Audio Function Generator vs Sound Oscilloscope
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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)
Read full descriptionHide 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
Sound Oscilloscope
Visualize sound waves and analyze their frequency spectrum. This utility displays the waveform of various sounds, from your voice to musical instruments, and reveals their overtone structure. Explore the sonic characteristics of your environment with this straightforward tool.
- Shows sound waveform
- Shows sound spectrum
- Shows sound power level
- Sensitive algorithm
- Works from 30 Hz to 4000 Hz
Read full descriptionHide full description
Sound Oscilloscope app is a simple oscilloscope that shows sound waveform. If you use this app you can watch and analyze waveform of your voice, a musical instrument, a car, a train and more... Further, Sound Oscilloscope allows you to watch sound spectrum and you can know the overtone structure of the sound. The working range of the app is 30 Hz to 4000 Hz. How about observing various kind of sound? Sound Oscilloscope will accompany you. Features -Sensitive algorithm -Shows waveform of sound -Shows spectrum of sound -Shows power level of sound
Screenshots
Verdict
The clearest difference is review sentiment: Audio Function Generator at 77% against Sound Oscilloscope's 33%. Audio Function Generator also leads on rating (4.7 vs 3.3) and ratings volume (2.2K vs 24). Sound Oscilloscope's advantage is in-app purchases (none vs 1) and update cadence (every 9 days vs every 6 weeks). On price, ads 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
Both are free to download. Audio Function Generator sells 1 one-off in-app purchase. Sound Oscilloscope asks for nothing beyond the download.
Audio Function Generator holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 24, 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 33% of Sound Oscilloscope's.
Audio Function Generator ships an update every 6 weeks, Sound Oscilloscope every 9 days. The most recent releases landed on October 13, 2026 and September 28, 2026 respectively.
| Parameter | Audio Function Generator | Sound Oscilloscope |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (2.2K ratings) — better | 3.3 (24 ratings) |
| Positive reviews | 77.1% of reviews — better | 33.3% of reviews |
| Number of ratings | 2.2K — better | 24 |
| Update frequency | Every 6 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 12.1 — better |
| Further details — not scored | ||
| Size | 14 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Gruber | Shinichi Takemura |
Customer experience
Audio Function Generator
Sound Oscilloscope
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 moreShow fewer
- Improve accessibility (VoiceOver support)
Sound Oscilloscope
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Audio Function Generator
- Upgrade to PRO$9.99
Sound Oscilloscope
No in-app purchases
Questions
Is Audio Function Generator free?
Is Sound Oscilloscope free?
Which has better reviews, Audio Function Generator or Sound Oscilloscope?
Do Audio Function Generator or Sound Oscilloscope have ads?
Which is updated more often, Audio Function Generator or Sound Oscilloscope?
Other comparisons
