Comparison

Tone generator vs Tuning Fork Pro 20

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

Head to head
About

Tone generator

Create various periodic signals with adjustable frequency and amplitude for testing electronic circuits or tuning instruments. Features include a metronome, a real-time tuner, and options for generating different noise types and tone sequences. It also offers unique features for hearing tests and party games.

Highlights
  • Generate periodic signals
  • Adjustable frequency and amplitude
  • Integrated instrument tuner
  • Metronome for practice
  • Hearing ability tests
  • Generate white/pink noise
  • Create tone sequences
Features
Read full description

Generate various periodic signals with different waveforms with adjustable frequency and amplitude. These are used to test electronic circuits such as amplifiers and filters. Also suitable for musicians to tune their instruments. As soon as a note sounds, the integrated tuner recognizes the pitch and displays the note name and deviation. For any instrument that produces an even tone. A metronome also helps you to practise. Drive insects away or compare your hearing ability with your friends and relatives and share your results! Or watch others straining their ears to find the sounds that cannot locate you. Party fun is guaranteed! optional features (Purchase): - free of Ads - manual frequency input - support app functionality for connected Bluetooth devices, e.g. speaker - different signals - white/pink noise - tuner for tuning instruments (real-time tone recognition C1-C8) with tuning whistle - metronome for a steady tempo - note/tone for frequency - Left/right channel, stereo - create a tone sequence for playing several different frequencies in particular time slot - loop for tone sequence - save and delete tone sequences - load saved tone sequences - send your tone sequence as an audio file (.caf format) - option to compress audio files Attention: If you want to share your results with others, first test your audible frequencies, then mark under the speakers your lowest audible tone and your highest audible tone (stored only temporarily). A small hint: the chart will show you what other frequencies of your age are still possible to reach.

About

Tuning Fork Pro 20

This utility app provides a simple and straightforward tuning fork. It allows users to generate any frequency between 20 Hz and 20,000 Hz, limited only by the device's speaker and human hearing.

Highlights
  • Adjustable frequency range (20 Hz - 20,000 Hz)
  • Simple and easy to use interface
  • Generates audio tones
  • No complex settings
Features
Read full description

Tuning Fork. Do you need quick and easy to use tuning fork? No problem, here it is. Set any frequency between 20 Hz and 20,000 Hz (hearing range limited by phone speaker as well as by human ear capabilities). No fuss tunig fork. Does what it says on the tin.

Screenshots

Tone generator4 screens
Tuning Fork Pro 204 screens

Verdict

The call

The clearest difference is rating: Tone generator at 4.0 against Tuning Fork Pro 20's 3.0. Tone generator also leads on ratings volume (152 vs 2). Tuning Fork Pro 20's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, 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

Both are free to download. Tone generator sells 3 one-off in-app purchases. Tuning Fork Pro 20 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Tone generator holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Tone generator has 152 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Tone generator ships an update every 5 months, Tuning Fork Pro 20 weekly. The most recent releases landed on September 28, 2026 and September 5, 2026 respectively.

Scorecard6 real differences · 4 level
Tone generator versus Tuning Fork Pro 20: the parameters behind the verdict, then further details
ParameterTone generatorTuning Fork Pro 20
PriceFreeFree
Rating4.0 (152 ratings) — better3.0 (2 ratings)
Positive reviews67.1% of reviews—
Number of ratings152 — better2
Update frequencyEvery 5 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size27 MB6 MB
Age rating4+4+
Developermichael heinzKrzysztof Gwiazda

Customer experience

Tone generator

All ratings152 ratings
Positive75.7%
Neutral4.6%
Negative19.7%
Written reviews237 reviews
Positive67.1%
Neutral3.8%
Negative29.1%

Tuning Fork Pro 20

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

Tone generator

Reported bugs

10 issues
  • Doesn't go lower than 10hz
  • Crashes before I can export even though I paid for the feature
  • Fake app. Buying the upgrade doesn't do anything. There is no support. You can't export like it says you can. It's a scam.
  • app is modified
  • No tone
Show 5 more
  • Frozen on my iPad
  • Doesn't produce any sound
  • No sound
  • Faulty
  • No sound

Requested features

7 requests
  • Wish I had a manual that explains a couple functions
  • More precise way to select the frequency
  • Playing of multiple tomes
  • Manually enter a frequency
  • More than one voice
Show 2 more
  • Dark mode option
  • Advanced analytics dashboard

Tuning Fork Pro 20

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Tone generator

One-time3
  • Extra-Feature 1$1.99
  • No advertising$1.99
  • Upgrade to full version$3.99
None

Tuning Fork Pro 20

No in-app purchases

Questions

Is Tone generator free?
Tone generator is free to download, with in-app purchases available.
Is Tuning Fork Pro 20 free?
Tuning Fork Pro 20 is free to download, with no in-app purchases.
Which has better reviews, Tone generator or Tuning Fork Pro 20?
Tone generator is rated higher. Tone generator averages 4.0 out of 5 from 152 ratings, while Tuning Fork Pro 20 averages 3.0 from 2 ratings.
Do Tone generator or Tuning Fork Pro 20 have ads?
Tone generator shows ads; Tuning Fork Pro 20 does not.
Which is updated more often, Tone generator or Tuning Fork Pro 20?
Tone generator ships an update every 5 months, and Tuning Fork Pro 20 weekly. Most recently, Tone generator was updated on September 28, 2026 and Tuning Fork Pro 20 on September 5, 2026.

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