Audio Function Generator PRO vs MultiTone Generator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
MultiTone Generator
Generate a wide range of audio test tones, including sine, rectangular, triangular, and sawtooth waves. Explore frequency sweeps, noise generation, and customizable settings. Upgrade for advanced features like creating multiple tone combinations and extended frequency ranges.
- Generate sine, rectangular, triangular, and sawtooth waves
- Play frequency sweep test tones
- Sweep repeat/wobble function
- Play white and pink noise
- Customizable frequency and sweep time ranges
- Create up to 16 tone combinations (PRO)
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This is the all-new MultiTone Generator! An amazingly flexible and powerful frequency generator! Works with Audiobus and Audiobus Remote! Upgrade to PRO and 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! ADVANCED SETTINGS/FEATURES (upgrade to PRO required): => Extending the frequency range (1Hz - 21kHz) => Extending the sweep times (1s - 600s) => Create up to 16 tone combinations => Changing maximum Sweep time slider range => Frequency slider setting to linear or logarithmic => Full support for the sequence playback menu => Full support for the remote play menu => Save/Load all configurations By using this app, you agree to Apple’s Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: MultiTone Generator at Free against Audio Function Generator PRO's $9.99. Audio Function Generator PRO's advantage is in-app purchases (none vs 7) and rating (4.8 vs 4.6). On review sentiment, ratings volume, update cadence and ads 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
MultiTone Generator is free to download; Audio Function Generator PRO costs $9.99 up front. MultiTone Generator sells 7 in-app purchases, starting at $1.49 per month. Audio Function Generator PRO asks for nothing beyond the download.
Audio Function Generator PRO holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 269 and 355 respectively. Written reviews point the same way: 88% of Audio Function Generator PRO's written reviews are positive against 80% of MultiTone Generator's.
Audio Function Generator PRO ships an update every 6 weeks, MultiTone Generator monthly. The most recent releases landed on September 21, 2026 and September 7, 2026 respectively.
| Parameter | Audio Function Generator PRO | MultiTone Generator |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.8 (269 ratings) — better | 4.6 (355 ratings) |
| Positive reviews | 87.9% of reviews — better | 80.0% of reviews |
| Number of ratings | 269 | 355 — better |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.5 |
| Further details — not scored | ||
| Size | 13 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Gruber | Thomas Gruber |
Customer experience
Audio Function Generator PRO
MultiTone Generator
User reviews
Audio Function Generator PRO
From 269 App Store ratingsWhat we love
- ✨ Superb craftsmanship and work
- 🚀 Excellent performance on older devices
- 💡 History feature is a great addition
- 👍 Versatile and powerful app
- 🎶 Great for binaural beats and sound creation
Room to improve
- 📉 Linear sweep is useless
- ❓ Missing PWM functionality
- ❓ Missing Terzrauschen (third-octave noise)
- 🐛 Volume button issues
- 🐛 GUI is bad
MultiTone Generator
From 355 App Store ratingsWhat we love
- ✨ Sleek UI update
- 🔊 Tinnitus simulation accuracy
- 💡 Useful for frequency healing
- 🎶 Aids musical tuning understanding
- 💯 Great value for price
Room to improve
- 📱 iPhone frequency title readability
- 💰 Features moved to paid tier
- 💸 Deceptive update practices
- 🔊 Left/right speaker switch malfunction
- 🔋 Battery drain when in background
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
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- 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
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- 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
Reported bugs
4 issues- Left and right speaker switches do not work
- App drains battery when in background
- Amplitude difficult to adjust on iPhones
- High battery consumption after iOS 11 upgrade
Requested features
11 requests- Custom frequency names (bold)
- Reorder frequency list
- Display saved preset names at top
- Sweeping duration less than 0.1s
- Create and save multiple tracks
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- More frequency rows to add
- Create and name groupings of frequencies
- Summation of multiple waves in a single waveform
- Logarithmic frequency selection
- Auto-stop tones after X seconds
- Tones auto-stop on app minimize
In-app purchases
Audio Function Generator PRO
No in-app purchases
MultiTone Generator
- MultiTone PRO for one month$1.491 Month
- MultiTone PRO+ for one month$2.991 Month
- MultiTone PRO for one year$7.991 Year
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- MultiTone PRO+ for one year$14.991 Year
- MultiTone PRO Lifetime Access$9.99
- MultiTone PRO+ Lifetime Access$9.99
- MultiTone PRO+ Lifetime Access$19.99
Questions
Is Audio Function Generator PRO free?
Is MultiTone Generator free?
Which has better reviews, Audio Function Generator PRO or MultiTone Generator?
Do Audio Function Generator PRO or MultiTone Generator have ads?
Which is updated more often, Audio Function Generator PRO or MultiTone Generator?
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