# 研线课堂 vs CurateLit

The clearest difference is in-app purchases: CurateLit at none against 研线课堂's 6. 研线课堂's advantage is iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. 研线课堂 sells 6 one-off in-app purchases. CurateLit asks for nothing beyond the download.

## The numbers

| Metric | 研线课堂 | CurateLit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id1321846600/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Size | 64 MB | 38 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Beijing Success Education & Technology Co.,Ltd.](https://appshunter.io/developer/1019393129) | [文贝 谢](https://appshunter.io/developer/1860737503) |

## What reviewers say

### 研线课堂

[App page](https://appshunter.io/ios/app/id1321846600)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 学习币6个 | $0.90 | one-time |
| 学习币18个 | $2.59 | one-time |
| 学习币98个 | $14.99 | one-time |
| 学习币198个 | $29.99 | one-time |
| 学习币298个 | $46.99 | one-time |
| 学习币698个 | $99.00 | one-time |


### CurateLit

[App page](https://appshunter.io/ios/app/curatelit/id6758133867)

**In-app purchases:** none


## Frequently asked questions

### Is 研线课堂 free?

研线课堂 is free to download, with in-app purchases available.

### Is CurateLit free?

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

### Do 研线课堂 or CurateLit have ads?

Neither 研线课堂 nor CurateLit shows ads.

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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.*