Audio Function Generator PRO vs SoundTools Pro
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
SoundTools Pro
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Engineered for the moment the show goes live. Soundtools Pro is the live FOH companion built for real working engineers. While the show runs, every tap counts. Every readout has to be obvious under house light. Every calculation has to come back instantly — no clutter, no menus, no internet. Five live modules. Built for the booth. -Calculator — Speed of sound, wavelength, delay time, SPL distance law, dB summation, room modes, Sabine RT60. The everyday math, one tap away. -BPM / FX — Tap-tempo, reverb time recommendations, effect delays with feedback math. Sync your delay throws between songs. - LUFS Meter — ITU-R BS.1770 with K-weighting. Integrated, short-term, momentary, true-peak. Stay in spec for broadcast, streaming, or your own loudness target. -Real-time Spectrum — FFT analyzer with peak-hold, plus a feedback finder that tracks the resonance before it rings out. -Acoustic Delay — Measure the actual physical delay between FOH and a mic position using pink noise and cross-correlation. No external test rig required. Why Soundtools Pro? · Built FOR live use — big readouts, dark UI, minimal taps · Works fully offline — your data stays local, no cloud, no tracking · One-time purchase, lifetime updates — no subscription · Made by a working sound engineer who lives at FOH The complete toolkit: · Surviving Audio — Pre-show planning and system design · Your Ear — Free ear training based on 9 EQ pivot points · Soundtools Pro — Real-time tools during the show (this app) Three apps, one story: **train, plan, execute.** About Soundtools Pro is part of the Soundtools Tech ecosystem. Built independently, designed for working pros, priced fairly. No ads. No data harvest. Just tools that work.
Screenshots
Verdict
Audio Function Generator PRO and SoundTools Pro are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Audio Function Generator PRO costs $9.99 and SoundTools Pro $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Audio Function Generator PRO | SoundTools Pro |
|---|---|---|
| Price | $9.99 | $9.99 |
| Rating | 4.8 (269 ratings) — better | — |
| Positive reviews | 87.9% of reviews | — |
| Number of ratings | 269 — better | — |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 4 MB |
| Age rating | 4+ | 17+ |
| Developer | Thomas Gruber | Juerg Andres |
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
SoundTools Pro
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Audio Function Generator PRO
No in-app purchases
SoundTools Pro
No in-app purchases
Questions
Is Audio Function Generator PRO free?
Is SoundTools Pro free?
Do Audio Function Generator PRO or SoundTools Pro have ads?
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