Comparison

Audio Function Generator vs Frequency 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

Frequency Generator

This app generates pure tones and binaural beats for focus, relaxation, or sleep. It also functions as a real-time sound analyzer, identifying musical notes and visualizing sound levels. Save and reuse your favorite settings with a clean, intuitive interface.

Highlights
  • Generate pure tones (1 Hz - 20,000 Hz)
  • Create custom binaural beats
  • Real-time sound frequency detection
  • Identify musical notes
  • Visualize sound levels
  • Save and reuse presets
Features
Read full description

Waves — A modern frequency generator, binaural beats creator, and real-time sound analyzer. Whether you’re tuning instruments, experimenting with tones, or exploring sound frequencies for focus and relaxation, Waves gives you precise control with a clean, immersive interface. Generate Pure Frequencies Create accurate tones from 1 Hz to 20,000 Hz * Sine, Square, and Triangle waveforms * Smooth real-time adjustments * High-quality audio output Binaural Beats Design custom binaural frequencies for different states: * Focus & concentration * Relaxation & calm * Sleep & deep rest Fine-tune left/right channels and beat differences with precision. Real-Time Frequency Detection Turn your device into a sound analyzer: * Detect live frequencies via microphone * Identify musical notes instantly * Visualize sound levels and signal intensity Save & Reuse Presets * Save your favorite tones and beats * Quickly access and organize presets * Mark favorites for easy access Designed for Simplicity * Minimal, distraction-free interface * Smooth animations and modern visuals * Built with performance and precision in mind Perfect for: * Musicians & producers * Sound engineers * Students & learners * Meditation & focus enthusiasts * Anyone curious about sound Waves turns your device into a powerful sound tool — simple, precise, and beautifully designed. Privacy Policy: https://frequencymetrics.com/privacy.html Terms & Conditions: https://frequencymetrics.com/terms.html

Screenshots

Audio Function Generator4 screens
Frequency Generator4 screens

Verdict

The call

The clearest difference is in-app purchases: Frequency Generator at none against Audio Function Generator's 1. Frequency Generator also leads on update cadence (every 6 days vs every 6 weeks) and rating (5.0 vs 4.7). Audio Function Generator's advantage is ratings volume (2.2K vs 2). On price, ads, 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. Audio Function Generator sells 1 one-off in-app purchase. Frequency Generator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Frequency Generator holds the better App Store score, 5.0 against 4.7. 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.

UpkeepUpdate frequency

Audio Function Generator ships an update every 6 weeks, Frequency Generator every 6 days. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

Scorecard5 real differences · 5 level
Audio Function Generator versus Frequency Generator: the parameters behind the verdict, then further details
ParameterAudio Function GeneratorFrequency Generator
PriceFreeFree
Rating4.7 (2.2K ratings)5.0 (2 ratings) — better
Positive reviews77.2% of reviews—
Number of ratings2.2K — better2
Update frequencyEvery 6 weeksEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size13 MB23 MB
Age rating4+4+
DeveloperThomas GruberDejan Atanasov

Customer experience

Audio Function Generator

All ratings2,211 ratings
Positive91.9%
Neutral3.1%
Negative5.0%
Written reviews272 reviews
Positive77.2%
Neutral6.3%
Negative16.5%

Frequency Generator

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

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

Frequency Generator

No in-app purchases

Questions

Is Audio Function Generator free?
Audio Function Generator is free to download, with in-app purchases available.
Is Frequency Generator free?
Frequency Generator is free to download, with no in-app purchases.
Which has better reviews, Audio Function Generator or Frequency Generator?
Frequency Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Frequency Generator averages 5.0 from 2 ratings.
Do Audio Function Generator or Frequency Generator have ads?
Neither Audio Function Generator nor Frequency Generator shows ads.
Which is updated more often, Audio Function Generator or Frequency Generator?
Audio Function Generator ships an update every 6 weeks, and Frequency Generator every 6 days. Most recently, Audio Function Generator was updated on October 23, 2026 and Frequency Generator on October 18, 2026.

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