# Sound Amplifier + vs Note Calculator Plus

The clearest difference is price: Sound Amplifier + at Free against Note Calculator Plus's $2.99. Sound Amplifier + also leads on iOS requirement (16.4 vs 26.5). Note Calculator Plus's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Sound Amplifier + is free to download; Note Calculator Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sound Amplifier + | Note Calculator Plus |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[3.7 (14 ratings)](https://appshunter.io/ios/app/sound-amplifier-plus/id6782403208/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | — |
| Monetization | Ad-supported | — |
| Size | 61 MB | 13 MB |
| Requires iOS | **16.4** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [heekyung moon](https://appshunter.io/developer/6779193748) | [Vijayvir Singh](https://appshunter.io/developer/1469680736) |

## What reviewers say

### Sound Amplifier +

[App page](https://appshunter.io/ios/app/sound-amplifier-plus/id6782403208)

Enhance your hearing in everyday situations. This tool uses your phone's microphone to amplify nearby sounds and deliver them to your earphones in real time. Adjust sound with an equalizer, reduce background noise, and protect your hearing with a volume limiter.

**Highlights:** Live audio amplification, 3-band equalizer with presets, Speech boost and noise reduction, Left/right balance control, Safe-volume limiter, Offline functionality

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

**In-app purchases:** none


### Note Calculator Plus

[App page](https://appshunter.io/ios/app/note-calculator-plus/id6791851793)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sound Amplifier + free?

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

### Is Note Calculator Plus free?

Note Calculator Plus costs $2.99, with no in-app purchases.

### Do Sound Amplifier + or Note Calculator Plus have ads?

Sound Amplifier + shows ads; Note Calculator Plus does not.

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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.*