 → v3) {#recent-changes} The developer transitioned from a passive maintenance state to an active roadmap, prioritizing bulk-import safety and OCR accuracy. This shift clarifies the app's value proposition as a privacy-first tool for logbook management. **Overall trend**: Improving **Compared at**: 2026-09-10 ### High-impact changes - **[Added] Development roadmap** (features) ### Medium-impact changes - **[Added] New SWOT items** (swot) - **[Shifted] Strategic positioning** (positioning) ## App Momentum (Maintenance) {#momentum} - Released initial version 34 days ago. - Maintains maintenance-mode release cadence. > **Cadence:** 1 total versions · 0 majors in last 6 months · 34 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} QSL Inbox: Ham Radio Logbook is an utilities app that is free with in-app purchases. > **Bottom Line:** QSL Inbox secures its position by prioritizing local data integrity over cloud-based convenience, which appeals to privacy-conscious operators. Maintaining this offline-first mechanism is the primary defense against established, cloud-dependent competitors. **Best for:** Amateur radio operators who manage paper QSL card confirmations and require a private, local-first tool to update their digital ADIF logs. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship a bulk-import preview mode because users need to verify large logs before processing → increase trust in the safety-first promise ### Outlook: Stable Users report: The amateur radio utility market is shifting toward higher privacy standards, favoring tools that minimize data exposure to third-party loggers. QSL Inbox is well-positioned to capture this segment if it can maintain its offline-first reliability while refining the OCR accuracy for varied card formats. - ⚪ The app remains in a maintenance-mode release cadence, suggesting the current feature set is considered complete for the initial target audience. - 🟢 On-device OCR matching provides a privacy-first value proposition that cloud-dependent rivals cannot easily replicate without significant architecture shifts. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Improving | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **QSL Inbox: Ham Radio Logbook** (this app) | N/A/5 | N/A | 程辉 杨 | | [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.8/5 | N/A | Cat Connect | | [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.5/5 | Mixed | Free VPN LLC | | [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.4/5 | Mixed | Fuxin Technology | ## Company Profile - **Developer:** 程辉 杨 - **Website:** [https://briefready-support.dapper-kiwi-8512.chatgpt.site/qslinbox](https://briefready-support.dapper-kiwi-8512.chatgpt.site/qslinbox) ## Data Sources & Links - **App Store ID:** 6796985356 - **Dev Site:** [Official Website](https://briefready-support.dapper-kiwi-8512.chatgpt.site/qslinbox) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.8/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.4/5 Rating - [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating - [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.8/5 Rating - [*카톡 분석 - 오픈채팅, 카톡 채팅 분석, 통계, 검색*](https://marlvel.ai/apps/com-liger-katalkanalysispaid) (Park Sung Cheol) · N/A Rating - [*로또 황금번호 생성기*](https://marlvel.ai/apps/lotto-lottogold) (jaehwan lee) · N/A Rating - [*도사폰 (만세력 역학도구)*](https://marlvel.ai/apps/app--656) (Softchaser Company Limited) · 5.0/5 Rating ## Frequently Asked Questions {#faq} ### Is QSL Inbox compatible with LoTW or QRZ? No, QSL Inbox is not affiliated with LoTW, QRZ, or other amateur-radio services. It is designed as a standalone, local-first tool for managing paper QSL cards and updating ADIF files offline. ### Does QSL Inbox require an internet connection? No, the app is designed to be private and offline. Text recognition runs entirely on your device, and your log files and card images stay local unless you choose to export or share them. ### Is QSL Inbox free to use? QSL Inbox uses a freemium model. You can perform five confirmations for free, after which a one-time lifetime unlock is required for unlimited confirmations and archive search. ### What happens to my log file if the app makes a mistake? QSL Inbox is designed with safety in mind. Your source file is never overwritten, and the app provides a safety receipt to block export if unexpected changes occur. You can also undo confirmations from the local archive. ## 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:** 0.2/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** developer website, 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:** 62 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/qsl-inbox-ham-radio-logbook) Data licensed for AI Agent attribution under CC-BY-NC 4.0.