Sound Amplifier: Hear Boost

Sound Amplifier: Hear Boost

By Lash Karetski

Sound Amplifier: Hear Boost is an audio enhancement tool for iPhone that provides real-time volume boosting and a 30-second audio replay feature.

The App DNA

What makes this app unique?

The app removes the social friction of asking speakers to repeat themselves in noisy environments, serving as a temporary hearing aid alternative.

For Individuals needing temporary audio amplification in noisy environments, lectures, or meetings.

What does it look like?

Key features

Instant Replayedge

Rewinds the last 30 seconds of audio for immediate playback, preventing information loss.

Microphone Booststandard

Captures distant sounds using the device microphone for enhanced clarity.

Background Modestandard

Maintains audio processing while the screen is locked to reduce power consumption.

How much does it cost?

subscriptionFree tier with unspecified limitationsSubscription model with auto-renewal

The subscription model requires cancellation at least 24 hours before the period ends to avoid recurring charges.

Velocity

Dormant developmentopaqueShow more...

Development has ceased, with no new feature builds or updates released in the last 195 days. The app's history consists of a single minor release focused on performance, indicating a lack of active maintenance or ongoing development. Given the absence of activity for well over three months, the app is classified as a zombie.

See all version history

Who built it?

Lash Karetski

5 apps tracked · Utilities

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Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.73 · 22

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Sound Amplifier: Hear Boost

How's the Utilities market?

Sound Amplifier: Hear Boost operates in the Utilities category with a 4.7-star rating across 22 total reviews. The lack of updates for 195 days places it in a maintenance-only position relative to more frequently updated accessibility tools.

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The rivals identified

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The Analyst's Read

Key takeaways for Sound Amplifier: Hear Boost

Where is it heading?

The market for standalone audio amplification is consolidating as OS-level accessibility features improve. Sound Amplifier: Hear Boost remains stable but stagnant, and the lack of recent feature investment suggests it will struggle to maintain its position against integrated system tools.

  • The 195-day development silence indicates the product is in maintenance mode, which limits its ability to respond to new iOS accessibility features.

The SWOT

Core Strengths
  • Instant Replay feature prevents information loss in conversations
Critical Frictions 1 weakness inside
Growth Levers
  • Localized pricing in high-ARPU markets
Market Threats 1 threat identified

Next best moves

1 Pivot

Pivot development focus toward a Pro feature set because the current maintenance cadence signals a lack of competitive differentiation → increase subscription conversion

The counter-intuitive read

The lack of updates is not just a weakness…

Read the full take

Since the last report: The app has seen no functional or feature-based changes, remaining in a 195-day maintenance cycle. The primary shift is a strategic re-evaluation of the product's lifecycle, moving from a maintenance-focused outlook to a recommendation for a Pro-tier feature pivot.

Bottom line

Sound Amplifier: Hear Boost relies on the Instant Replay mechanism to retain users, but the 6-month development silence suggests the product is currently in maintenance mode, leaving it vulnerable to OS-level accessibility updates.

Unlock 1 critical friction, 1 market threat and the analyst’s take.

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FAQ

Is Sound Amplifier: Hear Boost a medical hearing aid?
No, Sound Amplifier: Hear Boost is a sound amplification tool and is not a medical device.
Does Sound Amplifier: Hear Boost work with Bluetooth headphones?
Yes, the app supports AirPods and Bluetooth devices (A2DP), though wired headphones are recommended for zero latency.
How do I cancel my subscription?
Subscriptions automatically renew unless canceled at least 24 hours before the period ends. You can manage your subscription in Settings > Apple ID.

Sources

  1. [1] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Sound Amplifier: Hear Boost, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app has seen no functional or feature-based changes, remaining in a 195-day maintenance cycle. The primary shift is a strategic re-evaluation of the product's lifecycle, moving from a maintenance-focused outlook to a recommendation for a Pro-tier feature pivot.

shifted

Outlook Trend Reclassification

shifted

PM Action Item Pivot

Cite this report

Marlvel.ai. “Sound Amplifier: Hear Boost Intelligence Report.” Updated Aug 18, 2026. https://marlvel.ai/apps/sound-amplifier-hear-boost

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