Audio Function Generator vs Sonic Pitch Sound Generator
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)
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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 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
Sonic Pitch Sound Generator
Generate precise sound waves with adjustable frequencies and various waveform types. Use it for audio testing, insect repulsion, pet training, or as a prank tool. Features include a decibel meter and stereo sound tests.
- Adjustable sine, square, triangle, and sawtooth waveforms
- Precise frequency control from 0Hz to 25kHz
- Wave visualization
- Insect and mosquito repellent tones
- Dog whistle functionality
- Stereo and bass sound tests
- Real-time decibel meter
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Sonic Wave provides sine tones and you could easily control the exact frequencies. Swipe your finger up and down to raise or lower the frequency of the tones, and directly check the frequency by professional wave visualization. Take full control of your sound with our latest update! We’ve expanded your toolkit with new waveform types—including Square, Triangle, and Sawtooth—giving you more versatility for audio testing, experiments, and cleaning. Plus, our new precision frequency adjustment with customizable sensitivity lets you fine-tune tones with pinpoint accuracy. What can I use it for? 1. Use Sonic Wave to generate different frequencies to drive insects away or produce white noises and pitch noises. 2. This app allows you to generate tones with range from 0Hz to Ultrasonic 25kHz frequency. 3. It can be used as dog whistle to train your dog, make your dog come or go away. 4. Also you can use it to stop your neighbor's dog from barking. 5. It can be used as a prank tool to annoy your classmates or friends. 6. It can be used as a repel mosquitos tool. 7. Stereo Sound Test: Easily test the left and right channels of your iPhone or iPad to ensure perfect stereo sound. 8. Bass Test: Evaluate your device’s bass performance with high-precision bass tones. 9. Decibel Meter (dB Meter): Measure the sound level around you in real time using your device’s microphone. Perfect for checking noise levels at home or in public. 10. Camera dB Test: Use your iPhone or iPad’s camera to visualize decibel levels for an added layer of precision. It’s a tiny and handy tool you need in your pocket, just download it and enjoy it! Subscription Information: Sonic Pitch Sound Generator offers an auto-renewing yearly subscription Premium at $19.99 USD/year and $5.99/week to provide you with unlimited access to all features, No Ads and premium features while you maintain an active subscription. Payment will be charged to the payment method connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after purchase. Terms of service: http://pixelfoxes.com/sonic/sonic_terms_of_use.html Privacy policy: http://pixelfoxes.com/privacy_policy.html
Screenshots
Verdict
The clearest difference is monetization model: Audio Function Generator at free with in-app purchases against Sonic Pitch Sound Generator's subscription. Audio Function Generator also leads on ads (none vs shown) and rating (4.7 vs 4.5). On price, review sentiment, ratings volume and update cadence 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 and Sonic Pitch Sound Generator sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Audio Function Generator holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 2.2K and 1.8K respectively. Written reviews point the same way: 77% of Audio Function Generator's written reviews are positive against 71% of Sonic Pitch Sound Generator's.
Audio Function Generator ships an update every 6 weeks, Sonic Pitch Sound Generator every 5 weeks. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.
| Parameter | Audio Function Generator | Sonic Pitch Sound Generator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (2.2K ratings) — better | 4.5 (1.8K ratings) |
| Positive reviews | 77.1% of reviews — better | 71.5% of reviews |
| Number of ratings | 2.2K — better | 1.8K |
| Update frequency | Every 6 weeks | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 — better | 15.6 |
| Further details — not scored | ||
| Size | 14 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Gruber | 茂利 王 |
Customer experience
Audio Function Generator
Sonic Pitch Sound Generator
User reviews
Audio Function Generator
From 2.2K App Store ratingsWhat we love
- 👍 Great app
- 🎶 Helps with Tinnitus
- 💯 Best app I've paid for
- 🔍 Highly recommended
- 🎨 Attention to detail
Room to improve
- 🐛 Crashes
- 💰 Deceptive/Money hungry
- 🔒 Basic features paywalled
- 🔒 Limited without paying
- 🔒 Removed functionality to push paid version
Sonic Pitch Sound Generator
From 1.8K App Store ratingsWhat we love
- 👍 Simple and easy to use
- 🚀 Precise tone generation
- 💡 Useful for testing audio equipment
- 💡 Helpful for tinnitus sufferers
- 💡 Effective for repelling mosquitoes and annoying people
Room to improve
- 🐛 Sensitive slider makes it difficult to dial in precise frequencies
- 🔍 Lack of instructions on which frequencies to use for specific purposes
- 📢 Intrusive and frequent ads
- 🔋 Ads can cause app crashes and drain battery
- 🚫 Limited free functionality, requires payment to remove ads
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
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- Improve accessibility (VoiceOver support)
Sonic Pitch Sound Generator
Reported bugs
3 issues- Slider is too sensitive, making it hard to select precise frequencies
- Ads sometimes play loudly and unexpectedly, potentially damaging speakers
- App crashes when trying to close full-screen ads
Requested features
4 requests- Ability to save and name custom frequency presets
- Option to manually enter exact frequency values
- Timer or background playback mode
- Paid ad-free version
In-app purchases
Audio Function Generator
- Upgrade to PRO$9.99
Sonic Pitch Sound Generator
- Premium Weekly Subscription$5.997 Days
- Premium Yearly Subscription$19.991 Year
Questions
Is Audio Function Generator free?
Is Sonic Pitch Sound Generator free?
Which has better reviews, Audio Function Generator or Sonic Pitch Sound Generator?
Do Audio Function Generator or Sonic Pitch Sound Generator have ads?
Which is updated more often, Audio Function Generator or Sonic Pitch Sound Generator?
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