Comparison

Audio Function Generator vs sine wave generator

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

Head to head
About

Audio Function Generator

Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.

Highlights
  • Generate sine, square, triangle, and sawtooth tones
  • Frequency and volume sweep generation
  • Noise generation (white, pink, violet, etc.)
  • Custom preset creation and saving
  • Extended frequency range (PRO feature)
  • Multi-tone playback (PRO feature)
Features
Read full description

This is the highly recommended and praised Function Generator App - an amazingly great and powerful tone generator. Enriched with a vast amount of features yet it is extremely intuitive and designed for simplicity. Get to know this great App now! It is very well maintained and has received considerable upgrades over the past years. So, … what can you do with this App? • PLAY TEST TONES Sine, Rectangular, Triangular and Sawtooth. • PLAY FREQUENCY SWEEP TEST TONES in both directions (minimum to maximum frequency and maximum to minimum frequency). • PLAY VOLUME SWEEPS (from minimum to maximum volume). • Try the SWEEP REPEAT / WOBBLE function. • Try the MUSIC TONES PLAYBACK. • Experiment with the huge FINE TUNE SELECTON, PRESETS SELECTION! • Or create your own CUSTOM PRESETS! • And SAVE an endless amount of CONFIGURATIONS (Frequency, Sweep, Noise) for later quick access and direct playback function. • Even play back different kinds of NOISE – White, Pink, Violet, Grey, Brown, Blue is also supported. The Function Generator is AMAZINGLY INTUITIVE and SIMPLE to use! AND THESE ARE THE ADVANCED SETTINGS/FEATURES (upgrade to PRO required): => Extending The Frequency Range (1Hz - 21kHz) => Extending The Sweep Times (0.1s - 600s) => Changing Min/Max Slider Frequency Ranges => Changing Max Sweep Time Slider Range => Changing Signal Amplitude => Enabling Of The Sweep Repeat / Wobble Function => Frequency Slider Setting to Linear or Logarithmic => Left/Right Channel Individual Selection => Permanently Saving Custom Presets => Saving Of Endless Number Of Audio Configurations => Phase Out Setting (custom phase shift of the generated signal) => BPM (Beats per Minute) Feature => Dual Function Generator => MultiTone Generator (playback of up to eight individual tones) => Background Theme Selection (Light/Dark) Check out the tutorial page: www.ee-toolkit.com/audio-function-generator

About

sine wave generator

Generate sine waves using touch input, DTMF tones, or custom frequency and volume settings. This utility app offers multiple modes for creating audio signals.

Highlights
  • Touch-based sine wave generation
  • DTMF tone signal creation
  • Custom frequency and volume input
  • Multi-touch support
  • Tone signal generation for phones
Read full description

App this app to generate a sine wave Generation mode is three 1.Touch      Generate a sine wave to calculate the frequency and volume from the position of the touch the screen. get 5 touch events at the same time. 2.DTMF Generating a tone signal to be used by the phone. 3.Multi Generating a tone signal to enter the frequency volume. The default setting is C / E / G.

Screenshots

Audio Function Generator4 screens
sine wave generator3 screens

Verdict

The call

The clearest difference is review sentiment: Audio Function Generator at 77% against sine wave generator's 14%. Audio Function Generator also leads on rating (4.7 vs 4.1) and ads (none vs shown). sine wave generator's advantage is in-app purchases (none vs 1) and update cadence (every 10 days vs every 6 weeks). On price 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. Audio Function Generator sells 1 one-off in-app purchase. sine wave generator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Audio Function Generator holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 34, so its average is the more settled of the two. Written reviews point the same way: 77% of Audio Function Generator's written reviews are positive against 14% of sine wave generator's.

UpkeepUpdate frequency

Audio Function Generator ships an update every 6 weeks, sine wave generator every 10 days. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

Scorecard8 real differences · 2 level
Audio Function Generator versus sine wave generator: the parameters behind the verdict, then further details
ParameterAudio Function Generatorsine wave generator
PriceFreeFree
Rating4.7 (2.2K ratings) — better4.1 (34 ratings)
Positive reviews77.1% of reviews — better14.3% of reviews
Number of ratings2.2K — better34
Update frequencyEvery 6 weeksEvery 10 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.59.0 — better
Further details — not scored
Size14 MB24 MB
Age rating4+4+
DeveloperThomas GruberYuji Yanase

Customer experience

Audio Function Generator

All ratings2,191 ratings
Positive91.8%
Neutral3.1%
Negative5.1%
Written reviews271 reviews
Positive77.1%
Neutral6.3%
Negative16.6%

sine wave generator

All ratings34 ratings
Positive76.5%
Neutral2.9%
Negative20.6%
Written reviews7 reviews
Positive14.3%
Neutral28.6%
Negative57.1%

Bugs and requests

Audio Function Generator

Reported bugs

4 issues
  • Crashes on launch
  • Volume slider issues
  • Airplay not working
  • Sound distortion when display is active

Requested features

6 requests
  • Add download/save feature for custom sounds
  • Improve sweep function (continuous mode, better frequency control)
  • Add more multi-frequency rows
  • Implement 432Hz base frequency option
  • Add phase control for noise generators
Show 1 more
  • Improve accessibility (VoiceOver support)

sine wave generator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Audio Function Generator

One-time1
  • Upgrade to PRO$9.99
None

sine wave generator

No in-app purchases

Questions

Is Audio Function Generator free?
Audio Function Generator is free to download, with in-app purchases available.
Is sine wave generator free?
sine wave generator is free to download, with no in-app purchases.
Which has better reviews, Audio Function Generator or sine wave generator?
Audio Function Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while sine wave generator averages 4.1 from 34 ratings.
Do Audio Function Generator or sine wave generator have ads?
sine wave generator shows ads; Audio Function Generator does not.
Which is updated more often, Audio Function Generator or sine wave generator?
Audio Function Generator ships an update every 6 weeks, and sine wave generator every 10 days. Most recently, Audio Function Generator was updated on September 24, 2026 and sine wave generator on September 17, 2026.

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