Comparison

Tone Generator EM vs Frequency Generator (Sound)

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

Head to head
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.

About

Frequency Generator (Sound)

Generate various sound waves, from sine to triangle, with adjustable frequencies and volumes. Test speakers, tune instruments, or create multi-oscillator soundscapes. Customize your audio experience with a range of settings and themes.

Highlights
  • Generate sine, square, sawtooth, or triangle sound waves
  • Adjust frequency from 1Hz to 22000Hz
  • Control volume and balance (left/right)
  • Multi-oscillator mode for three simultaneous sounds
  • Customizable frequency range slider
  • Low latency audio setting
  • Theme customization
Features
Read full description

Would you like to generate sounds, test your speakers or tune your instruments? If the answers is yes, download Frequency Genrator! Using this application you can generate sound waves in different frequencies. The player lets you generate a sine, square, sawtooth or triangle sound wave with a frequency between 1Hz and 22000Hz (hertz). Single Oscillator Mode Frequency Sound Generator allows you to easily change the soundwaves from the main menu. Simply tap on the sound wave icon and pick between sine, square, sawtooth or triangle. Adjust the sound generating frequency easily by dragging the dot. Make use of the - & + buttons for added adjusting precision. Change volume and balance. Tap on the R-L icon. Multi Oscillator Mode In this mode you can generate in one time three sounds. Set different freqencies, waves and volume. Theme Change the colour of your application. Settings in Frequency Genarator: - change frequency range slider range to allow you more precision while selecting frequencies, - enable or disable run in background option, - choose between two slider scales: linear or logarithmic, - enable or disable volume booster, - enable or disable decimal precision up two decimals in case of need for more precise sound generation, - change +/- button step for even easier adjustments, - enable or disable show octave buttons in Single Oscillator - low latency setting enables high-performance low latency audio which makes slider more responsive and eliminates lag. (NOTE: Low latency setting may result in high frequencies on some devices sound inaccurate, especially on higher volume.) Attention! Please, for the best experience of using the app, use a pair of good quality headphones. Mobile devices are not high-quality audio sources.

Screenshots

Tone Generator EM4 screens
Frequency Generator (Sound)4 screens

Verdict

The call

The clearest difference is review sentiment: Frequency Generator (Sound) at 50% against Tone Generator EM's 0%. Tone Generator EM's advantage is rating (4.4 vs 3.2) and ratings volume (36 vs 6). On price, update cadence, ads and in-app purchases 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. Tone Generator EM sells 1 one-off in-app purchase and Frequency Generator (Sound) sells 1 in-app purchase, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Tone Generator EM holds the better App Store score, 4.4 against 3.2. That said, the two scores are not equally well evidenced: Tone Generator EM has 36 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 0% of Tone Generator EM's written reviews are positive against 50% of Frequency Generator (Sound)'s, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Tone Generator EM ships an update every 2 months, Frequency Generator (Sound) every 3 months. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

Scorecard3 real differences · 7 level
Tone Generator EM versus Frequency Generator (Sound): the parameters behind the verdict, then further details
ParameterTone Generator EMFrequency Generator (Sound)
PriceFreeFree
Rating4.4 (36 ratings) — better3.2 (6 ratings)
Positive reviews0.0% of reviews50.0% of reviews — better
Number of ratings36 — better6
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size6 MB28 MB
Age rating4+4+
DevelopermyrAppsNETIGEN Kluzowicz sp. j.

Customer experience

Tone Generator EM

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

Frequency Generator (Sound)

All ratings6 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

1 purchases

Tone Generator EM

One-time1
  • Premium Lifetime Upgrade$3.99
1 purchases

Frequency Generator (Sound)

Subscriptions1
  • 1 week subscription3 Days trial$0.997 Days

Questions

Is Tone Generator EM free?
Tone Generator EM is free to download, with in-app purchases available.
Is Frequency Generator (Sound) free?
Frequency Generator (Sound) is free to download, with in-app purchases available.
Which has better reviews, Tone Generator EM or Frequency Generator (Sound)?
Tone Generator EM is rated higher. Tone Generator EM averages 4.4 out of 5 from 36 ratings, while Frequency Generator (Sound) averages 3.2 from 6 ratings.
Do Tone Generator EM or Frequency Generator (Sound) have ads?
Both Tone Generator EM and Frequency Generator (Sound) show ads.
Which is updated more often, Tone Generator EM or Frequency Generator (Sound)?
Tone Generator EM ships an update every 2 months, and Frequency Generator (Sound) every 3 months. Most recently, Tone Generator EM was updated on October 27, 2026 and Frequency Generator (Sound) on October 21, 2026.

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