Report updated May 20, 2026
Sound Booster・Increase Volume
For android users experiencing low volume on media, games, or phone calls who require a simple, non-root solution for audio amplification.
Sound Booster・Increase Volume is a well-regarded music & audio app that is free with in-app purchases. With a 4.8/5 rating from 415.5K reviews, it maintains solid user satisfaction. Users particularly appreciate effective sound amplification functionality provides a noticeable boost to audio output quality for users, though persistent advertisements without functional audio improvement frustrate users who expect immediate performance results remains a common concern.
What is Sound Booster・Increase Volume?
Sound Booster is a utility app for Android that provides system-wide audio amplification and equalizer settings for media and voice calls.
Users hire this app to bypass hardware volume limitations on Android devices without requiring root access, serving the need for immediate, accessible audio clarity.
Current Momentum
v3.7 · 11mo ago
Zombie- Ships general performance and bug fixes.
- Maintains stable top-200 grossing category rank.
Active Nemesis
Fragmented niche
No dominant direct rival identified yet — see Other Rivals below.
Other Rivals
7-Day Rank Pulse 🇺🇸
Music & AudioNo ranking data
Rating 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?
Single-tap interface to increase system volume for speakers, headphones, and Bluetooth devices
Frequency adjustment sliders for 60Hz, 230Hz, 910Hz, 3kHz, and 14kHz bands
Playback support for high-fidelity formats including FLAC, ALAC, AIFF, WAV, and DSF
Software-based gain adjustment specifically for voice call audio levels
How much does it cost?
- Free version with ad support
- Pro subscription at $29.99/year
Freemium model anchored by a $29.99 annual subscription, utilizing ad-supported free access to drive high-volume user acquisition.
Who Built It?
Acquiring and evolving mobile applications to unlock their full potential. They specialize in optimizing utility and lifestyle apps for broader reach.
Portfolio
13
Apps
Who is Prometheus Interactive?
ZipoApps operates as a consolidator in the mobile ecosystem, focusing on the acquisition and optimization of existing apps rather than greenfield development. Their strategy centers on applying proprietary algorithmic and AI-driven methodologies to improve the performance and monetization of under-optimized assets. The primary tension in their model is the reliance on aggressive ad-supported monetization, which frequently creates friction and risks user churn in their utility-heavy portfolio.
Who is Prometheus Interactive for?
- General mobile users seeking functional tools for daily tasks
- Photo editing
- Personal organization
Portfolio momentum
With 124 releases in the last 6 months and a major release just 3 days ago, the publisher maintains a highly active development cycle.
What other apps does Prometheus Interactive make?
Photo Blender Editor
Video Background Changer
Screen Mirroring for All TV
Cute Cat Launcher
Daily Quotes: Daily Motivation
GPS Coordinates & Map Tools
What do users think recently?
High confidence · 50 reviews analyzed · Based on 50 reviews. Signal may be noisy.
What is the recent mood?
Recent user voice shows a excited sentiment. Users appreciate effective sound amplification functionality provides a noticeable boost to audio output quality for users and minimalist interface design ensures the application remains easy to use for casual mobile users, but report persistent advertisements without functional audio improvement frustrate users who expect immediate performance results.
What Users Love
What Frustrates Users
What is the competitive landscape for Sound Booster・Increase Volume?
How's The Music & Audio Market?
**Pricing**: Freemium model with a $29.99 annual subscription. **Audience**: Android users seeking non-root audio amplification for media, games, and phone calls. **Performance**: The app holds a #133 Grossing position in the US Music & Audio category, though its grossing rank lags behind its free-tier discovery advantage.
How does it evolve in the Music & Audio market?
Sound Booster maintains a #133 Grossing position in the US Music & Audio category, but its grossing rank lags behind its free-tier discovery advantage. This gap signals monetization friction relative to its utility-based acquisition.
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇪🇬 Egypt | Music & Audio | AndroidGrossing | #65 | NEW |
| 🇯🇴 Jordan | Music & Audio | AndroidFree | #98 | ▲5 |
The rivals identified
Peers
Maintains a massive install base of over one million reviews, creating a significant social proof barrier.
Focuses on hardware-specific compatibility settings that provide granular control over device-specific audio output limitations.
Integrates a dedicated bass equalizer, offering a more comprehensive audio customization suite than basic volume boosters.
Utilizes system-wide audio integration to ensure consistent performance across various media playback applications on Android.
Provides unique sonic water ejection technology, solving a specific hardware pain point that volume boosters ignore.
Includes a built-in decibel meter and frequency tuning tools, positioning the app as a professional audio diagnostic utility.
Offers specialized time-limited hotspot functionality, catering to users needing temporary network management rather than audio enhancement.
Includes a data usage tracker, providing value-add utility that differentiates it from single-purpose audio amplification apps.
New Kids on the Block
Targets a hyper-local niche with emergency reporting features that provide no direct overlap with audio amplification tools.
The outtake for Sound Booster・Increase Volume
Strengths to defend, gaps to attack
Core Strengths
- One-tap interface lowers barrier to entry for casual users
- Hi-Res audio support provides technical differentiator for audiophiles
Critical Frictions
- Premium tier at $29.99/year exceeds category median
- Inconsistent volume output performance triggers negative feedback
Growth Levers
- Untapped B2B partnerships for audio-accessibility tools
- Integration of hardware-specific diagnostic features
Market Threats
- Ad-heavy free tier invites churn to utility-focused rivals
- Maintenance-mode update cadence leaves app vulnerable to live-ops competitors
What are the next best moves?
Audit ad-trigger logic because users report ads without functional volume boost → reduce churn
Top complaint theme identifies ad-delivery without utility as a primary frustration driver.
Trade-off: Pause the UI redesign sprint — ad-logic stability has higher retention impact than visual polish.
Ship hardware-specific compatibility settings because competitors use them to build moats → improve performance
Volume Booster GOODEV uses granular hardware settings to maintain a high-barrier install base.
Trade-off: Push the Hi-Res audio expansion to Q4 — hardware compatibility is a higher-frequency user need.
A counter-intuitive read
The app's high rating is a lagging indicator; the ad-delivery-without-utility complaint is a leading indicator of churn that will erode the #133 grossing rank by Q3.
Feature Gaps vs Competitors
- Sonic water ejection technology (available in Fix My Speakers but absent here)
- Dedicated bass equalizer (available in Speaker Volume: Bass Booster but absent here)
Key Takeaways
Sound Booster holds its category lead through a simple interface but bleeds users to ad-heavy performance failures, so revenue growth hinges on tightening the core utility trigger before the annual subscription gate.
Where Is It Heading?
Mixed Signals
The audio utility market is consolidating around apps that offer hardware-specific diagnostics and cleaner ad-to-utility ratios. Sound Booster remains exposed to churn because its current update cadence lacks the feature expansion needed to defend against specialized rivals.
Persistent ad-delivery without functional audio enhancement triggers user frustration, which will accelerate churn toward utility-focused competitors.
Recent updates focus on stability and bug fixes, signaling a maintenance-mode posture that leaves the app exposed to live-ops rivals.