# 培优100 vs 朗文英语世界2020

The clearest difference is in-app purchases: 培优100 at none against 朗文英语世界2020's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 朗文英语世界2020 sells 3 one-off in-app purchases. 培优100 asks for nothing beyond the download.

培优100 ships an update every 3 weeks, 朗文英语世界2020 every 4 weeks. The most recent releases landed on May 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 培优100 | 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 3 weeks** | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 59 MB | 65 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国云 李](https://appshunter.io/developer/1221763647) | [Qianhaiguangtian education and technology company](https://appshunter.io/developer/1472687013) |

## What reviewers say

### 培优100

[App page](https://appshunter.io/ios/app/100/id1221763648)

**Features:** macOS Compatibility

**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 培优100 free?

培优100 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 培优100 or 朗文英语世界2020 have ads?

Neither 培优100 nor 朗文英语世界2020 shows ads.

### Which is updated more often, 培优100 or 朗文英语世界2020?

培优100 ships an update every 3 weeks, and 朗文英语世界2020 every 4 weeks. Most recently, 培优100 was updated on May 18, 2026 and 朗文英语世界2020 on September 14, 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.*