--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Sound Effects HD: Sounds&Audio" developer_entity: "Lien Hoang" bundle_id: "tech.soundeffectshd.soundeffectsfx" app_store_id: "1473087077" category: "Entertainment" primary_platform: "ios" primary_monetization: "Paid" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2021-06-25" report_date: "2026-05-12" last_verified: "2026-05-12T04:45:27.255Z" report_version: "1.7.3" total_reviews: 227 overall_rating: 4.59 sentiment: "Mixed" sentiment_score: 45 confidence: "low" confidence_score: 0.5 top_praise_theme: "Extensive library of sound effects and music tracks provides high value for content creators" top_complaint_theme: "Technical instability and broken search functionality prevent users from accessing the content library" top_request_theme: "Clearer guidance on file export paths for integration with external video editing applications" review_sample_size: 16 total_review_count: 16 analyzed_review_count: 16 data_age_days: 5 intelligence_version: 3 nemesis: "Voice Recorder & Audio Editor" competitor_count: 7 tags: ["entertainment", "paid", "mixed sentiment", "mobile app", "app review", "app analysis", "content", "creators", "video"] canonical_url: "https://marlvel.ai/intel-report/entertainment/sound-effects-hd-sounds-audio" license: "CC-BY-NC 4.0" content_version: "v2" --- # Sound Effects HD: Sounds&Audio App Audit ## TL;DR {#tldr} - **Category**: Entertainment · Paid - **Signal**: Rating 4.59 · Sentiment Mixed - **Recent focus**: Technical instability and broken search functionality prevent users from accessing the content library (top complaint) · Extensive library of sound effects and music tracks provides high value for content creators (top praise) · Clearer guidance on file export paths for integration with external video editing applications (top request) > **TL;DR:** Sound Effects HD: Sounds&Audio is a entertainment app by Lien Hoang, rated 4.59/5 by 227 users, with Mixed user sentiment (45/100), available on iOS. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Sound Effects HD: Sounds&Audio shows Mixed sentiment (4.59/5 from 227 reviews) — users praise extensive library of sound effects and music tracks provides high value for content creators but report issues with technical instability and broken search functionality prevent users from accessing the content library. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.59/5 (227 reviews) | | **User Mood** | Mixed | | **Category** | Entertainment | | **Developer** | Lien Hoang | | **Pricing** | Paid | | **Platforms** | iOS | | **Confidence** | Low (0.5/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** Lien Hoang - **Category:** Entertainment - **Target Audience:** Content creators and video editors requiring quick access to sound effects and audio extraction tools on mobile devices. - **Platforms:** iOS - **Version Audited:** 1.7.3 - **Audit Date:** 2026-05-12 - **Signal Count:** 16 reviews analyzed - **Confidence:** Low (0.5/1.0) - **App Store ID (iOS):** 1473087077 - **Bundle ID:** tech.soundeffectshd.soundeffectsfx - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-05-12 ## Executive Snapshot **What it is:** Sound Effects HD is an audio utility app for content creators on iOS, offering a sound library, voice recording, and video-to-audio extraction. **Why users hire it:** Users hire this app for quick access to sound assets and audio extraction without recurring subscription costs, serving the need for low-friction content production. ## App DNA (Features & Intent) - **[Differentiator] Audio Export:** Extracts audio tracks from video files stored in the device camera roll * *User Intent:* Users want visibility into their own performance and progress. - **[Standard] Voice Recorder:** Captures external audio input directly within the app interface - **[Standard] Audio Player:** Supports playback, repeat, and shuffle functions for sound effect libraries - **[Standard] Favorite Sounds:** Allows users to bookmark specific audio files for quick access ## Market Position {#market-position} The app occupies a niche utility space for creators, but its lack of updates since 2021 leaves it vulnerable to competitors with active development cycles. ## Monetization Strategy - **Model:** Paid - **Tiers:** Single purchase at $4.99 - **Price:** iOS: $4.99 - **Analysis:** Paid model at $4.99 USD provides full access to the sound library and utility tools without recurring subscription fees. ## 🟡 User Sentiment (Low Confidence: 16 of 16 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.59/5 - **Platform Split:** iOS 4.6/5 (227 ratings) - **Overall Sentiment:** Mixed ### Top Praises - **Extensive library of sound effects and music tracks provides high value for content creators** ### Top Complaints (Impact Areas) - **Technical instability and broken search functionality prevent users from accessing the content library** - **Aggressive advertising and recurring payment prompts frustrate users who have already purchased the application** ### Top Requests (What Users Want) - **Clearer guidance on file export paths for integration