Comparison

Multiple Tone Generator vs Db Meter Pro for Watch

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

Db Meter Pro for Watch

Features
Read full description

Db Meter Pro delivers instant sound level measurements right to your Apple Watch, empowering you to monitor your audio environment with unparalleled convenience. Whether you're concerned about noise exposure, curious about ambient sound, or simply want to stay informed about your surroundings, Db Meter Pro provides accessible decibel readings directly from your wrist. Designed for simplicity and quick insights, this essential watchOS app transforms your Apple Watch into a powerful yet discreet sound level meter. Keep track of noise levels in various settings, from busy city streets to quiet offices, and make informed decisions to protect your hearing and enhance your well-being. Key Features: * **Real-time Decibel Readings:** Get immediate feedback on current sound levels. * **Wrist-Mounted Convenience:** Access your sound meter anytime, anywhere on your Apple Watch. * **Intuitive Display:** Easily understand your audio environment at a glance. * **Environmental Awareness:** Monitor noise to support hearing health and peace of mind. Experience a new level of environmental awareness with Db Meter Pro – your personal sound level monitor for Apple Watch.

Screenshots

Multiple Tone Generator4 screens

Verdict

The call

The clearest difference is price: Multiple Tone Generator at Free against Db Meter Pro for Watch's $2.99. Db Meter Pro for Watch's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement 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

Multiple Tone Generator is free to download; Db Meter Pro for Watch costs $2.99 up front. Multiple Tone Generator sells 2 one-off in-app purchases. Db Meter Pro for Watch asks for nothing beyond the download.

UpkeepUpdate frequency

Multiple Tone Generator ships an update every 3 months, Db Meter Pro for Watch every 5 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Multiple Tone Generator versus Db Meter Pro for Watch: the parameters behind the verdict, then further details
ParameterMultiple Tone GeneratorDb Meter Pro for Watch
PriceFree — better$2.99
Rating4.8 (68 ratings) — better—
Positive reviews87.5% of reviews—
Number of ratings68 — better—
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS17.017.0
Further details — not scored
Size5 MB2 MB
Age rating4+4+
DeveloperLoop-Sessions.LLC.Simone Saleri

In-app purchases

2 purchases

Multiple Tone Generator

One-time2
  • Increase channels from 6 to 16$1.99
  • Always remove banner ads.$4.99
None

Db Meter Pro for Watch

No in-app purchases

Questions

Is Multiple Tone Generator free?
Multiple Tone Generator is free to download, with in-app purchases available.
Is Db Meter Pro for Watch free?
Db Meter Pro for Watch costs $2.99, with no in-app purchases.
Do Multiple Tone Generator or Db Meter Pro for Watch have ads?
Multiple Tone Generator shows ads; Db Meter Pro for Watch does not.
Which is updated more often, Multiple Tone Generator or Db Meter Pro for Watch?
Multiple Tone Generator ships an update every 3 months, and Db Meter Pro for Watch every 5 weeks. Most recently, Multiple Tone Generator was updated on November 1, 2026 and Db Meter Pro for Watch on October 24, 2026.

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