# 少儿单词挑战 vs Echotter

The clearest difference is in-app purchases: 少儿单词挑战 at none against Echotter's 6. 少儿单词挑战 also leads on iOS requirement (11.0 vs 17.0). Echotter's advantage is update cadence (every 5 days vs every 11 days). On price, ads and device support there is nothing between them.

Both are free to download. Echotter sells 6 in-app purchases, starting at $2.99 per month. 少儿单词挑战 asks for nothing beyond the download.

少儿单词挑战 ships an update every 11 days, Echotter every 5 days. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 少儿单词挑战 | Echotter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Size | 37 MB | 12 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Breezerain Beijing Education Technology Ltd.](https://appshunter.io/developer/1506183329) | [Yanlu Li](https://appshunter.io/developer/6806027595) |

## What reviewers say

### 少儿单词挑战

[App page](https://appshunter.io/ios/app/id1503480431)

**Features:** macOS Compatibility

**In-app purchases:** none


### Echotter

[App page](https://appshunter.io/ios/app/echotter/id6806027593)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite Monthly | $2.99 | per month |
| Core Monthly | $4.99 | per month |
| Deep Monthly | $9.99 | per month |
| Lite Yearly | $14.99 | per year |
| Core Yearly | $24.99 | per year |
| Deep Yearly | $49.99 | per year |


## Frequently asked questions

### Is 少儿单词挑战 free?

少儿单词挑战 is free to download, with no in-app purchases.

### Is Echotter free?

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

### Do 少儿单词挑战 or Echotter have ads?

Neither 少儿单词挑战 nor Echotter shows ads.

### Which is updated more often, 少儿单词挑战 or Echotter?

少儿单词挑战 ships an update every 11 days, and Echotter every 5 days. Most recently, 少儿单词挑战 was updated on October 3, 2026 and Echotter on October 9, 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.*