FQC - Frequency Counter
By Andrew Hazon
FQC is a real-time audio frequency counter for iOS that identifies musical notes and monitors signal levels.
The App DNA
What makes this app unique?
The app removes the friction of account creation and data tracking, serving users who need an immediate, private tool for audio signal analysis.
For Hobbyists, musicians, and electronics experimenters requiring a simple, local-only audio frequency tool.
What does it look like?
Key features
Displays audio frequency in Hz or kHz using the device microphone.
Freezes the current frequency reading for manual inspection.
Filters background ambient noise to isolate target signals.
How much does it cost?
FQC operates as a free utility with no monetization mechanisms or data collection.
Velocity
Maintenance developmentperformanceShow more...
The app is currently in a maintenance phase, with only one release recorded in the analyzed window. The latest version provided no functional changes, focusing exclusively on minor maintenance. Development momentum is low, with 93 days elapsed since the last update. There is no evidence of active feature development or live operations.
Who built it?
User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for FQC - Frequency Counter
How's the Utilities market?
FQC occupies a niche as a privacy-first, ad-free utility in the Utilities category. The absence of monetization or tracking differentiates it from ad-supported rivals, though the 93-day update gap limits its visibility against more frequently updated tools.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for FQC - Frequency Counter
Where is it heading?
The audio utility market is consolidating around tools that offer both real-time analysis and data-export workflows. FQC remains stable but exposed, as the lack of active development prevents it from capturing the power-user segment that requires persistent logging.
- The maintenance-only release cadence suggests FQC will remain a static utility rather than evolving into a comprehensive measurement suite.
The SWOT
- Local-only analysis architecture eliminates privacy concerns
- Exportable CSV logs could capture experimenter segment
Next best moves
Ship CSV data export because experimenters require logging for analysis → increase utility for power users
The counter-intuitive read
The lack of monetization is FQC's primary barrier to growth: without revenue…
Read the full takeBottom line
FQC provides a stable, ad-free utility for basic frequency measurement, but the lack of active feature development leaves it vulnerable to rivals that iterate on data-logging and export capabilities.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is FQC free to use?
Does FQC collect my audio data?
Can I export my frequency measurements?
Sources
- [1] App Store
Report last updated