# DocScope vs Opus to MP3 Converter

The clearest difference is in-app purchases: Opus to MP3 Converter at none against DocScope's 2. DocScope's advantage is ads (none vs shown) and device support (4 vs 2). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. DocScope sells 2 in-app purchases, starting at $3.99 per year. Opus to MP3 Converter asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DocScope | Opus to MP3 Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/opus-to-mp3-converter/id6810373840/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 35 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [鹏飞 高](https://appshunter.io/developer/1747456623) | [Vilva Athiban P B](https://appshunter.io/developer/1694185074) |

## What reviewers say

### DocScope

[App page](https://appshunter.io/ios/app/docscope/id6757520790)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Yearly Subscription | $3.99 | per year |
| Lifetime | $9.99 | one-time |


### Opus to MP3 Converter

[App page](https://appshunter.io/ios/app/opus-to-mp3-converter/id6810373840)

Easily convert .opus voice notes and other audio files to MP3 or WAV formats on your device. Process multiple files at once and share them directly to other apps. Enjoy private, on-device conversion without needing an internet connection.

**Highlights:** Convert .opus, .ogg, .m4a to MP3/WAV, Batch conversion of multiple files, 100% on-device processing, No internet connection required, Share directly to other apps, Supports numerous input formats

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

**In-app purchases:** none


## Frequently asked questions

### Is DocScope free?

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

### Is Opus to MP3 Converter free?

Opus to MP3 Converter is free to download, with no in-app purchases.

### Do DocScope or Opus to MP3 Converter have ads?

Opus to MP3 Converter shows ads; DocScope does not.

### Which is updated more often, DocScope or Opus to MP3 Converter?

DocScope ships an update weekly, and Opus to MP3 Converter weekly. Most recently, DocScope was updated on November 9, 2026 and Opus to MP3 Converter on October 31, 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.*