Tone generator

michael heinz · Utilities

4.0 154 ratings Free

Independent analytics for this App Store listing. AppTracker is not affiliated with michael heinz.

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Sep 14, 2026
Rating ★ 4.02 → 4.03
Aug 29, 2026
Rating ★ 4.01 → 4.02

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront. A field is charted once it has changed more than once, and each line starts at the value it moved from.

Average rating history over the observed period. 3.95 4.00 4.05 4.10 Aug 26 Sep 8 Sep 20 Oct 2 Oct 15

Average rating · ★ 4.03 now · 2 changes on record

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 61% 94
4★ 15% 23
3★ 5% 7
2★ 5% 7
1★ 15% 23

In-app purchases · US

What this app sells inside itself, grouped by kind and priced for this storefront.

One-time purchases
Extra-Feature 1 $1.99
No advertising $1.99
Upgrade to full version 
 $3.99

Screenshots

About

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.

What's new · 2.4

- support app functionality for connected Bluetooth devices, e.g. speaker - intern changes

Details

Developermichael heinz
ReleasedAug 2011
UpdatedDec 2023
Version2.4
Size28.4 MB
RequiresiOS 12.0 or later
Age rating4+
LanguagesChinese, English, French, German, Italian, Japanese, Korean, Russian, Spanish
PriceFree
Categories UtilitiesMedical
Bundle IDde.heinz.ToneGenerator