# DS vs Sound Amplifier

The clearest difference is rating: Sound Amplifier at 4.6 against DS's 1.0. Sound Amplifier also leads on review sentiment (34% vs 0%) and update cadence (every 2 weeks vs every 3 months). DS's advantage is in-app purchases (none vs 6) and iOS requirement (10.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Sound Amplifier sells 4 in-app purchases, starting at $9.99 per month. DS asks for nothing beyond the download.

Sound Amplifier holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Sound Amplifier has 1.2K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 0% of DS's written reviews are positive against 34% of Sound Amplifier's.

DS ships an update every 3 months, Sound Amplifier every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | DS | Sound Amplifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (9 ratings)](https://appshunter.io/ios/app/ds-a101-g/id1462932053/reviews) | **[4.6 (1.2K ratings)](https://appshunter.io/ios/app/sound-amplifier/id1615079093/reviews)** |
| Number of ratings | 9 | **1.2K** |
| Positive reviews | 0.0% of reviews | **34.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 23 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [ELAC Americas Inc.](https://appshunter.io/developer/1547394447) | [Mighty Fine Apps LLC](https://appshunter.io/developer/973529494) |

## What reviewers say

### DS

[App page](https://appshunter.io/ios/app/ds-a101-g/id1462932053)

Control your amplifier wirelessly from your smartphone or tablet. Adjust volume, connect to your wireless network, and update your device's firmware. Ensure your device is updated for optimal performance.

**Highlights:** Wireless amplifier control, Adjust output volume, Connect to wireless network, Check for firmware updates, Install new firmware

**Features:** macOS Compatibility

**In-app purchases:** none


### Sound Amplifier

[App page](https://appshunter.io/ios/app/sound-amplifier/id1615079093)

Transform your phone into a powerful hearing aid. This app amplifies sound up to 100x, enhances voice clarity, and reduces background noise. Protect your hearing while easily listening to conversations, lectures, or TV with connected headphones.

**Highlights:** Volume amplification up to 100x, Voice isolation for clearer conversations, Hearing protection features, Background app operation, Simple one-tap amplification, Bluetooth headphone support

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $9.99 | per month |
| Full Access | $49.99 | per year |
| Full Access | $59.99 | per year |
| Full Access | $99.99 | per year |

**What reviewers like**

- ⭐ Excellent sound quality
- 🔊 Effective amplification
- 🎧 Works well with wireless headphones

**What reviewers complain about**

- 💰 Expensive subscription model
- 🔒 Locked behind paywall
- 🔁 Delayed audio playback
- 🚫 Doesn't work with built-in phone speakers

**Reported bugs**

- Subscription charges even after cancellation
- Inability to cancel free trial
- Compatibility issues with certain devices

**Requested features**

- Free trial option without payment info
- Ability to use without subscription
- Integration with iOS accessibility features


## Frequently asked questions

### Is DS free?

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

### Is Sound Amplifier free?

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

### Which has better reviews, DS or Sound Amplifier?

Sound Amplifier is rated higher. DS averages 1.0 out of 5 from 9 ratings, while Sound Amplifier averages 4.6 from 1.2K ratings.

### Do DS or Sound Amplifier have ads?

Neither DS nor Sound Amplifier shows ads.

### Which is updated more often, DS or Sound Amplifier?

DS ships an update every 3 months, and Sound Amplifier every 2 weeks. Most recently, DS was updated on November 3, 2026 and Sound Amplifier on November 3, 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.*