By Lien Hoang
Report updated May 12, 2026
Audio Joiner: Merge & Recorder
For casual users needing simple tools to combine audio clips or extract audio from local video files.
Audio Joiner: Merge & Recorder is an established entertainment app that is free with in-app purchases. With a 4.1/5 rating from 1.2K reviews, it shows polarized user reception. Users particularly appreciate the core audio joining functionality provides a free and effective solution for casual users, though the application fails to perform gapless audio joining which frustrates users expecting professional results remains a common concern.
What is Audio Joiner: Merge & Recorder?
Audio Joiner is an entertainment utility for merging audio tracks and extracting audio from video on iOS and Android.
Users hire the app for quick, low-friction audio concatenation, but the lack of gapless joining and mixing features forces them to seek more capable editors as their projects grow.
Current Momentum
v1.3 · 6mo ago
Maintenance- Ships frequent stability patches on Android.
- Last major iOS update June 2021.
Active Nemesis
Audio Editor - Music editor
By 苏娟 陈
Other Rivals
7-Day Rank Pulse 🇺🇸
EntertainmentRating Pulse 🇺🇸
Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Concatenates multiple audio files into a single track without count restrictions
Captures audio input directly within the application interface
Converts video files from camera roll into m4a, mp4, mov, or wav formats
Optimized processing footprint to minimize device resource consumption during file manipulation
How much does it cost?
- Free (Android)
- Paid at $4.99 (iOS)
Monetization is split by platform, with a $4.99 upfront cost on iOS and an ad-supported free model on Android.
Who Built It?
Lien Hoang
Providing simple, utility-focused tools for image editing and audio manipulation. Designed for users needing quick, manual adjustments to media files.
Portfolio
12
Apps
Who is Lien Hoang?
Lien Hoang operates as a utility-focused developer that prioritizes functional, single-purpose tools over integrated platforms. The portfolio relies on a 'toolkit' strategy, where individual apps address specific, granular tasks like background removal or audio trimming, rather than attempting to capture the full creative workflow. The primary strategic tension lies in the long-term maintenance of these legacy tools, as the majority of the portfolio has seen limited recent activity, suggesting a shift toward a maintenance-only model for the existing catalog.
Who is Lien Hoang for?
- Casual mobile users seeking straightforward
- No-frills solutions for basic photo
- Audio editing tasks
Portfolio momentum
With zero releases in the last six months and five out of twelve apps categorized as abandoned, the publisher is currently in a maintenance-only phase.
What other apps does Lien Hoang make?
Extract Video: Get nice photos
Violin Music: Calm & Relaxing
Football Today - Top matches
Sound Effects HD: Sounds&Audio
Sport Live Radio: Score & News
Quick Song Editor
What do users think recently?
High confidence · 59 reviews analyzed · Based on 59 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate the core audio joining functionality provides a free and effective solution for casual users and simple and clean visual interface allows for quick navigation during basic audio editing tasks, but report the application fails to perform gapless audio joining which frustrates users expecting professional results and importing multiple files is restricted by a lack of batch selection which hinders large projects.
What Users Love
What Frustrates Users
What Users Want
What is the competitive landscape for Audio Joiner: Merge & Recorder?
How's The Entertainment Market?
How does it evolve in the Entertainment market?
Audio Joiner sits at #64 Paid in the US Entertainment category. The lack of recent updates on iOS compared to the Android version creates a fragmented experience that limits cross-platform brand consistency.
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇬🇧 UK | Entertainment | iOSPaid | #53 | NEW |
| 🇸🇳 Senegal | Entertainment | iOSPaid | #69 |
The rivals identified
The Nemesis
Audio Editor - Music editor
★4.5 (28.8K)苏娟 陈
🚀With over 28,000 reviews and consistent updates, this app dominates the niche by offering a comprehensive suite of editing tools that far exceeds the target's basic merging functionality.
Head to Head
The target app must decide whether to remain a niche utility or expand into a full editor to compete with the feature-rich dominance of this rival.
