# Dual Smart EQ vs Sound Amplifier +

The clearest difference is rating: Sound Amplifier + at 3.8 against Dual Smart EQ's 2.0. Sound Amplifier + also leads on update cadence (every 4 days vs every 11 months). Dual Smart EQ's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sound Amplifier + holds the better App Store score, 3.8 against 2.0. Both are backed by a comparable volume of ratings — 21 and 15 respectively. Written reviews complicate that: 7% of Dual Smart EQ's written reviews are positive against 0% of Sound Amplifier +'s, so the app with the better star average is not the one people write more warmly about.

Dual Smart EQ ships an update every 11 months, Sound Amplifier + every 4 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dual Smart EQ | Sound Amplifier + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (21 ratings)](https://appshunter.io/ios/app/dual-smart-eq/id839712095/reviews) | **[3.8 (15 ratings)](https://appshunter.io/ios/app/sound-amplifier-plus/id6782403208/reviews)** |
| Number of ratings | **21** | 15 |
| Positive reviews | **7.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | **Free** | Ad-supported |
| Size | 9 MB | 61 MB |
| Requires iOS | **8.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [NAMSUNG AMERICA, INC.](https://appshunter.io/developer/345119802) | [heekyung moon](https://appshunter.io/developer/6779193748) |

## What reviewers say

### Dual Smart EQ

[App page](https://appshunter.io/ios/app/dual-smart-eq/id839712095)

Control your car's audio system with this app. Adjust volume, balance, and EQ settings, or stream music via Bluetooth. It offers presets and custom user settings for a personalized sound experience.

**Highlights:** Bluetooth audio streaming, 7-band EQ with presets, Custom user settings, Volume, balance, and fade control, Source selection

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Dual Smart EQ free?

Dual Smart EQ is free to download, with no in-app purchases.

### Is Sound Amplifier + free?

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

### Which has better reviews, Dual Smart EQ or Sound Amplifier +?

Sound Amplifier + is rated higher. Dual Smart EQ averages 2.0 out of 5 from 21 ratings, while Sound Amplifier + averages 3.8 from 15 ratings.

### Do Dual Smart EQ or Sound Amplifier + have ads?

Sound Amplifier + shows ads; Dual Smart EQ does not.

### Which is updated more often, Dual Smart EQ or Sound Amplifier +?

Dual Smart EQ ships an update every 11 months, and Sound Amplifier + every 4 days. Most recently, Dual Smart EQ was updated on October 22, 2026 and Sound Amplifier + on October 24, 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.*