Comparison

Audio Function Generator PRO vs Binaural Beats Healing Sleep

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

Binaural Beats Healing Sleep

Enhance sleep quality and focus with scientifically designed brainwave soundscapes. Explore a library of premium audio tracks and healing frequencies to quiet your mind, reduce anxiety, and promote relaxation.

Highlights
  • Brainwave soundscapes for sleep and focus
  • Premium sound library
  • Healing frequencies
  • Adjustable volume
  • Scenario-based audio recommendations
  • Immersive interface
Features
Currently charting
Read full description

→ Tune your brain & ADHD Relief — Brainwaves Binaural Beats. → Better sleep & relaxation — Green Noise. Brainwaves First: 5 Mainstream Sounds to Quiet Your Mind Quickly 1. Delta wave (0.5–4 Hz): Linked to dreamless sleep and deeper rest. Helps support better deep sleep. 2. Theta wave (4–7 Hz): Supports meditation, creativity, and sleep during the REM phase. 3. Alpha wave (7–13 Hz): May encourage relaxation and calm. 4. Beta wave (13–30 Hz): May help promote concentration and alertness. 5. Gamma wave (>30 Hz): Supports maintaining arousal and mental engagement while awake. Brainwave Scenarios (Quick Picks) * Morning Coffee: Gentle Alpha + Beta waves to start the day. * Espresso Shot: Energizing High Beta + Gamma binaural tones. * Morning Meditation: Alpha + Theta for a centered mind. * Focused and Alert: High Beta + Gamma to maximize focus. * Critical Thinking: Theta + Mid-Beta blend to boost logical thinking. * Concentration: Mid Beta binaural tones for steady concentration. Key Features 1. Expertly curated library of premium soundscapes. 2. Adjustable volume with high, medium, and low settings. 3. In-depth insights plus audio-visual recommendations for each track. 4. Audio categorization tailored to common scenarios. 5. Personalized recommendations based on diverse needs. 6. An immersive interface—visually and auditorily—for your pathway to tranquility. Healing Frequencies & Calming Tones * 285 Hz tones promote tissue repair, release tension, and renew energy. * 741 Hz: Natural tranquilizer that calms the mind, releases body tension, reduces anxiety, and enhances sleep. * 528 Hz “Love frequency” is thought to bring transformation, increased energy, awareness, creativity, and inner peace. * 432 Hz music reduces anxiety, lowers cortisol, and eases stress-related symptoms like headaches and tension. SUBSCRIPTION Healing Sleep offers monthly and yearly auto-renewing subscription options to get unlimited access to all content in the app. Payment will be charged to your Apple ID account at the confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy policy: https://bettersleepcycle.com/privacy-policy Terms of service: https://bettersleepcycle.com/terms Feedback: support@bettersleepcycle.com Disclaimer Any advice or other materials in Frequency are intended for general information purposes only. They are not intended to be relied upon or a substitute for professional medical advice based on your condition and circumstances. We make no claims, representations, or guarantees that it provides a physical or therapeutic effect.

Screenshots

Audio Function Generator PRO4 screens
Binaural Beats Healing Sleep4 screens

Verdict

The call

The clearest difference is price: Binaural Beats Healing Sleep at Free against Audio Function Generator PRO's $9.99. Binaural Beats Healing Sleep also leads on update cadence (every 2 weeks vs every 6 weeks) and ratings volume (3.4K vs 269). Audio Function Generator PRO's advantage is in-app purchases (none vs 22) and ads (none vs shown). On rating, device support and iOS requirement 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

Binaural Beats Healing Sleep is free to download; Audio Function Generator PRO costs $9.99 up front. Binaural Beats Healing Sleep sells 15 in-app purchases, starting at $4.99 per 7 days. Audio Function Generator PRO asks for nothing beyond the download.

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 4.8 for Binaural Beats Healing Sleep. That said, the two scores are not equally well evidenced: Binaural Beats Healing Sleep has 3.4K ratings behind it against 269, so its average is the more settled of the two. Written reviews are what separate them: 88% of Audio Function Generator PRO's written reviews are positive against 64% of Binaural Beats Healing Sleep's.

