# YaoSound vs Sound Amplifier

The clearest difference is in-app purchases: YaoSound at none against Sound Amplifier's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sound Amplifier sells 4 in-app purchases, starting at $9.99 per month. YaoSound asks for nothing beyond the download.

YaoSound ships an update every 3 weeks, Sound Amplifier every 2 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | YaoSound | Sound Amplifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (1.2K ratings)](https://appshunter.io/ios/app/sound-amplifier/id1615079093/reviews)** |
| Number of ratings | — | **1.2K** |
| Positive reviews | — | 34.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 56 MB | 23 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Shenzhen Magnet Technology Co.,Ltd](https://appshunter.io/developer/1606759318) | [Mighty Fine Apps LLC](https://appshunter.io/developer/973529494) |

## What reviewers say

### YaoSound

[App page](https://appshunter.io/ios/app/yaosound/id1606759316)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sound Amplifier

[App page](https://appshunter.io/ios/app/sound-amplifier/id1615079093)

Transform your phone into a powerful hearing aid. This app amplifies sound up to 100x, enhances voice clarity, and reduces background noise. Protect your hearing while easily listening to conversations, lectures, or TV with connected headphones.

**Highlights:** Volume amplification up to 100x, Voice isolation for clearer conversations, Hearing protection features, Background app operation, Simple one-tap amplification, Bluetooth headphone support

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $9.99 | per month |
| Full Access | $49.99 | per year |
| Full Access | $59.99 | per year |
| Full Access | $99.99 | per year |

**What reviewers like**

- ⭐ Excellent sound quality
- 🔊 Effective amplification
- 🎧 Works well with wireless headphones

**What reviewers complain about**

- 💰 Expensive subscription model
- 🔒 Locked behind paywall
- 🔁 Delayed audio playback
- 🚫 Doesn't work with built-in phone speakers

**Reported bugs**

- Subscription charges even after cancellation
- Inability to cancel free trial
- Compatibility issues with certain devices

**Requested features**

- Free trial option without payment info
- Ability to use without subscription
- Integration with iOS accessibility features


## Frequently asked questions

### Is YaoSound free?

YaoSound is free to download, with no in-app purchases.

### Is Sound Amplifier free?

Sound Amplifier is free to download, with in-app purchases available.

### Do YaoSound or Sound Amplifier have ads?

Neither YaoSound nor Sound Amplifier shows ads.

### Which is updated more often, YaoSound or Sound Amplifier?

YaoSound ships an update every 3 weeks, and Sound Amplifier every 2 weeks. Most recently, YaoSound was updated on October 19, 2026 and Sound Amplifier on October 24, 2026.

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