--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "ChargeMaster" developer_entity: "SkyRC Technology Co.,Ltd." bundle_id: "com.skyrc.bt.ChargeMaster" app_store_id: "580032025" category: "Productivity" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2019-01-20" report_date: "2026-08-03" last_verified: "2026-08-03T00:00:00.000Z" report_version: "1.3" total_reviews: 2 overall_rating: 5 sentiment: "Thrilled" sentiment_score: 90 confidence: "medium" confidence_score: 0.5 top_praise_theme: "Detailed battery information and visual history logs provide users with necessary device performance insights" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 13 momentum_velocity: "zombie" intelligence_version: 5 nemesis: "SMART BMS" competitor_count: 10 tags: ["productivity", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "hobbyists", "pilots", "skyrc"] canonical_url: "https://marlvel.ai/apps/chargemaster" license: "CC-BY-NC 4.0" content_version: "v2" --- # ChargeMaster Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Free - **Signal**: Rating 5 · Sentiment Thrilled - **Recent focus**: Detailed battery information and visual history logs provide users with necessary device performance insights (top praise) > **TL;DR:** ChargeMaster is a productivity app by SkyRC Technology Co.,Ltd., rated 5/5 by 2 users, with Thrilled user sentiment (90/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** ChargeMaster maintains Thrilled user sentiment (5/5 from 2 reviews), with users consistently praising detailed battery information and visual history logs provide users with necessary device performance insights. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (2 reviews) | | **User Mood** | Thrilled | | **Category** | Productivity | | **Developer** | SkyRC Technology Co.,Ltd. | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Medium (0.5/1.0) | | **Data Age** | 13d | ## Metadata & Market Performance - **Publisher:** SkyRC Technology Co.,Ltd. - **Category:** Productivity - **Target Audience:** RC hobbyists and pilots who use SkyRC battery chargers and require real-time performance data during charging cycles. - **Platforms:** iOS - **Version Reviewed:** 1.3 - **Report Date:** 2026-08-03 - **Signal Count:** 1 review analyzed - **Confidence:** Medium (0.5/1.0) - **App Store ID (iOS):** 580032025 - **Bundle ID:** com.skyrc.bt.ChargeMaster - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-08-03 ## Executive Snapshot **What it is:** ChargeMaster is a Bluetooth-based battery telemetry utility for SkyRC hardware users on iOS. **Why users hire it:** It removes the friction of physical charger inspection by streaming real-time performance data to mobile devices. ## App DNA (Features & Intent) - **[Differentiator] Bluetooth Data Monitoring:** Displays real-time charging and discharging data from connected battery chargers on iOS devices via Bluetooth. - **[Standard] Multi-Device Compatibility:** Supports monitoring across iTouch, iPhone, and iPad platforms. ## Market Position {#market-position} ChargeMaster operates as a hardware-locked utility within the Productivity category. The 5.0-star rating reflects high satisfaction among a small, specialized user base, though the 88-month update gap signals a maintenance-mode posture. ## Monetization Strategy - **Model:** Free - **Tiers:** Free application - **Analysis:** The app functions as a free utility to support the sale of SkyRC hardware, with no in-app purchases or subscription tiers identified. ## 🟢 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 5/5 - **Platform Split:** iOS 5.0/5 (2 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **Detailed battery information and visual history logs provide users with necessary device performance insights** ## SWOT Analysis {#swot} **Core Strengths:** - Proprietary hardware-software link creates a brand moat, requiring users to purchase SkyRC chargers to access mobile monitoring **Growth Levers:** - Dynamic operational estimates could capture the aviation hobbyist segment currently migrating to LXNAV Battery Monitor ## Recent Changes (v4 → v5) {#recent-changes} The competitive landscape has deteriorated as LXNAV Battery Monitor emerged as a direct threat, exposing ChargeMaster's lack of predictive telemetry features. The app remains in a maintenance-only posture with no development activity, now facing active displacement in its core aviation hobbyist segment. **Overall trend**: Declining **Compared at**: 2026-08-03 ### High-impact changes - **[Added] New Competitive Threat** (swot) ### Medium-impact changes - **[] Feature Gap Identification** (features) - **[] Outlook Trend Downgrade** (positioning) ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### ChargeMaster vs SMART BMS - **[SMART BMS](https://marlvel.ai/apps/smart-bms)** by 所兵 邱: This app directly competes by providing Bluetooth-based battery management