Comparison

Multiple Tone Generator vs Tone Generator EM

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Multiple Tone Generator

Generate multiple audio signals with adjustable waveforms, frequencies, and volumes for each channel. Offers presets for guitar and bass tuning, with options to expand channel support.

Highlights
  • Multiple audio channels
  • Adjustable waveforms (Sine, Triangle, Squire, Saw)
  • Precise frequency control (20Hz - 20000Hz)
  • Individual channel volume and mute
  • Logarithmic frequency sliders
  • Guitar and bass tuning presets
Read full description

This app generates the audio signal of multiple channels. Supports 6 audio channels by default, upgradeable to 16 via in-app purchase. [ Wave type ] - There are four types of waveform. (Sine, Triangle, Squire, Saw) - It can switch to the four types of each waveform by the wave type button. - It can be set for each channel. - It can change summarizes the waveforms of all channels with the bottom of the button. [ Volume ] - It can adjust the volume of each channel (Input) and change the mixer (Output) of all channels by the volume slider. - It can be set OFF / ON the volume of each channel by mute button. [ Frequency ] - It can set the value of the frequency in 20Hz - 20000Hz. - It can set the frequency value in the software keyboard by tapping the frequency label. - It can set the frequency value at the corresponding slider to the logarithm. - It can set the frequency value of -1 / + 1 octave from the current value by -1/+1 Octave button. - It can adjust the frequency value slightly from the current value by -/+ button. [ Preset ] - It can set the frequency value of Guitar (E A D G B E), 6-string bass (B E A D G C) for Ch 1 ~ 6. Guitar : Ch 1: E ( 82.4 Hz) Ch 2: A (110.0 Hz) Ch 3: D (146.8 Hz) Ch 4: G (196.0 Hz) Ch 5: B (246.9 Hz) Ch 6: E (329.6 Hz) 6-string bass (+ 1 octave) : Ch 1: B ( 61.7 Hz) Ch 2: E ( 82.4 Hz) Ch 3: A (110.0 Hz) Ch 4: D (146.8 Hz) Ch 5: G (196.0 Hz) Ch 6: C (262.0 Hz)

About

Tone Generator EM

Generate sounds across a wide frequency range to test hearing, tune instruments, or experiment with audio. Easily select frequencies with a slider, adjust volume, and play tones.

Highlights
  • Generate sounds from 1Hz to 22kHz
  • Test hearing and audio equipment
  • Tune musical instruments
  • Intuitive frequency slider
  • Adjust volume
  • Note list with corresponding frequencies
Features
Read full description

Tone Generator is a free frequency sound generator app that allows you to generate sounds in different frequencies from the lowest to the highest ranges, from 1Hz to 22kHz. Using this free frequency generator app, you can test your hearing, test audio equipment, tune different instruments, perform audio experiments, and much more. Download Tone Generator for free on your device, utilize the slider to choose the specific frequency, adjust the volume, and hit the Play button. Tone Generator main features: • Clean and neat design with a fresh and intuitive interface • Advanced yet easy-to-use frequency generator app • Change frequency slider range from the lowest to the highest • Pick up a note from the note list with corresponding frequency • Adjust audio frequency and device’s volume So, if you are a musician and are looking for a free frequency sound generator to tune musical instruments and test audio equipment, you’ve come to the right place. This free tone generator app has got you covered when it comes to testing your hearing. Stay tuned and let us know about any bugs, questions, feature requests, or any other suggestions.

Screenshots

Multiple Tone Generator4 screens
Tone Generator EM4 screens

Verdict

The call

The clearest difference is review sentiment: Multiple Tone Generator at 88% against Tone Generator EM's 0%. Multiple Tone Generator also leads on rating (4.8 vs 4.4). Tone Generator EM's advantage is iOS requirement (13.0 vs 16.0). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Multiple Tone Generator sells 2 one-off in-app purchases and Tone Generator EM sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Multiple Tone Generator holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 65 and 36 respectively. Written reviews point the same way: 88% of Multiple Tone Generator's written reviews are positive against 0% of Tone Generator EM's.

UpkeepUpdate frequency

Multiple Tone Generator ships an update every 3 months, Tone Generator EM every 2 months. The most recent releases landed on September 23, 2026 and August 25, 2026 respectively.

Scorecard3 real differences · 7 level
Multiple Tone Generator versus Tone Generator EM: the parameters behind the verdict, then further details
ParameterMultiple Tone GeneratorTone Generator EM
PriceFreeFree
Rating4.8 (65 ratings) — better4.4 (36 ratings)
Positive reviews87.5% of reviews — better0.0% of reviews
Number of ratings65 — better36
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size4 MB6 MB
Age rating4+4+
DeveloperLoop-Sessions.LLC.myrApps

Customer experience

Multiple Tone Generator

All ratings65 ratings
Positive92.3%
Neutral4.6%
Negative3.1%
Written reviews16 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

Tone Generator EM

All ratings36 ratings
Positive86.1%
Neutral2.8%
Negative11.1%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

2 purchases

Multiple Tone Generator

One-time2
  • Increase channels from 6 to 16$1.99
  • Always remove banner ads.$4.99
1 purchases

Tone Generator EM

One-time1
  • Premium Lifetime Upgrade$3.99

Questions

Is Multiple Tone Generator free?
Multiple Tone Generator is free to download, with in-app purchases available.
Is Tone Generator EM free?
Tone Generator EM is free to download, with in-app purchases available.
Which has better reviews, Multiple Tone Generator or Tone Generator EM?
Multiple Tone Generator is rated higher. Multiple Tone Generator averages 4.8 out of 5 from 65 ratings, while Tone Generator EM averages 4.4 from 36 ratings.
Do Multiple Tone Generator or Tone Generator EM have ads?
Both Multiple Tone Generator and Tone Generator EM show ads.
Which is updated more often, Multiple Tone Generator or Tone Generator EM?
Multiple Tone Generator ships an update every 3 months, and Tone Generator EM every 2 months. Most recently, Multiple Tone Generator was updated on September 23, 2026 and Tone Generator EM on August 25, 2026.

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