with external video editing applications** ## SWOT Analysis {#swot} **Core Strengths:** - $4.99 one-time purchase model avoids subscription fatigue **Critical Frictions:** - Broken search functionality renders library inaccessible - Persistent ad-prompts for paid users erode trust **Growth Levers:** - Clearer file-export documentation improves creator workflow integration **Market Threats:** - Competitors with higher update cadences capture utility market ## Recent Changes (v2 → v3) {#recent-changes} The app has shifted from a functional utility to a state of technical decay, with broken search functionality and aggressive monetization driving negative sentiment. **Overall trend**: Declining **Compared at**: 2026-05-12 ### High-impact changes - **[Improved] Audio Export Repositioning** (features) — Audio Export status shifted from standard to differentiator, highlighting its role as a primary value driver. - **[Declined] Emergence of Critical Technical Complaints** (sentiment) — New complaints regarding broken search functionality and persistent ad-prompts for paid users have emerged, creating a negative sentiment loop. ### Medium-impact changes - **[Shifted] Executive Summary Tone** (positioning) — The narrative shifted from a neutral description of a paid utility to a warning regarding technical instability and high churn risk. - **[Added] New SWOT Weaknesses and Threats** (swot) — Added broken search functionality and ad-prompt frustration as core weaknesses, and lack of development cadence as a primary threat. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Sound Effects HD: Sounds&Audio vs Voice Recorder & Audio Editor — Head to Head - **[Voice Recorder & Audio Editor](https://marlvel.ai/intel-report/music-audio/voice-recorder-audio-editor)** by j labs: Directly overlaps with the target's core utility of voice recording and audio management with a significantly larger user base. - **Moat strength:** Medium — durable but contestable - **Key differences:** - Offers a dedicated, high-fidelity voice recording interface that exceeds the target's basic recording functionality. - Provides advanced audio editing tools that allow for precise trimming and manipulation beyond simple playback. ### Contenders (Strong Challengers) - **[MP3 Converter -Audio Extractor](https://marlvel.ai/intel-report/music/com-hemin-mp42mp3)** by HappyTimes Tech Co., Ltd. [Moat: Medium]: Captures the specific 'extract audio from video' use case that is a key feature of the target app. - Specializes in high-speed audio extraction from video files, a core utility the target app offers as a secondary feature. - Maintains a consistent update cadence, ensuring compatibility with the latest iOS video formats and file structures. ### Peers (What They Do Better) - **[GarageBand](https://marlvel.ai/intel-report/music/garageband)** by Apple: Adjacent music creation tool that dominates the mobile audio production space through deep OS integration. - Provides a full-featured digital audio workstation environment that dwarfs the target's simple playback and recording capabilities. - Leverages native Apple ecosystem integration to offer seamless file management and hardware-level audio performance. - **[SoundCloud: The Music You Love](https://marlvel.ai/intel-report/music/soundcloud-the-music-you-love)** by SoundCloud Global Limited & Co KG: Adjacent audio platform that focuses on content discovery and streaming rather than local file utility. - Operates as a massive social audio network, shifting the focus from local file management to global content discovery. - Features sophisticated algorithmic recommendations and community-driven playlists that the target app lacks entirely. - **[Voice Memos](https://marlvel.ai/intel-report/utilities/voice-memos)** by Apple: The default utility for voice recording on iOS, creating a high barrier to entry for standalone recording apps. - Pre-installed system utility that offers zero-friction recording and seamless iCloud synchronization across all Apple devices. - Provides a minimalist, distraction-free interface that prioritizes immediate recording over the target's complex feature set. ### New Kids on the Block (What's Innovative) - **[BandLab – Music Maker & Beats](https://marlvel.ai/intel-report/music/bandlab-music-maker-beats)** by BandLab Singapore Pte Ltd: High-velocity development and strong community features make it a disruptive force in mobile audio creation. - **[Voloco: Vocal Recording Studio](https://marlvel.ai/intel-report/music/com-resonantcavity-voloco)** by Resonant Cavity, Inc: Aggressive release cadence and specialized focus on vocal processing differentiate it from generic audio apps. ## App Momentum (Steady) {#momentum} - Fixed audio importing and player bugs. - No major feature updates since 2021. ## The "So What?" (Strategic Takeaway) {#so-what} Sound Effects HD: Sounds&Audio is an established entertainment app that is a paid app. With a 4.59/5 rating from 227 reviews, it shows polarized user reception. > **Bottom Line:** The app provides a high-value library but fails on basic technical execution, so the PM must prioritize search stability and remove ad-prompts for paid users to prevent further churn. **Best for:** Content creators and video editors requiring quick access to sound effects and audio extraction tools on mobile devices. