Frequency: Sound Generator is a utility app for iOS that produces sine, square, sawtooth, and triangle sound waves for audio testing and instrument tuning.
Product velocity
Dormant
Daily rank 🇺🇸
—
Utilities
Sentiment
4.7
778 reviews
Nemesis
Tone Generator!
The App DNA
What makes this app unique?
Users hire this tool to perform precise speaker diagnostics, hearing tests, and maintenance tasks like water removal from hardware speakers.
For Audio professionals, musicians, and users performing DIY speaker maintenance or hearing tests.
What does it look like?
Key features
Produces sine, square, sawtooth, or triangle sound waves between 1Hz and 22000Hz
Generates specific frequencies corresponding to musical notes
Uses specific sound vibrations to shake water out of device speakers
How much does it cost?
The app operates as a free utility with no visible subscription or IAP gates.
Velocity
Dormant developmentopaqueShow more...
The app has not received a release in over 12 months, indicating a lack of active development. With only a single version recorded in the observed data and no updates since early 2025, the development momentum is classified as zombie. There is no evidence of ongoing maintenance, feature updates, or live operations.
Who built it?
User Sentiment
What do users think recently?
Recent user voice shows a mixed sentiment. Users appreciate frequency generation precision allows users to conduct accurate audio testing and meditation sessions.
How are ratings & reviews evolving?
What users say, by theme
- Frequency generation precision allows users to conduct accurate audio testing and meditation sessions
- Aggressive and suggestive advertising patterns degrade the user experience for free tier participants
24 of 24 recent reviews analyzed · moderate confidence · Mixed overall
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Frequency: Sound Generator
How's the Utilities market?
The app maintains a 4.73 rating across 778 total ratings, indicating high satisfaction with core utility despite the ad-monetization friction. The lack of IAP options limits revenue potential compared to competitors that offer ad-free tiers.
Read the market outlookThe rivals identified
By Peter Deelstra
Direct functional overlap in the frequency generation niche with a significant, established user base.
- Maintains a singular focus on tone generation without the feature creep of multi-purpose utility apps.
- Established long-term presence in the niche provides a baseline of trust for professional audio users.
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Frequency: Sound Generator
Where is it heading?
The utility-app market is consolidating around tools that offer cleaner, ad-free experiences for power users. Without an IAP path, this app remains exposed to competitors that prioritize user experience over short-term ad impressions, so the PM must pivot to a hybrid monetization model to retain the professional user base.
- Aggressive ad-monetization patterns are driving high-frequency complaints, which will likely erode the current 4.73 rating baseline over the next quarter.
- Recent feature expansion into musical note generation shows active development, which could improve retention if paired with a monetization pivot.
The SWOT
- High-precision frequency output enables professional-grade audio calibration
- Speaker cleaning utility drives repeat visits for hardware maintenance
- Implement manual frequency input to improve professional utility
- Introduce IAP for ad-removal to satisfy user requests
Next best moves
Ship IAP for ad-removal because user requests for ad-free experience are high → increase LTV
+ 1 more prioritized moveThe counter-intuitive read
The app's reliance on aggressive ads is not…
Read the full takeFeature gaps
AirPlay/Wireless streaming support (available in competitors)
Bottom line
The app provides high-utility frequency generation, but the current ad-monetization model creates a significant churn risk, so the PM should prioritize an IAP ad-removal tier to capture revenue and improve user sentiment.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
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