UpkeepUpdate frequency

Audio Function Generator PRO ships an update every 6 weeks, Binaural Beats Healing Sleep every 2 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard8 real differences · 3 level
Audio Function Generator PRO versus Binaural Beats Healing Sleep: the parameters behind the verdict, then further details
ParameterAudio Function Generator PROBinaural Beats Healing Sleep
Price$9.99Free — better
Rating4.8 (269 ratings)4.8 (3.4K ratings) — better
Positive reviews87.9% of reviews — better63.9% of reviews
Number of ratings2693.4K — better
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
Best chart rank—#168 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size13 MB174 MB
Age rating4+4+
DeveloperThomas GruberBetter Sleep Rise Elite

Customer experience

Audio Function Generator PRO

All ratings270 ratings
Positive94.8%
Neutral2.6%
Negative2.6%
Written reviews58 reviews
Positive87.9%
Neutral5.2%
Negative6.9%

Binaural Beats Healing Sleep

All ratings3,357 ratings
Positive97.0%
Neutral1.5%
Negative1.5%
Written reviews72 reviews
Positive63.9%
Neutral6.9%
Negative29.2%

User reviews

Audio Function Generator PRO

From 269 App Store ratings

What 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

Binaural Beats Healing Sleep

From 3.4K App Store ratings

What we love

  • 🌙 Helps with sleep
  • 🧘‍♀️ Calming and relaxing
  • ⏱️ Timer and alarm features
  • 📱 Easy to use interface

Room to improve

  • 💰 Paid access required for full features
  • 🔀 Limited sound variety in free version
  • 🔌 Occasional app crashes or freezes

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

Binaural Beats Healing Sleep

Reported bugs

2 issues
  • Trouble cancelling subscription
  • Locked out of paid features after trial

Requested features

3 requests
  • More free sound options
  • Customizable soundscapes
  • Improved sleep tracking

In-app purchases

None

Audio Function Generator PRO

No in-app purchases

15 purchases

Binaural Beats Healing Sleep

Subscriptions15
  • Sleep Waves Premium$4.997 Days
  • Sleep Waves Premium3 Days trial2 variants$4.997 Days
  • Green Noise Brainwaves Premium14 Days trial4 variants$9.991 Month
Show 12 more
  • Green Noise Brainwaves Premium1 Month trial$9.991 Month
  • Brainwaves Premium$9.991 Month
  • Sleep Waves Premium$9.991 Month
  • One-Time Special Offer3 Days trial2 variants$14.991 Year
  • Sleep Waves Premium3 Days trial$19.991 Year
  • Sleep Waves Premium1 Month trial$24.991 Year
  • Sleep Waves Premium7 Days trial$24.991 Year
  • Green Noise for Better Sleep3 Days trial$29.991 Year
  • Sleep Waves Premium7 Days trial3 variants$39.991 Year
  • Sleep Waves Premium1 Month trial$39.991 Year
  • Healing Sleep Premium7 Days trial$47.991 Year
  • Sleep Waves Premium7 Days trial$49.991 Year

Questions

Is Audio Function Generator PRO free?
Audio Function Generator PRO costs $9.99, with no in-app purchases.
Is Binaural Beats Healing Sleep free?
Binaural Beats Healing Sleep is free to download, with in-app purchases available.
Which has better reviews, Audio Function Generator PRO or Binaural Beats Healing Sleep?
Binaural Beats Healing Sleep is rated higher. Audio Function Generator PRO averages 4.8 out of 5 from 269 ratings, while Binaural Beats Healing Sleep averages 4.8 from 3.4K ratings.
Do Audio Function Generator PRO or Binaural Beats Healing Sleep have ads?
Binaural Beats Healing Sleep shows ads; Audio Function Generator PRO does not.
Which is updated more often, Audio Function Generator PRO or Binaural Beats Healing Sleep?
Audio Function Generator PRO ships an update every 6 weeks, and Binaural Beats Healing Sleep every 2 weeks. Most recently, Audio Function Generator PRO was updated on October 26, 2026 and Binaural Beats Healing Sleep on October 25, 2026.

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