# ffmpeg vs DSD Mastering Viewer

The clearest difference is in-app purchases: ffmpeg at none against DSD Mastering Viewer's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DSD Mastering Viewer sells 4 one-off in-app purchases. ffmpeg asks for nothing beyond the download.

## The numbers

| Metric | ffmpeg | DSD Mastering Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/ffmpeg/id6777731637/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 29 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [Liuan Pipi Network Technology Co., Ltd.](https://appshunter.io/developer/1526419482) | [Siarhei Hladkou](https://appshunter.io/developer/6782669152) |

## What reviewers say

### ffmpeg

[App page](https://appshunter.io/ios/app/ffmpeg/id6777731637)

This app provides a local workbench for audio and video processing on iPhone and iPad. It allows users to convert video to audio, change audio formats, compress videos, crop clips, adjust volume, and view media information using FFmpeg commands.

**Highlights:** Video to audio conversion, Audio format conversion, Video compression, Clip cropping, Volume adjustment, Media information viewing

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

**In-app purchases:** none


### DSD Mastering Viewer

[App page](https://appshunter.io/ios/app/dsd-mastering-viewer/id6806110367)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Trial | Free | one-time |
| Converter | $99.99 | one-time |
| DSD Viewer | $99.99 | one-time |
| DSD Viewer+Converter | $199.99 | one-time |


## Frequently asked questions

### Is ffmpeg free?

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

### Is DSD Mastering Viewer free?

DSD Mastering Viewer is free to download, with in-app purchases available.

### Do ffmpeg or DSD Mastering Viewer have ads?

Neither ffmpeg nor DSD Mastering Viewer shows ads.

---

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