# Sound Amplifier | Volume Boost vs Hearing Number

The clearest difference is review sentiment: Sound Amplifier | Volume Boost at 84% against Hearing Number's 43%. Sound Amplifier | Volume Boost also leads on ratings volume (2.3K vs 599) and iOS requirement (14.0 vs 16.4). Hearing Number's advantage is in-app purchases (none vs 5) and rating (4.9 vs 4.5). 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. Hearing Number asks for nothing beyond the download.

Hearing Number holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 2.3K and 599 respectively. Written reviews complicate that: 84% of Sound Amplifier | Volume Boost's written reviews are positive against 43% of Hearing Number's, so the app with the better star average is not the one people write more warmly about.

Sound Amplifier | Volume Boost ships an update every 4 months, Hearing Number every 3 months. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Sound Amplifier | Volume Boost | Hearing Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2.3K ratings)](https://appshunter.io/ios/app/sound-amplifier-volume-boost/id1470850192/reviews) | **[4.9 (599 ratings)](https://appshunter.io/ios/app/hearing-number/id6630381789/reviews)** |
| Number of ratings | **2.3K** | 599 |
| Positive reviews | **84.1% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Freemium | **Free** |
| Size | 34 MB | 17 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Irakli Tsuladze](https://appshunter.io/developer/1731800085) | [Mimi Hearing Technologies](https://appshunter.io/developer/855322101) |

## What reviewers say

### 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


### Hearing Number

[App page](https://appshunter.io/ios/app/hearing-number/id6630381789)

Assess your hearing ability by determining the softest sound you can hear in each ear. Understand your unique Hearing Numbers to better protect your hearing and improve communication. Track changes over time and encourage others to take charge of their hearing wellness.

**Highlights:** Measure Hearing Numbers, Track hearing changes over time, Protect hearing wellness, Share with friends and family, Learn about hearing health

**In-app purchases:** none


## Frequently asked questions

### Is Sound Amplifier | Volume Boost free?

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

### Is Hearing Number free?

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

### Which has better reviews, Sound Amplifier | Volume Boost or Hearing Number?

Hearing Number is rated higher. Sound Amplifier | Volume Boost averages 4.5 out of 5 from 2.3K ratings, while Hearing Number averages 4.9 from 599 ratings.

### Do Sound Amplifier | Volume Boost or Hearing Number have ads?

Neither Sound Amplifier | Volume Boost nor Hearing Number shows ads.

### Which is updated more often, Sound Amplifier | Volume Boost or Hearing Number?

Sound Amplifier | Volume Boost ships an update every 4 months, and Hearing Number every 3 months. Most recently, Sound Amplifier | Volume Boost was updated on November 11, 2026 and Hearing Number on November 8, 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.*