# Sound Amplifier | Volume Boost vs Attendance Notebook

The clearest difference is in-app purchases: Attendance Notebook at none against Sound Amplifier | Volume Boost's 5. Sound Amplifier | Volume Boost's advantage is update cadence (every 4 months vs every 15 months). On price, ads, device support and iOS requirement 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. Attendance Notebook asks for nothing beyond the download.

Sound Amplifier | Volume Boost ships an update every 4 months, Attendance Notebook every 15 months. The most recent releases landed on October 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Sound Amplifier | Volume Boost | Attendance Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2.3K ratings)](https://appshunter.io/ios/app/sound-amplifier-volume-boost/id1470850192/reviews)** | — |
| Number of ratings | **2.3K** | — |
| Positive reviews | 84.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 15 months |
| Monetization | Freemium | — |
| Size | 34 MB | 60 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Irakli Tsuladze](https://appshunter.io/developer/1731800085) | [Ranjeet Dubey](https://appshunter.io/developer/1604056373) |

## 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


### Attendance Notebook

[App page](https://appshunter.io/ios/app/attendance-notebook/id6723894716)

**Features:** macOS Compatibility

**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 Attendance Notebook free?

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

### Do Sound Amplifier | Volume Boost or Attendance Notebook have ads?

Neither Sound Amplifier | Volume Boost nor Attendance Notebook shows ads.

### Which is updated more often, Sound Amplifier | Volume Boost or Attendance Notebook?

Sound Amplifier | Volume Boost ships an update every 4 months, and Attendance Notebook every 15 months. Most recently, Sound Amplifier | Volume Boost was updated on October 22, 2026 and Attendance Notebook 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.*