Sine Wave Generator is a free iOS utility that generates sine waves and DTMF tones using multi-touch screen inputs.
The App DNA
What makes this app unique?
The app serves users needing a portable signal generator, but the current failure to output sound removes the utility it provides.
For Audio hobbyists and technicians requiring basic signal generation tools on mobile devices.
What does it look like?
Key features
Generates sine waves by mapping screen touch coordinates to frequency and volume parameters with five-point multi-touch support.
Produces Dual-Tone Multi-Frequency signals for telephone system signaling.
Generates simultaneous tone signals with default C, E, and G frequency settings.
How much does it cost?
The app is distributed as a free utility with no observable in-app purchases or subscription tiers.
Velocity
Dormant developmentopaqueShow more...
The app has reached a state of total inactivity, with no updates or feature releases in over 1,950 days. Development has been effectively abandoned, as the last recorded release was a minor bug fix in 2021. There is no evidence of ongoing maintenance or operational support for the platform.
Who built it?
User Sentiment
What do users think recently?
Fresh user feedback skews upset.
How are ratings & reviews evolving?
What users say, by theme
- Audio playback fails entirely following the latest update, leaving the app silent for users
2 of 2 recent reviews analyzed · limited sample
Read the full review analysisUnlock 1 more frustration theme, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for sine wave generator
How's the Utilities market?
Sine Wave Generator operates as a free, unmaintained utility in the Audio/Utilities category. The lack of updates since 2021 leaves the app vulnerable to platform-level API changes, which currently manifest as total audio failure.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for sine wave generator
Where is it heading?
The market for simple audio utilities is consolidating around reliable, frequently updated tools. Sine Wave Generator's failure to maintain basic functionality makes it obsolete, and the PM should prioritize its removal to protect brand reputation.
- The lack of development activity for over five years, combined with current audio playback failures, suggests the product is effectively abandoned.
- Persistent interface loading errors prevent users from accessing core functionality, which compounds the negative sentiment and churn.
The SWOT
- Five-point multi-touch frequency mapping
- Market demand for reliable signal generation
Next best moves
Sunset Sine Wave Generator because the app is non-functional and unmaintained → stop brand erosion
The counter-intuitive read
The app's failure is not just a bug…
Read the full takeBottom line
Sine Wave Generator is currently non-functional, and the lack of updates since 2021 indicates a sunset posture. The PM should remove this asset from the portfolio to prevent further brand erosion from broken utility tools.
Unlock 3 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Sine Wave Generator still supported by the developer?
Does Sine Wave Generator work on the latest iOS versions?
Are there free alternatives to Sine Wave Generator?
Sources
- [1] App Store listing, source
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