# WindGrab vs Sound Amplifier

The clearest difference is in-app purchases: WindGrab at none against Sound Amplifier's 3. WindGrab also leads on update cadence (every 2 days vs every 11 days) and iOS requirement (12.4 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Sound Amplifier sells 3 in-app purchases, starting at $6.99 per 7 days. WindGrab asks for nothing beyond the download.

WindGrab ships an update every 2 days, Sound Amplifier every 11 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | WindGrab | Sound Amplifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (26 ratings)](https://appshunter.io/ios/app/sound-amplifier-hear-boost/id6756648714/reviews)** |
| Number of ratings | — | **26** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 11 days |
| Monetization | — | Free with in-app purchases |
| Size | 76 MB | 10 MB |
| Requires iOS | **12.4** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Vigtech](https://appshunter.io/developer/1451027901) | [Lash Karetski](https://appshunter.io/developer/1797093827) |

## What reviewers say

### WindGrab

[App page](https://appshunter.io/ios/app/windgrab/id6443871297)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sound Amplifier

[App page](https://appshunter.io/ios/app/sound-amplifier-hear-boost/id6756648714)

Amplify and clarify audio in real-time, turning your phone into a powerful hearing aid. Instantly replay the last 30 seconds of sound and boost volume beyond normal limits. Works with any headphones and in background mode for convenience.

**Highlights:** Real-time sound amplification, Instant 30-second audio replay, Microphone boost for distant sounds, Background listening mode, Live sound waveform visualization, Works with wired and wireless headphones

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per 7 days |
| Yearly Premium | $34.99 | per year |
| Premium | $14.99 | one-time |


## Frequently asked questions

### Is WindGrab free?

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

### Is Sound Amplifier free?

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

### Do WindGrab or Sound Amplifier have ads?

Neither WindGrab nor Sound Amplifier shows ads.

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

WindGrab ships an update every 2 days, and Sound Amplifier every 11 days. Most recently, WindGrab was updated on October 27, 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.*