# Audio Function Generator PRO vs Binaural Beats Healing Sleep

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.

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.

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.

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.

## The numbers

| Metric | Audio Function Generator PRO | Binaural Beats Healing Sleep |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.8 (269 ratings)](https://appshunter.io/ios/app/audio-function-generator-pro/id895074703/reviews) | **[4.8 (3.4K ratings)](https://appshunter.io/ios/app/binaural-beats-healing-sleep/id1659646730/reviews)** |
| Number of ratings | 269 | **3.4K** |
| Positive reviews | **87.9% of reviews** | 63.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Free** | Subscription |
| Best chart rank | — | **#183** |
| Size | 13 MB | 174 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Better Sleep Rise Elite](https://appshunter.io/developer/1707143652) |

## What reviewers say

### Audio Function Generator PRO

[App page](https://appshunter.io/ios/app/audio-function-generator-pro/id895074703)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ 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

**What reviewers complain about**

- 📉 Linear sweep is useless
- ❓ Missing PWM functionality
- ❓ Missing Terzrauschen (third-octave noise)
- 🐛 Volume button issues
- 🐛 GUI is bad

**Reported bugs**

- 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

**Requested features**

- 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


### Binaural Beats Healing Sleep

[App page](https://appshunter.io/ios/app/binaural-beats-healing-sleep/id1659646730)

**Currently charting:** #183 Top Grossing · Music (US App Store)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Waves Premium | $4.99 | per 7 days |
| Sleep Waves Premium | $4.99 | per 7 days |
| Green Noise Brainwaves Premium | $9.99 | per month |
| Green Noise Brainwaves Premium | $9.99 | per month |
| Brainwaves Premium | $9.99 | per month |
| Sleep Waves Premium | $9.99 | per month |
| One-Time Special Offer | $14.99 | per year |
| Sleep Waves Premium | $19.99 | per year |
| Sleep Waves Premium | $24.99 | per year |
| Sleep Waves Premium | $24.99 | per year |
| Green Noise for Better Sleep | $29.99 | per year |
| Sleep Waves Premium | $39.99 | per year |
| Sleep Waves Premium | $39.99 | per year |
| Healing Sleep Premium | $47.99 | per year |
| Sleep Waves Premium | $49.99 | per year |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Trouble cancelling subscription
- Locked out of paid features after trial

**Requested features**

- More free sound options
- Customizable soundscapes
- Improved sleep tracking


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*