# Shadowing Lab vs AGG

The clearest difference is in-app purchases: AGG at none against Shadowing Lab's 8. AGG also leads on iOS requirement (15.6 vs 17.0). Shadowing Lab's advantage is update cadence (every 5 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Shadowing Lab sells 8 in-app purchases, starting at $0.99 per month. AGG asks for nothing beyond the download.

Shadowing Lab ships an update every 5 days, AGG every 4 months. Both last shipped on October 10, 2026.

## The numbers

| Metric | Shadowing Lab | AGG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shadowing-lab/id6755928466/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 months |
| Monetization | Subscription | — |
| Size | 61 MB | 57 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [培 张](https://appshunter.io/developer/1683041875) | [Shenzhen Miaoxiang intelligent Co., LTD](https://appshunter.io/developer/1436399965) |

## What reviewers say

### Shadowing Lab

[App page](https://appshunter.io/ios/app/shadowing-lab/id6755928466)

This app focuses on improving English listening comprehension, pronunciation, and spoken expression through intensive listening, close reading, and shadowing techniques. It offers structured, repeatable training with curated content and a clear learning path to build sustainable language ability.

**Highlights:** Intensive listening with segment-based audio, Shadowing practice with native audio comparison, Bilingual text support (English-Chinese), Curated content with increasing difficulty, Progress tracking and learning milestones, Distraction-free interface

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| 连续包年 | $4.99 | per year |
| Points Pack (612) | $0.99 | one-time |
| Points Top-Up ¥18 | $2.99 | one-time |
| Points Top-Up ¥38 | $4.99 | one-time |
| Points Pack (7956) | $9.99 | one-time |
| Points Pack (12054) | $14.99 | one-time |
| Points Top-Up ¥198 | $29.99 | one-time |


### AGG

[App page](https://appshunter.io/ios/app/agg/id6757631479)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shadowing Lab free?

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

### Is AGG free?

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

### Do Shadowing Lab or AGG have ads?

Neither Shadowing Lab nor AGG shows ads.

### Which is updated more often, Shadowing Lab or AGG?

Shadowing Lab ships an update every 5 days, and AGG every 4 months. Most recently, Shadowing Lab was updated on October 10, 2026 and AGG on October 10, 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.*