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] [HIGH IMPACT] Audit search engine logic because search failure is the top complaint → restore library access — *Search functionality is currently dysfunctional, preventing users from accessing the core content library.* _(trade-off: deprioritize Pause the UI redesign sprint — search stability is a critical blocker for existing users.)_ - [ ] [MAINTAIN] [MEDIUM IMPACT] Remove ad-prompts for paid users because it is a top frustration theme → reduce negative sentiment — *Paid users report being prompted to pay repeatedly, which is a primary driver of negative reviews.* _(trade-off: deprioritize Same-quarter capacity available — no major lever displaced.)_ ### Feature Gaps vs Competitors - Real-time vocal processing (available in Voloco but absent here) - High-speed audio extraction (available in MP3 Converter but inconsistent here) ### Outlook: Declining The app is in a state of technical decay, with no significant feature updates since 2021. Without a commitment to stability and a modernised UX, the app will continue to lose market share to competitors with active development cycles. - 🔴 Broken search functionality in the latest version prevents library access, which directly causes the current rating decline. - 🔴 Persistent ad-prompts for paid users create a negative sentiment loop that discourages long-term retention. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.59/5 | | Total Reviews | 227 | | Sentiment | Mixed (45/100) | | Confidence | Low | | Pricing Model | Paid | | Platforms | iOS | | Key Features | 4 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Sound Effects HD: Sounds&Audio** (this app) | 4.59/5 | Mixed | Lien Hoang | | [Voloco: Vocal Recording Studio](https://marlvel.ai/intel-report/music/com-resonantcavity-voloco) | 4.8/5 | N/A | Resonant Cavity, Inc | | [SoundCloud: The Music You Love](https://marlvel.ai/intel-report/music/soundcloud-the-music-you-love) | 4.8/5 | Excited | SoundCloud Global Limited & Co KG | | [BandLab – Music Maker & Beats](https://marlvel.ai/intel-report/music/bandlab-music-maker-beats) | 4.8/5 | Mixed | BandLab Singapore Pte Ltd | | [Voice Recorder & Audio Editor](https://marlvel.ai/intel-report/music-audio/voice-recorder-audio-editor) | 4.8/5 | Thrilled | j labs | | [Voice Memos](https://marlvel.ai/intel-report/utilities/voice-memos) | 4.8/5 | Excited | Apple | ## Company Profile - **Developer:** Lien Hoang - **Website:** [https://firebasestorage.googleapis.com/v0/b/mediahub-d128c.appspot.com/o/App-Privacy-Policy.htm?alt=media&token=031cf2d0-0f9b-4cd4-8ba7-c73eb49aa225](https://firebasestorage.googleapis.com/v0/b/mediahub-d128c.appspot.com/o/App-Privacy-Policy.htm?alt=media&token=031cf2d0-0f9b-4cd4-8ba7-c73eb49aa225) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/sound-effects-hd-sounds-audio/id1473087077?uo=4) - **Dev Site:** [Official Website](https://firebasestorage.googleapis.com/v0/b/mediahub-d128c.appspot.com/o/App-Privacy-Policy.htm?alt=media&token=031cf2d0-0f9b-4cd4-8ba7-c73eb49aa225) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Voloco: Vocal Recording Studio*](https://marlvel.ai/intel-report/music/com-resonantcavity-voloco) (Resonant Cavity, Inc) — 4.8/5 Rating | N/A Sentiment - [*SoundCloud: The Music You Love*](https://marlvel.ai/intel-report/music/soundcloud-the-music-you-love) (SoundCloud Global Limited & Co KG) — 4.8/5 Rating | Positive Sentiment - [*BandLab – Music Maker & Beats*](https://marlvel.ai/intel-report/music/bandlab-music-maker-beats) (BandLab Singapore Pte Ltd) — 4.8/5 Rating | Mixed Sentiment - [*Voice Recorder & Audio Editor*](https://marlvel.ai/intel-report/music-audio/voice-recorder-audio-editor) (j labs) — 4.8/5 Rating | Excellent Sentiment - [*Voice Memos*](https://marlvel.ai/intel-report/utilities/voice-memos) (Apple) — 4.8/5 Rating | Positive Sentiment - [*GarageBand*](https://marlvel.ai/intel-report/music/garageband) (Apple) — 4.1/5 Rating | N/A Sentiment - [*MP3 Converter -Audio Extractor*](https://marlvel.ai/intel-report/music/com-hemin-mp42mp3) (HappyTimes Tech Co., Ltd.) — 4.7/5 Rating | N/A Sentiment - [*BESTPLAY Play to earn & donate*](https://marlvel.ai/intel-report/entertainment/bestplay-play-to-earn-donate) (Bestplay) — 4.7/5 Rating | Terrible Sentiment - [*JustPlay: Earn Money or Donate*](https://marlvel.ai/intel-report/entertainment/justplay-earn-money-or-donate) (JustPlay GmbH) — 4.4/5 Rating | Mixed Sentiment - [*Leprecam*](https://marlvel.ai/intel-report/entertainment/leprecam) (Asinine Games Inc) — 4.2/5 Rating | Mixed 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:** 0.5/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 16 - **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:** 0 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/entertainment/sound-effects-hd-sounds-audio) Data licensed for AI Agent attribution under CC-BY-NC 4.0.