MultiTone Generator

MultiTone Generator

Frequency and Signal Generator

355 ratings
35 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • October 13, 2016
  • April 10, 2026

Features

MultiTone Generator screenshot #1 for iPhone
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MultiTone Generator screenshot #5 for iPhone
MultiTone Generator screenshot #6 for iPhone
MultiTone Generator screenshot #7 for iPhone
iphone
ipad
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About

Generate a wide range of audio test tones, including sine, rectangular, triangular, and sawtooth waves. Explore frequency sweeps, noise generation, and customizable settings. Upgrade for advanced features like creating multiple tone combinations and extended frequency ranges.

Generate sine, rectangular, triangular, and sawtooth waves
Play frequency sweep test tones
Sweep repeat/wobble function
Play white and pink noise
Customizable frequency and sweep time ranges
Create up to 16 tone combinations (PRO)
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What users say

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What's New in MultiTone Generator

4.4.1

April 10, 2026

Support for text entry of saved sequences

Subscription plans

MultiTone PRO+ for one year

Update to PRO+ for the duration of one year

$14.991 Year
How to cancel MultiTone Generator subscription ⁉️
4

In-App Purchases

$9.99

MultiTone PRO Lifetime Access

Upgrade to PRO

User reviews

UI UPDATE

I’m loving the new UI update & sleek feel of everything. The app feels more alive like this. I’ve been an avid user for a while now & love the app, but a good UI update is so refreshing to have & makes me excited to continue using the app.

Tinnitus simulator

That’s right; subject to tinnitus for twenty-three years. Using your tone generator to simulate my high-pitched tonal tinnitus for those who have no idea what tinnitus figuratively sounds like. It’s close enough to convey the sensation. Kind of the equivalent of fingernails on a chalkboard.

Good but could be great!

I use this app quite a lot for frequency healing work, etc. I find Di very useful and feature rich BUT - I struggle to read the names/ titles of frequencies when using on my iPhone. It would be a great advantage to be able to give frequencies custom names that may be entered in BOLD! Also along the same lines it would be really helpful to be able to change the order of the frequency list!
All that said it’s a very worthwhile app.
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Great tool but unpredictable and unreliable.

I used to love this app until time went by, and more and more features were removed and became only available to paid users as updates were made. Of course they never mention that in the new versions/releases before you download them. Pretty deceiving and unfair to the original users.

Left and right speaker switches do not work!

The left and right channel switches do not work. When I set a frequency to play on the left speaker it plays through both. When I set a frequency to play on the right it still plays left and right. I paid for the pro version of this app and I would expect that to work. Just needs a fix and I can give the app the positive review it would deserve.
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Response from developer

Hello! Could you please check in the systems settings of your iPhone/iPad that Mono Audio has not been switched on by accident? If Mono Audio is enabled, left and right channel switching does not work. With the default stereo audio, left and right channel switching does work well on my end. You can also write an Email to me directly to tom@ee-toolkit.com. Best, -tom

Developer apps

User experience

🐞

Reported Bugs

4 issues

Left and right speaker switches do not work

Bug

App drains battery when in background

Bug

Amplitude difficult to adjust on iPhones

Bug

High battery consumption after iOS 11 upgrade

Bug

Requested Features

11 requests

Custom frequency names (bold)

Feature

Reorder frequency list

Feature

Display saved preset names at top

Feature

Sweeping duration less than 0.1s

Feature

Create and save multiple tracks

Feature

More frequency rows to add

Feature

Create and name groupings of frequencies

Feature

Summation of multiple waves in a single waveform

Feature

Logarithmic frequency selection

Feature

Auto-stop tones after X seconds

Feature

Tones auto-stop on app minimize

Feature

FAQ

What does the MultiTone Generator app do?

This app functions as a versatile audio frequency and signal generator. It allows users to create various test tones, including sine, rectangular, triangular, and sawtooth waves, as well as white and pink noise. It also supports frequency sweeps and customizable ranges.

What are the key features of the MultiTone Generator?

Key features include the ability to play different waveform test tones, perform frequency sweeps in both directions, utilize a sweep repeat/wobble function, and generate white and pink noise. Users can also customize frequency and sweep time ranges. The PRO version unlocks advanced features like creating multiple tone combinations.

Is the MultiTone Generator app free to use?

The app is free to download and use with its core functionalities. However, certain advanced features, such as extending the frequency range, increasing sweep times, and creating up to 16 tone combinations, require an upgrade to the PRO version through in-app purchases.

What is the frequency range and sweep time supported?

The free version offers a standard frequency range and sweep time. Upgrading to PRO extends the frequency range from 1Hz to 21kHz and allows for sweep times from 1 second to 600 seconds, providing greater flexibility for testing.

Who would benefit from using the MultiTone Generator?

This app is ideal for musicians, audio engineers, sound designers, and anyone involved in audio production or testing. It's useful for calibrating equipment, testing speaker responses, creating sound effects, or experimenting with audio frequencies.