--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Battery Level - Portal" developer_entity: "An Trinh" bundle_id: "com.atrinh.batterylevelportal" app_store_id: "1458111693" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2021-02-21" report_date: "2026-09-18" last_verified: "2026-09-18T00:00:00.000Z" report_version: "2" total_reviews: 26 overall_rating: 4.2 sentiment: "Excited" sentiment_score: 75 confidence: "medium" confidence_score: 0.5 top_praise_theme: "The soundboard provides a humorous and engaging experience for fans of the source material" top_complaint_theme: "The battery percentage display occasionally shows inaccurate data compared to the actual system reading" review_sample_size: 11 total_review_count: 11 analyzed_review_count: 11 data_age_days: 53 momentum_velocity: "zombie" intelligence_version: 2 tags: ["utilities", "free", "excited sentiment", "mobile app", "app review", "app analysis", "portal", "video", "series"] canonical_url: "https://marlvel.ai/apps/battery-level-portal" license: "CC-BY-NC 4.0" content_version: "v2" --- # Battery Level - Portal Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Free - **Signal**: Rating 4.23 · Sentiment Excited - **Recent focus**: The battery percentage display occasionally shows inaccurate data compared to the actual system reading (top complaint) · The soundboard provides a humorous and engaging experience for fans of the source material (top praise) > **TL;DR:** Battery Level - Portal is a utilities app by An Trinh, rated 4.23/5 by 26 users, with Excited user sentiment (75/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Battery Level - Portal maintains Excited user sentiment (4.23/5 from 26 reviews), with users consistently praising the soundboard provides a humorous and engaging experience for fans of the source material. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.23/5 (26 reviews) | | **User Mood** | Excited | | **Category** | Utilities | | **Developer** | An Trinh | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Medium (0.5/1.0) | | **Data Age** | 53d | ## Metadata & Market Performance - **Publisher:** An Trinh - **Category:** Utilities - **Target Audience:** Fans of the Portal video game series looking for themed device customization and battery monitoring tools. - **Platforms:** iOS - **Version Reviewed:** 2 - **Report Date:** 2026-09-18 - **Signal Count:** 11 reviews analyzed - **Confidence:** Medium (0.5/1.0) - **App Store ID (iOS):** 1458111693 - **Bundle ID:** com.atrinh.batterylevelportal - **Data Window:** Analysis based on signals collected up to 2026-09-18 ## Executive Snapshot **What it is:** Battery Level - Portal is a themed battery monitor and soundboard for iOS, designed for fans of the Portal game series. **Why users hire it:** The app removes the monotony of standard battery monitoring by replacing system visuals with Aperture Science-themed assets, serving a niche audience that prioritizes aesthetic customization over utility performance. ## App DNA (Features & Intent) - **[Differentiator] Portal-themed Battery Monitor:** Visual battery level display modeled after Aperture Science test chamber signs, creating a brand-specific aesthetic that drives organic acquisition. * *User Intent:* Users value self-expression and personalized experiences. - **[Differentiator] Portal Soundboard:** Integrated audio clips from the Portal game series, serving as a primary retention loop for fans. - **[Standard] Battery Level Announcements:** Audio notifications of current charge percentage, localized to device language settings. * *User Intent:* Users want timely prompts to stay engaged without missing updates. ## Market Position {#market-position} Battery Level - Portal occupies a niche utility space, holding a 4.23 rating across 26 total reviews. The lack of updates for over five years signals that the app is a legacy fan project rather than a competitive market entrant. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is distributed as a free utility with no visible in-app purchases or subscription tiers, relying entirely on brand association for distribution. ## 🟢 User Sentiment (Medium Confidence: 11 of 11 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.23/5 - **Platform Split:** iOS 4.2/5 (26 ratings) - **Overall Sentiment:** Excited ### Top Praises - **The soundboard provides a humorous and engaging experience for fans of the source material** - **The battery widget offers a clean and efficient utility without intrusive animations or visual clutter** ### Top Complaints (Impact Areas) - **The battery percentage display occasionally shows inaccurate data compared