# ProjectMP3 vs Shadowing Master

The clearest difference is update cadence: Shadowing Master at every 5 days against ProjectMP3's every 10 months. ProjectMP3's advantage is device support (4 vs 2) and iOS requirement (13.4 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ProjectMP3 ships an update every 10 months, Shadowing Master every 5 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ProjectMP3 | Shadowing Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/shadowing-master/id6751806807/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 47 MB | 9 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Project MP3](https://appshunter.io/developer/1706230401) | [준 이](https://appshunter.io/developer/1836919516) |

## What reviewers say

### ProjectMP3

[App page](https://appshunter.io/ios/app/projectmp3/id6464551756)

**In-app purchases:** none


### Shadowing Master

[App page](https://appshunter.io/ios/app/shadowing-master/id6751806807)

Practice language shadowing with ease. Record yourself repeating audio, merge it with the original, and review timing with waveform previews. Supports PDF scripts for a comprehensive learning experience.

**Highlights:** Merge original audio with user recordings, Practice with PDF scripts, Waveform navigation and timing preview, Supports multiple audio file formats, Secure on-device processing, Dark mode support

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

**In-app purchases:** none


## Frequently asked questions

### Is ProjectMP3 free?

ProjectMP3 is free to download, with no in-app purchases.

### Is Shadowing Master free?

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

### Do ProjectMP3 or Shadowing Master have ads?

Neither ProjectMP3 nor Shadowing Master shows ads.

### Which is updated more often, ProjectMP3 or Shadowing Master?

ProjectMP3 ships an update every 10 months, and Shadowing Master every 5 days. Most recently, ProjectMP3 was updated on October 2, 2026 and Shadowing Master on September 30, 2026.

---

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