What sets Audio Joiner: Merge & Recorder apart
Offers a more focused, simplified user experience for users who only need to join files quickly.
Provides a more intuitive interface for non-technical users who find complex multi-track editors overwhelming.
What's Audio Editor - Music editor's Edge
Includes advanced audio processing tools like trimming, mixing, and effects that the target app lacks.
Maintains a significantly larger user base, creating a stronger social proof and community-driven feedback loop.
Contenders
Integrates mixing capabilities that allow for overlaying audio tracks rather than just sequential joining.
Maintains consistent feature updates, keeping the tool relevant against evolving mobile OS audio standards.
WavePad Music and Audio Editor
★4.6 (4.4K)NCH Software
🔧A professional-grade legacy application that provides a high-trust alternative for users requiring precision editing.
Leverages a long-standing desktop brand reputation to capture users seeking professional-grade audio processing on mobile.
Offers advanced signal processing features like noise reduction and normalization which are absent in the target.
Peers
Provides a waveform-based visual editing interface that allows for precise millisecond-level audio manipulation.
Positions itself as a utility-first tool, prioritizing performance and stability over the target's entertainment-focused branding.
Designed specifically for long-form content creation with advanced project management and multi-track arrangement features.
Offers a sophisticated automation system for volume and panning that the target app does not support.
New Kids on the Block
Audio Editor & Tool
★4.1 (81)Nobutaka Yuasa
⚡Shows high development velocity with three updates in the last six months, indicating an active effort to capture market share.
Rapidly iterating on UI/UX to lower the barrier for entry compared to legacy audio editors.
Focusing on lightweight performance to attract users who find larger, feature-heavy editors too resource-intensive.
The outtake for Audio Joiner: Merge & Recorder
Strengths to defend, gaps to attack
Core Strengths
- Lightweight processing footprint minimizes device resource consumption
- Simple interface lowers the barrier for first-time audio editing users
Critical Frictions
- $4.99 iOS price point exceeds category median for basic utilities
- Lack of gapless playback triggers negative sentiment in 1★ reviews
- Frequent crashes during processing drive users toward more stable alternatives
Growth Levers
- Implement batch file selection to reduce import friction for long-form content
- Add true audio mixing to capture prosumer demand
Market Threats
- Audio Editor - Music editor's 28,000-review volume creates a social proof barrier
- New entrants with higher release velocity threaten to capture the lightweight utility segment
What are the next best moves?
Audit crash logs because processing errors are the #1 stability complaint → reduce churn
Sentiment analysis identifies frequent crashes as a primary driver of negative reviews.
Trade-off: Pause new feature development on the audio recorder — stability is the current retention bottleneck.
Ship batch import functionality because manual selection is a top-requested workflow improvement → increase long-form usage
Reviewers explicitly cite the lack of batch selection as a barrier for large projects.
Trade-off: Deprioritize the UI refresh on the landing screen — workflow utility outweighs visual polish.
A counter-intuitive read
The app's simplicity is its primary retention mechanism, and adding complex mixing features may actually alienate the casual user base that currently drives the app's positive sentiment.
Feature Gaps vs Competitors
- Gapless audio joining (available in Audio Editor - Music editor)
- Waveform-based visual editing (available in Lexis Audio Editor)
- Multi-track mixing (available in Audio Editor - Music Mixer)
Key Takeaways
Audio Joiner succeeds as a lightweight utility for casual tasks, but its technical instability and lack of advanced features like gapless playback limit its growth, so the PM should prioritize stability and batch import to retain the current user base.
Where Is It Heading?
Declining
The casual audio utility market is consolidating around tools that offer both stability and basic editing features. Audio Joiner's maintenance-mode status on iOS leaves it exposed to more active competitors, and without addressing core stability issues, the app will continue to lose ground to rivals with higher update cadences.
Frequent crashes during file processing erode user trust, which compounds the rating drag already visible on Android.
The lack of gapless playback functionality drives users to more capable competitors, accelerating churn pressure into the next quarter.