to the actual system reading** ## SWOT Analysis {#swot} **Core Strengths:** - Aperture Science-themed aesthetic creates a defensible niche appeal for Portal fans. - Minimalist widget design removes visual clutter, sustaining high satisfaction among core users. **Growth Levers:** - Expanding the soundboard with Portal 2 assets would satisfy the top-requested user feature. - Text-to-speech integration would provide a modern, personalized alternative to static audio clips. ## What's New - **Latest (v2, 5 years ago):** Resolved audio playback interruptions caused by the soundboard and implemented status bar hiding on the main display. ## App Momentum (Zombie) {#momentum} - No updates for over five years. - Maintenance mode status confirmed. > **Cadence:** 1 total versions · 0 majors in last 6 months · 2034 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Battery Level - Portal is a market-leading utilities app that is completely free. With a 4.23/5 rating from 26 reviews, it delivers strong user satisfaction. > **Bottom Line:** Battery Level - Portal relies on franchise nostalgia to retain users, but the five-year development silence makes its core utility increasingly fragile. Addressing the reported battery-reading inaccuracies would stabilize the experience for the existing fan base, even without new feature investment. **Best for:** Fans of the Portal video game series looking for themed device customization and battery monitoring tools. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Pivot to a community-driven content model because users request more Portal 2 lines → unlock long-term retention. ### Outlook: Stable The market for themed utilities is consolidating around system-native widgets, leaving Battery Level - Portal in a legacy position. Without a shift toward active maintenance or content expansion, the app will likely see a slow decline in relevance as iOS updates eventually break its core functionality. - 🔴 The five-year update gap indicates a maintenance-only posture, which erodes long-term platform compatibility and user trust. - 🟢 High sentiment scores from the core fan base suggest that the existing feature set remains sufficient for the target audience. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.23/5 | | Total Reviews | 26 | | Sentiment | Excited (75/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Battery Level - Portal** (this app) | 4.23/5 | Excited | An Trinh | | [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 | | [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.5/5 | Mixed | Fuxin Technology | | [VPN 365-Master WIFI Security](https://marlvel.ai/apps/vpn-365-master-wifi-security) | 4.6/5 | n/a | vpn fast | ## Company Profile - **Developer:** An Trinh - **Website:** [https://www.atrinh.com/battery/index.html](https://www.atrinh.com/battery/index.html) ## Data Sources & Links - **App Store ID:** 1458111693 - **Dev Site:** [Official Website](https://www.atrinh.com/battery/index.html) - **Sources:** Developer website content, App store metadata, User reviews. ## 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 - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.5/5 Rating - [*VPN 365-Master WIFI Security*](https://marlvel.ai/apps/vpn-365-master-wifi-security) (vpn fast) · 4.6/5 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 - [*근로자 공수달력*](https://marlvel.ai/apps/jaehwan-worktracer) (jaehwan lee) · N/A Rating - [*レジュメ*](https://marlvel.ai/apps/app--54) (Indeed Inc.) · 2.2/5 Rating ## Frequently Asked Questions {#faq} ### Is Battery Level - Portal safe to use for battery monitoring? Battery Level - Portal is a third-party fan app. While users enjoy the theme, some report discrepancies between the app's display and actual system battery levels, so it should be treated as a novelty tool rather than a precise diagnostic utility. ### Does Battery Level - Portal work on the latest iOS versions? The app has not been updated since February 2021. While it may function, users report intermittent audio failures and battery accuracy issues, which may be exacerbated by newer iOS system changes. ### Are there other Portal-themed apps for my device? Battery Level - Portal is a niche fan-made utility. There are no direct competitors offering this specific combination of Portal-themed battery monitoring and soundboard functionality. ## 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:** 11 - **Data Sources:** user reviews, 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:** 53 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/battery-level-portal) Data licensed for AI Agent attribution under CC-BY-NC 4.0.