Comparison

Audio Function Generator PRO vs MultiTone Generator PRO

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 PRO

Generate various audio test tones, including sine, square, and sawtooth waves. Explore frequency and volume sweeps, custom presets, and different types of noise. Advanced settings allow for fine-tuning signal parameters and creating complex multi-tone sequences.

Highlights
  • Generate sine, square, triangular, and sawtooth tones
  • Frequency and volume sweep generation
  • Customizable presets and configurations
  • Multiple noise types (White, Pink, Violet, etc.)
  • Advanced signal parameter control
  • Multi-tone and dual function generation
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! AND THESE ARE THE ADVANCED SETTINGS/FEATURES: => 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 new Tutorial page: www.ee-toolkit.com/audio-function-generator

About

MultiTone Generator PRO

Generate and combine up to 16 different audio tones, including sine, rectangular, triangular, and sawtooth waves. Create frequency sweeps in both directions and play white or pink noise. This intuitive tool offers customizable ranges and sweep times for various audio testing needs.

Highlights
  • Create up to 16 tone combinations
  • Play sine, rectangular, triangular, and sawtooth waves
  • Generate frequency sweeps (min-max and max-min)
  • Sweep repeat/wobble function
  • Play white and pink noise
  • Customizable frequency and sweep time ranges
Features
Currently charting
Read full description

This is the all-new MultiTone Generator! An amazingly flexible and powerful frequency generator! Works with Audiobus and Audiobus Remote! CREATE up to 16 tone combinations. Play them individually or combined. 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). Use the SWEEP REPEAT / WOBBLE function. Play back white and pink NOISE. Fully CUSTOMIZABLE Frequency Min-Max ranges and Sweep time range. The MultiTone Generator is AMAZINGLY INTUITIVE and SIMPLE!

Screenshots

Audio Function Generator PRO4 screens
MultiTone Generator PRO4 screens

Verdict

The call

The clearest difference is monetization model: Audio Function Generator PRO at free against MultiTone Generator PRO's paid. MultiTone Generator PRO's advantage is chart position (#196 vs unranked). On price, rating, review sentiment and ratings volume 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

Audio Function Generator PRO costs $9.99 and MultiTone Generator PRO $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Audio Function Generator PRO against 4.9 for MultiTone Generator PRO. Both are backed by a comparable volume of ratings — 269 and 99 respectively. Written reviews are what separate them: 88% of Audio Function Generator PRO's written reviews are positive against 83% of MultiTone Generator PRO's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 9 level
Audio Function Generator PRO versus MultiTone Generator PRO: the parameters behind the verdict, then further details
ParameterAudio Function Generator PROMultiTone Generator PRO
Price$9.99$9.99
Rating4.8 (269 ratings)4.9 (99 ratings) — better
Positive reviews87.9% of reviews — better83.3% of reviews
Number of ratings269 — better99
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank—#196 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.515.5
Further details — not scored
Size13 MB9 MB
Age rating4+4+
DeveloperThomas GruberThomas Gruber

Customer experience

Audio Function Generator PRO

All ratings269 ratings
Positive94.8%
Neutral2.6%
Negative2.6%
Written reviews58 reviews
Positive87.9%
Neutral5.2%
Negative6.9%

MultiTone Generator PRO

All ratings99 ratings
Positive98.0%
Neutral1.0%
Negative1.0%
Written reviews12 reviews
Positive83.3%
Neutral16.7%
Negative0.0%

Bugs and requests

Audio Function Generator PRO

Reported bugs

6 issues
  • Volume button issues (jumps up and down, displays wrong level)
  • Update crashes on iPad Air2 when changing screens
  • App opens AppStore repeatedly after purchase
  • Buttons don't respond, settings don't keep
  • Frequencies stick, program is useless
Show 1 more
  • App stops too much

Requested features

19 requests
  • Logarithmic sweeps and frequency slider scale
  • PWM functionality
  • Terzrauschen (third-octave noise)
  • Ping-pong sweeps in Multitone windows
  • Sweeping of noise/adding noise in Multitone sweep with sweeping bandpass filter
Show 14 more
  • Audio plugin (AU, AAX, VST)
  • Responsiveness for MacBook use
  • Simultaneous recording of generated signals
  • Panning function for tones and sweeps
  • Ability to save Multitone configurations
  • Phase shift functionality
  • Higher frequency range (up to 24kHz)
  • Dual mode sweep function
  • Taper function
  • Extended time for sweeps (6-8 hours)
  • Ability to stay at selected frequency for several minutes
  • Spectrum analyzer
  • Separate control for left and right channels
  • 8-hour program for sleep entrainment

MultiTone Generator PRO

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Audio Function Generator PRO

No in-app purchases

None

MultiTone Generator PRO

No in-app purchases

Questions

Is Audio Function Generator PRO free?
Audio Function Generator PRO costs $9.99, with no in-app purchases.
Is MultiTone Generator PRO free?
MultiTone Generator PRO costs $9.99, with no in-app purchases.
Which has better reviews, Audio Function Generator PRO or MultiTone Generator PRO?
MultiTone Generator PRO is rated higher. Audio Function Generator PRO averages 4.8 out of 5 from 269 ratings, while MultiTone Generator PRO averages 4.9 from 99 ratings.
Do Audio Function Generator PRO or MultiTone Generator PRO have ads?
Neither Audio Function Generator PRO nor MultiTone Generator PRO shows ads.
Which is updated more often, Audio Function Generator PRO or MultiTone Generator PRO?
Audio Function Generator PRO ships an update every 6 weeks, and MultiTone Generator PRO every 6 weeks. Most recently, Audio Function Generator PRO was updated on September 21, 2026 and MultiTone Generator PRO on September 15, 2026.

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