# Shadowing Master vs Koty world

The clearest difference is update cadence: Shadowing Master at every 4 days against Koty world's every 2 months. Koty world's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Shadowing Master ships an update every 4 days, Koty world every 2 months. The most recent releases landed on July 3, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Shadowing Master | Koty world |
| --- | --- | --- |
| 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 4 days** | Every 2 months |
| Monetization | Free | — |
| Size | 14 MB | 366 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JUN LEE](https://appshunter.io/developer/1836919516) | [sameh elgazzar](https://appshunter.io/developer/1849371470) |

## What reviewers say

### 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


### Koty world

[App page](https://appshunter.io/ios/app/koty-world/id6754635959)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shadowing Master free?

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

### Is Koty world free?

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

### Do Shadowing Master or Koty world have ads?

Neither Shadowing Master nor Koty world shows ads.

### Which is updated more often, Shadowing Master or Koty world?

Shadowing Master ships an update every 4 days, and Koty world every 2 months. Most recently, Shadowing Master was updated on July 3, 2026 and Koty world on September 20, 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.*