# AMP Fit vs Sound Amplifier | Volume Boost

The clearest difference is rating: AMP Fit at 5.0 against Sound Amplifier | Volume Boost's 4.5. AMP Fit also leads on in-app purchases (none vs 5) and review sentiment (100% vs 84%). Sound Amplifier | Volume Boost's advantage is ratings volume (2.3K vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sound Amplifier | Volume Boost sells 5 in-app purchases, starting at $5.99 per 7 days. AMP Fit asks for nothing beyond the download.

AMP Fit holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Sound Amplifier | Volume Boost has 2.3K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of AMP Fit's written reviews are positive against 84% of Sound Amplifier | Volume Boost's.

AMP Fit ships an update every 2 months, Sound Amplifier | Volume Boost every 4 months. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | AMP Fit | Sound Amplifier | Volume Boost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/amp-fit/id408658320/reviews)** | [4.5 (2.3K ratings)](https://appshunter.io/ios/app/sound-amplifier-volume-boost/id1470850192/reviews) |
| Number of ratings | 1 | **2.3K** |
| Positive reviews | **100.0% of reviews** | 84.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Freemium |
| Size | 38 MB | 34 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Starkey Laboratories](https://appshunter.io/developer/336622271) | [Irakli Tsuladze](https://appshunter.io/developer/1731800085) |

## What reviewers say

### AMP Fit

[App page](https://appshunter.io/ios/app/amp-fit/id408658320)

This professional tool allows hearing specialists to fit and adjust personal audio amplifiers. It uses specific tones and offers control over four key parameters for customized sound profiles. Requires a professional account login.

**Highlights:** Personal audio amplifier fitting, Professional account login, Tone-based adjustments, Control over four parameters, Preset selection

**Features:** macOS Compatibility

**In-app purchases:** none


### Sound Amplifier | Volume Boost

[App page](https://appshunter.io/ios/app/sound-amplifier-volume-boost/id1470850192)

Amplify live headphone audio and enhance your listening experience. This app offers volume boosts, music enhancement, and even a hearing assessment. Record audio and review transcriptions to never miss a word.

**Highlights:** Volume boost presets, Music enhancement, Hearing assessment, Live audio recording, Real-time transcriptions, Personalized hearing profiles, Noise reduction

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $5.99 | per 7 days |
| Hearing Amplifier, Ear Spy | $11.99 | per month |
| 3-Month Sound Boost Access | $12.99 | per 3 months |
| Listening Device, Amp Me | $39.99 | per year |
| lifetime | $44.99 | one-time |

**What reviewers like**

- 👍 Clear audio quality
- 🚀 Effective sound amplification
- 💡 Useful hearing profile test
- 🔒 Secure and private
- 👍 Easy to use interface

**What reviewers complain about**

- 🔒 Requires subscription for full access
- 🐛 Occasional bugs and glitches
- 🔋 High battery consumption
- 🔒 Forced to leave review for access

**Reported bugs**

- Recording feature not working
- Delayed sound output
- Compatibility issues with older devices

**Requested features**

- Compatibility with more audio sources
- Background playback support
- Customizable sound profiles
- Volume boost for specific apps


## Frequently asked questions

### Is AMP Fit free?

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

### Is Sound Amplifier | Volume Boost free?

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

### Which has better reviews, AMP Fit or Sound Amplifier | Volume Boost?

AMP Fit is rated higher. AMP Fit averages 5.0 out of 5 from 1 ratings, while Sound Amplifier | Volume Boost averages 4.5 from 2.3K ratings.

### Do AMP Fit or Sound Amplifier | Volume Boost have ads?

Neither AMP Fit nor Sound Amplifier | Volume Boost shows ads.

### Which is updated more often, AMP Fit or Sound Amplifier | Volume Boost?

AMP Fit ships an update every 2 months, and Sound Amplifier | Volume Boost every 4 months. Most recently, AMP Fit was updated on November 4, 2026 and Sound Amplifier | Volume Boost on November 6, 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.*