Comparison

Audio Function Generator vs Frequency Generator (Ape Apps)

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

Frequency Generator (Ape Apps)

Generate various audio waveforms like sine, square, sawtooth, and triangle waves. Adjust frequencies from 50Hz to 16000Hz, set custom timers, or tune to musical notes for diverse applications.

Highlights
  • Sine, square, sawtooth, triangle wave generation
  • Frequency range 50Hz - 16000Hz
  • Custom frequency setting
  • Timer functionality
  • Musical note tuning
Features
Read full description

Make sure your device audio is turned on before use (not in vibrate mode)! This frequency generator allows you to generate sine, square, sawtooth, or triangle waves in the 50HZ to 16000 HZ range. The app is easy to use. It can probably be used for multiple purposes, such as dog whistle, noise maker, tinnitus relief, relaxation or meditation, or just annoying your friends. You can set a custom frequency, set a timer, or even tune to a musical note. Let me know what extra features you would like to see added!

Screenshots

Audio Function Generator4 screens
Frequency Generator (Ape Apps)3 screens

Verdict

The call

The clearest difference is review sentiment: Audio Function Generator at 77% against Frequency Generator (Ape Apps)'s 0%. Audio Function Generator also leads on rating (4.7 vs 3.0) and ads (none vs shown). On price, in-app purchases, monetization model 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 and Frequency Generator (Ape Apps) sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Audio Function Generator holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 2, 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 0% of Frequency Generator (Ape Apps)'s.

UpkeepUpdate frequency

Audio Function Generator ships an update every 6 weeks, Frequency Generator (Ape Apps) every 5 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

Scorecard6 real differences · 4 level
Audio Function Generator versus Frequency Generator (Ape Apps): the parameters behind the verdict, then further details
ParameterAudio Function GeneratorFrequency Generator (Ape Apps)
PriceFreeFree
Rating4.7 (2.2K ratings) — better3.0 (2 ratings)
Positive reviews77.1% of reviews — better0.0% of reviews
Number of ratings2.2K — better2
Update frequencyEvery 6 weeks — betterEvery 5 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.5 — better18.0
Further details — not scored
Size14 MB9 MB
Age rating4+4+
DeveloperThomas GruberBrandon Stecklein

Customer experience

Audio Function Generator

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

Frequency Generator (Ape Apps)

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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)

Frequency Generator (Ape Apps)

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Audio Function Generator

One-time1
  • Upgrade to PRO$9.99
1 purchases

Frequency Generator (Ape Apps)

One-time1
  • Frequency Generator Premium$2.99

Questions

Is Audio Function Generator free?
Audio Function Generator is free to download, with in-app purchases available.
Is Frequency Generator (Ape Apps) free?
Frequency Generator (Ape Apps) is free to download, with in-app purchases available.
Which has better reviews, Audio Function Generator or Frequency Generator (Ape Apps)?
Audio Function Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Frequency Generator (Ape Apps) averages 3.0 from 2 ratings.
Do Audio Function Generator or Frequency Generator (Ape Apps) have ads?
Frequency Generator (Ape Apps) shows ads; Audio Function Generator does not.
Which is updated more often, Audio Function Generator or Frequency Generator (Ape Apps)?
Audio Function Generator ships an update every 6 weeks, and Frequency Generator (Ape Apps) every 5 months. Most recently, Audio Function Generator was updated on October 13, 2026 and Frequency Generator (Ape Apps) on October 3, 2026.

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