Comparison

Multiple Tone Generator vs Melody Cool

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

Melody Cool

This music player allows you to play songs from your local library while simultaneously using a built-in musical keyboard. It offers features like A-B repeat and slow playback for focused listening or practice. Note that it does not support DRM-protected files or iCloud items.

Highlights
  • Local music library playback
  • Integrated musical keyboard
  • A-B repeat functionality
  • Slow playback option
  • Play keyboard while listening
Read full description

Melody Cool is a iPod Library player with musical keyboard. It can play tracks in the local Music Library. You can play the keyboard while listening to the song. Player Features: - A-B Repeat : plays a specific section repeatedly by setting the start point (A) and end point (B). - Slow playback of songs. NOTE: - Does not support DRM files. - Does not play iCloud items.

Screenshots

Multiple Tone Generator4 screens
Melody Cool4 screens

Verdict

The call

The clearest difference is review sentiment: Multiple Tone Generator at 88% against Melody Cool's 40%. Multiple Tone Generator also leads on update cadence (every 3 months vs every 6 months). Melody Cool's advantage is ads (none vs shown) and iOS requirement (12.4 vs 17.0). On price, in-app purchases, monetization model and device support 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 Melody Cool sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Multiple Tone Generator ships an update every 3 months, Melody Cool every 6 months. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 6 level
Multiple Tone Generator versus Melody Cool: the parameters behind the verdict, then further details
ParameterMultiple Tone GeneratorMelody Cool
PriceFreeFree
Rating4.8 (66 ratings) — better—
Positive reviews87.5% of reviews — better40.0% of reviews
Number of ratings66 — better—
Update frequencyEvery 3 months — betterEvery 6 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.012.4 — better
Further details — not scored
Size5 MB3 MB
Age rating4+4+
DeveloperLoop-Sessions.LLC.Yuji Koike

Customer experience

Multiple Tone Generator

All ratings66 ratings
Positive92.4%
Neutral4.5%
Negative3.0%
Written reviews16 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

Melody Cool

Written reviews10 reviews
Positive40.0%
Neutral10.0%
Negative50.0%

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

Melody Cool

One-time1
  • Unlimited Playback Time$2.99

Questions

Is Multiple Tone Generator free?
Multiple Tone Generator is free to download, with in-app purchases available.
Is Melody Cool free?
Melody Cool is free to download, with in-app purchases available.
Do Multiple Tone Generator or Melody Cool have ads?
Multiple Tone Generator shows ads; Melody Cool does not.
Which is updated more often, Multiple Tone Generator or Melody Cool?
Multiple Tone Generator ships an update every 3 months, and Melody Cool every 6 months. Most recently, Multiple Tone Generator was updated on October 10, 2026 and Melody Cool on October 11, 2026.

Other comparisons