sine wave generator

sine wave generator

By Yuji Yanase

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

Touch-based Sine Wave Generationedge

Generates sine waves by mapping screen touch coordinates to frequency and volume parameters with five-point multi-touch support.

DTMF Tone Generationstandard

Produces Dual-Tone Multi-Frequency signals for telephone system signaling.

Multi-Tone Modestandard

Generates simultaneous tone signals with default C, E, and G frequency settings.

How much does it cost?

freeFree

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.

See all version history

Who built it?

Yuji Yanase

2 apps tracked · Utilities

15 Puzzle for watch15 Puzzle for watch
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User Sentiment

What do users think recently?

Fresh user feedback skews upset.

How are ratings & reviews evolving?

App Store
3.93 · 43

What users say, by theme

What Frustrates Users
  • Audio playback fails entirely following the latest update, leaving the app silent for users
+ 1 more theme

2 of 2 recent reviews analyzed · limited sample

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Competition

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.

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The rivals identified

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The 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

Core Strengths
  • Five-point multi-touch frequency mapping
Critical Frictions 3 weaknesses inside
Growth Levers
  • Market demand for reliable signal generation
Market Threats 1 threat identified

Next best moves

1 Sunset

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…

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Bottom 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.

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FAQ

Is Sine Wave Generator still supported by the developer?
No, the app has not received an update since May 2021, and users report that core audio functionality is currently broken.
Does Sine Wave Generator work on the latest iOS versions?
Users report that audio playback fails entirely and interface elements hang on infinite loading screens, suggesting the app is not compatible with current iOS versions.
Are there free alternatives to Sine Wave Generator?
Yes, many active audio utility apps are available on the App Store that offer similar signal generation features with current maintenance and support.

Sources

  1. [1] App Store listing, 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 sine wave generator, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “sine wave generator Intelligence Report.” Updated Sep 20, 2026. https://marlvel.ai/apps/sine-wave-generator

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