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SignalProof: Tone Generator

SignalProof: Tone Generator

Speaker, Room & Meter Checks

1 ratings
🔧 Utilities
🎵 Music
Free
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Details

  • Released
  • Updated
  • July 5, 2026
  • July 24, 2026

Features

Developer

Borealbit Technology Limited
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About

Generate controlled audio signals for repeatable speaker, room, and sound meter checks. Save setups and results for easy comparison. Ideal for practical audio testing without ads or accounts.

✓Sine tones and noise generation
✓Frequency sweeps
✓Left, right, or stereo output
✓dBFS level control
✓Save test sessions and presets
✓Export PDF reports
✓Local-first design, no account needed
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What's New in SignalProof

1.0.2

July 24, 2026

SignalProof Pro is now available as an optional one-time lifetime unlock. It adds four advanced guided workflows, configurable burst and intermittent playback, and unlimited custom presets. The core tone, noise, and sweep generator remains free, with no subscription. This update also improves playback startup and background handling, and makes duration controls more consistent with one-second precision.

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FAQ

What types of audio signals can SignalProof generate?

SignalProof can generate 1 kHz and custom sine tones, pink, white, and brown noise, and linear and logarithmic frequency sweeps. It also supports left, right, or stereo output with conservative dBFS level control.

How does SignalProof help with practical audio checks?

It allows you to compare speaker channels with pink noise, run quick sound meter sanity checks, find room resonances with sweeps, and repeat isolation checks. You can also save test-session notes and reference readings.

Is SignalProof free to use?

Yes, SignalProof is free to download and use. The free experience includes the core tone, noise, and sweep generator, starter workflows, and one custom preset. An optional one-time purchase unlocks advanced features.

What does the SignalProof Pro upgrade include?

The optional SignalProof Pro purchase is a lifetime unlock that includes four advanced guided workflows, burst and intermittent playback patterns with configurable timing, and unlimited custom presets. The price is displayed in the app.

Does SignalProof have ads?

No, SignalProof is designed to be ad-free. It also does not include analytics SDK, cloud sync, or require an account, keeping your data local to your device.

Can I export my test results from SignalProof?

Yes, SignalProof allows you to export a local PDF report for follow-up. You can also save your test-session notes and reference readings directly within the app.

What devices is SignalProof compatible with?

SignalProof is currently supported on iPhone. It generates digital audio signals, but the actual acoustic output depends on your device, speaker hardware, and room conditions.

How often is SignalProof updated?

The latest version of SignalProof is 1.0.2, which was last updated on July 24, 2026. The app is developed by Borealbit Technology Limited.