# Smart AMP vs iYeasound

The clearest difference is price: iYeasound at Free against Smart AMP's $1.99. iYeasound also leads on update cadence (monthly vs every 25 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

iYeasound is free to download; Smart AMP costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Smart AMP ships an update every 25 months, iYeasound monthly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Smart AMP | iYeasound |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[2.6 (8 ratings)](https://appshunter.io/ios/app/iyeasound/id6479745160/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Monthly** |
| Monetization | — | Free |
| Size | 4 MB | 354 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AlgorKorea Co., Ltd.](https://appshunter.io/developer/1173452285) | [Yeasound (Xiamen) Hearing Technology Co., Ltd](https://appshunter.io/developer/1758939841) |

## What reviewers say

### Smart AMP

[App page](https://appshunter.io/ios/app/smart-amp/id1438078177)

**In-app purchases:** none


### iYeasound

[App page](https://appshunter.io/ios/app/iyeasound/id6479745160)

This software tool allows users to control their hearing aid functions, including volume, program selection, and sound adjustments. Personalize your listening experience and adapt to different environments with intuitive controls.

**Highlights:** Volume control, Program selection, Treble and bass adjustment, Microphone directional adjustment, Personalized listening experience, Environmental adaptation

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart AMP free?

Smart AMP costs $1.99, with no in-app purchases.

### Is iYeasound free?

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

### Do Smart AMP or iYeasound have ads?

Neither Smart AMP nor iYeasound shows ads.

### Which is updated more often, Smart AMP or iYeasound?

Smart AMP ships an update every 25 months, and iYeasound monthly. Most recently, Smart AMP was updated on October 26, 2026 and iYeasound on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*