# Sound Amplifier vs Sound Recognition

The clearest difference is rating: Sound Amplifier at 4.6 against Sound Recognition's 1.0. Sound Amplifier also leads on ads (none vs shown) and ratings volume (1.2K vs 1). Sound Recognition's advantage is in-app purchases (none vs 6). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Sound Amplifier holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Sound Amplifier has 1.2K ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Sound Amplifier | Sound Recognition |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.2K ratings)](https://appshunter.io/ios/app/sound-amplifier/id1615079093/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/sound-recognition/id6504954671/reviews) |
| Number of ratings | **1.2K** | 1 |
| Positive reviews | 34.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 23 MB | 36 MB |
| Requires iOS | **15.0** | 15.8.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Mighty Fine Apps LLC](https://appshunter.io/developer/973529494) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### 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


### Sound Recognition

[App page](https://appshunter.io/ios/app/sound-recognition/id6504954671)

This utility app notifies users with a screen change and light when a specific target voice is recognized. It also displays the most likely speech recognition result, including its type and evaluation value.

**Highlights:** Voice recognition alerts, Screen and light notification, Displays speech recognition results, Configurable recognition threshold

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sound Amplifier free?

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

### Is Sound Recognition free?

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

### Which has better reviews, Sound Amplifier or Sound Recognition?

Sound Amplifier is rated higher. Sound Amplifier averages 4.6 out of 5 from 1.2K ratings, while Sound Recognition averages 1.0 from 1 ratings.

### Do Sound Amplifier or Sound Recognition have ads?

Sound Recognition shows ads; Sound Amplifier does not.

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

Sound Amplifier ships an update every 2 weeks, and Sound Recognition every 2 weeks. Most recently, Sound Amplifier was updated on October 25, 2026 and Sound Recognition on October 7, 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.*