and real-time monitoring, targeting the same hardware-centric user base as ChargeMaster. - **Key differences:** - Massive user base and review volume provide significant social proof and data-driven feature refinement - Password-protected parameter settings offer professional-grade security features that ChargeMaster currently lacks in its public documentation - Broad compatibility with diverse battery identification protocols creates a higher barrier to entry for competitors ### Contenders (Strong Challengers) - **[Lithium Blue Battery Monitor](https://marlvel.ai/apps/lithium-blue-battery-monitor)** by Discover Energy Corp.: This app targets the same hardware-monitoring niche, specifically focusing on lithium battery performance via Bluetooth. - Specialized cold charge functionality addresses a specific environmental pain point for outdoor and industrial battery users - Integration with field-serviceable hardware diagnostics creates a stronger value proposition for professional field technicians - **[Battery Health Pro](https://marlvel.ai/apps/battery-health-pro)** by Cederic Schmid: It competes by providing advanced visualization and thermal monitoring for battery charging sessions. - Advanced thermal monitoring capabilities provide a safety-critical feature that differentiates it from standard charging monitors - Visual-first data representation makes complex charging session metrics accessible to a broader, less technical audience - **[Bluetooth_BMS](https://marlvel.ai/apps/bluetooth-bms)** by 瑞媚 温: This app serves as a direct alternative for users requiring real-time Bluetooth monitoring of battery management systems. - Provides specific cycle life tracking, which is a critical metric for long-term battery health monitoring - Simplified, single-purpose interface design reduces the cognitive load for users performing basic battery status checks - **[Battery Charge Monitor - Alarm](https://marlvel.ai/apps/battery-charge-monitor-alarm)** by arbi oganesyan: It competes by offering proactive battery health alerts and charging management, appealing to users seeking to extend device longevity. - Includes loud alarm functionality for charge completion, providing a tangible utility ChargeMaster does not explicitly advertise - Focuses on battery health education, capturing the non-technical user segment that ChargeMaster ignores ### Peers (What They Do Better) - **[Fluidd](https://marlvel.ai/apps/fluidd)** by Fluidd: It competes for the 'smart environment control' user, utilizing similar Bluetooth/network-based monitoring for hardware. - Integrates AI-driven assistance to interpret sensor data, moving beyond simple raw data display - Thread networking support enables a more robust and modern smart-home ecosystem integration - **[VibraTilt](https://marlvel.ai/apps/vibratilt)** by Samuel Gan: It is a hardware-focused utility app that uses mobile sensors to provide precise measurements for specialized tasks. - Combines multiple physical measurement tools into one app, providing higher utility for field-based professionals - Focuses on vibration and flatness analysis, targeting a distinct but technically similar user demographic - **[FreeRearviewCam](https://marlvel.ai/apps/freerearviewcam)** by Ulrich Muench: It operates in the same 'Bluetooth-connected hardware utility' space, focusing on real-time data streaming to mobile devices. - Focuses on video-based data transmission, demonstrating a different approach to hardware-to-mobile connectivity - Dual-device connectivity allows for more complex hardware setups than a single-device charger monitor - **[BambuFarm - 3D Printer Monitor](https://marlvel.ai/apps/bambufarm-3d-printer-monitor)** by Degentech: While in a different hardware niche, it shares the same 'real-time monitoring of specialized equipment' use case as ChargeMaster. - Utilizes iOS Lock Screen Live Activities to provide passive, high-value status updates without opening the app - Fleet-level overview capabilities cater to power users managing multiple hardware units simultaneously ### New Kids on the Block (What's Innovative) - **[LXNAV Battery monitor](https://marlvel.ai/apps/lxnav-battery-monitor)** by LXNAV d.o.o: This newcomer targets the exact same aviation/hobbyist battery monitoring niche as ChargeMaster with a modern feature set. - Provides dynamic operational estimates, helping users predict remaining flight or usage time more accurately ## What's New - **Latest (v1.1, 12 years ago):** General bug fixes. ## App Momentum (Zombie) {#momentum} - Dormant development for 88 months. - Last major release in 2019. > **Cadence:** 3 total versions · 0 majors in last 6 months · 2675 days since last update · 1020 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} ChargeMaster is a productivity app that is completely free. It holds a 5/5 rating from 2 reviews. > **Bottom Line:** ChargeMaster's proprietary hardware link retains core hobbyists, but the 88-month update silence invites disruption from modern aviation-focused rivals. A pivot to dynamic operational estimates would defend the niche against LXNAV's feature-led entry. **Best for:** RC hobbyists and pilots who use SkyRC battery chargers and require real-time performance data during charging cycles. