# SEES HD vs 朗文英语世界2020

The clearest difference is in-app purchases: SEES HD at none against 朗文英语世界2020's 3. SEES HD also leads on iOS requirement (9.0 vs 13.0). 朗文英语世界2020's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. 朗文英语世界2020 sells 3 one-off in-app purchases. SEES HD asks for nothing beyond the download.

SEES HD ships an update every 6 weeks, 朗文英语世界2020 every 5 weeks. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SEES HD | 朗文英语世界2020 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/2020/id1502360525/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 284 MB | 55 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Action Blue Sky Education Information Technology Development Co., Ltd.](https://appshunter.io/developer/1272526236) | [Qianhaiguangtian education and technology company](https://appshunter.io/developer/1472687013) |

## What reviewers say

### SEES HD

[App page](https://appshunter.io/ios/app/sees-hd/id1272526237)

**In-app purchases:** none


### 朗文英语世界2020

[App page](https://appshunter.io/ios/app/2020/id1502360525)

This app offers English learning through video lessons with native foreign teachers and customized lessons based on original picture books. It features an advanced learning interface designed for progressive skill development.

**Highlights:** Native foreign teacher video lessons, Customized lessons from original picture books, Progressive learning interface, Interactive learning modules

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 视频18元套集 | $2.99 | one-time |
| 30元单集视频 | $4.99 | one-time |
| 198元全集视频 | $29.99 | one-time |


## Frequently asked questions

### Is SEES HD free?

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

### Is 朗文英语世界2020 free?

朗文英语世界2020 is free to download, with in-app purchases available.

### Do SEES HD or 朗文英语世界2020 have ads?

Neither SEES HD nor 朗文英语世界2020 shows ads.

### Which is updated more often, SEES HD or 朗文英语世界2020?

SEES HD ships an update every 6 weeks, and 朗文英语世界2020 every 5 weeks. Most recently, SEES HD was updated on October 4, 2026 and 朗文英语世界2020 on October 18, 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.*