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship dynamic operational estimates because LXNAV Battery Monitor is capturing the aviation hobbyist segment → defend market share ### Feature Gaps vs Competitors - Dynamic operational estimates (available in LXNAV Battery Monitor but absent here) ### Outlook: Declining The hardware-utility market is shifting toward predictive telemetry and live-activity integration. ChargeMaster's maintenance-mode posture leaves it exposed to modern rivals that offer dynamic operational estimates, meaning the app will likely lose its niche dominance unless it resumes active feature development. - 🔴 The 88-month update silence creates a growing compatibility risk on modern iOS versions, which will eventually trigger user churn. - 🔴 LXNAV Battery Monitor's entry into the aviation niche directly threatens ChargeMaster's primary user segment with superior predictive features. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 2 | | Sentiment | Thrilled (90/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS | | Key Features | 2 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **ChargeMaster** (this app) | 5/5 | Thrilled | SkyRC Technology Co.,Ltd. | | [FreeRearviewCam](https://marlvel.ai/apps/freerearviewcam) | 5.0/5 | N/A | Ulrich Muench | | [Battery Health Pro](https://marlvel.ai/apps/battery-health-pro) | 4.1/5 | N/A | Cederic Schmid | | [Fluidd](https://marlvel.ai/apps/fluidd) | 1.0/5 | n/a | Fluidd | | [BambuFarm - 3D Printer Monitor](https://marlvel.ai/apps/bambufarm-3d-printer-monitor) | 5.0/5 | N/A | Degentech | | [LXNAV Battery monitor](https://marlvel.ai/apps/lxnav-battery-monitor) | N/A/5 | N/A | LXNAV d.o.o | ## Company Profile - **Developer:** SkyRC Technology Co.,Ltd. - **Website:** [https://www.skyrc.com](https://www.skyrc.com) - **Social:** [Instagram](https://www.instagram.com/skyrctech) · [Facebook](https://www.facebook.com/Skyrc) · [X/Twitter](https://www.twitter.com/skyrc) · [YouTube](https://www.youtube.com/@skyrcshow) · [LinkedIn](https://www.linkedin.com/company/7792902) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/chargemaster/id580032025?uo=4) - **Dev Site:** [Official Website](https://www.skyrc.com) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*FreeRearviewCam*](https://marlvel.ai/apps/freerearviewcam) (Ulrich Muench) · 5.0/5 Rating - [*Battery Health Pro*](https://marlvel.ai/apps/battery-health-pro) (Cederic Schmid) · 4.1/5 Rating - [*Fluidd*](https://marlvel.ai/apps/fluidd) (Fluidd) · 1.0/5 Rating - [*BambuFarm - 3D Printer Monitor*](https://marlvel.ai/apps/bambufarm-3d-printer-monitor) (Degentech) · 5.0/5 Rating - [*LXNAV Battery monitor*](https://marlvel.ai/apps/lxnav-battery-monitor) (LXNAV d.o.o) · N/A Rating - [*Lithium Blue Battery Monitor*](https://marlvel.ai/apps/lithium-blue-battery-monitor) (Discover Energy Corp.) · 4.2/5 Rating - [*SMART BMS*](https://marlvel.ai/apps/smart-bms) (所兵 邱) · 2.1/5 Rating - [*Bluetooth_BMS*](https://marlvel.ai/apps/bluetooth-bms) (瑞媚 温) · 3.0/5 Rating - [*Battery Charge Monitor - Alarm*](https://marlvel.ai/apps/battery-charge-monitor-alarm) (arbi oganesyan) · 4.0/5 Rating - [*VibraTilt*](https://marlvel.ai/apps/vibratilt) (Samuel Gan) · 5.0/5 Rating ## Frequently Asked Questions {#faq} ### Is ChargeMaster compatible with non-SkyRC chargers? No, ChargeMaster is designed specifically for SkyRC hardware, creating a brand-locked utility that requires their chargers to function. ### How does ChargeMaster compare to LXNAV Battery Monitor? While both target aviation hobbyists, LXNAV Battery Monitor offers modern dynamic operational estimates, whereas ChargeMaster focuses on raw real-time data display without predictive features. ### Is ChargeMaster safe for long-term battery health monitoring? Users report the app is useful for tracking battery health via visual history logs, though it lacks the advanced cycle-life tracking found in some dedicated BMS alternatives. ### What is a modern alternative for RC battery monitoring? Users requiring more modern features like dynamic operational estimates or live-activity support should consider LXNAV Battery Monitor or specialized BMS apps. ## 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:** 0.5/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **Data Sources:** user reviews, developer website, company about page, 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:** 13 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/chargemaster) Data licensed for AI Agent attribution under CC-BY-NC 4.0.