# 乐学培优 vs 潮汐表

The clearest difference is device support: 乐学培优 at 3 against 潮汐表's —. 潮汐表's advantage is iOS requirement (11.0 vs 13.0). On price and in-app purchases there is nothing between them.

Both are free to download. 乐学培优 sells 10 one-off in-app purchases and 潮汐表 sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 乐学培优 | 潮汐表 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/id1291249676/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Size | 117 MB | 68 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [江苏乐学在线智能科技有限公司](https://appshunter.io/developer/1645813629) | [红敏 孙](https://appshunter.io/developer/1670809222) |

## What reviewers say

### 乐学培优

[App page](https://appshunter.io/ios/app/id1291249676)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6个乐钻 | $0.99 | one-time |
| 18个乐钻 | $2.99 | one-time |
| 68个乐钻 | $9.99 | one-time |
| 118个乐钻 | $17.99 | one-time |
| 318个乐钻 | $48.99 | one-time |
| 518个乐钻 | $79.99 | one-time |
| 818个乐钻 | $124.99 | one-time |
| 1398个乐钻 | $209.99 | one-time |
| 1998个乐钻 | $299.99 | one-time |
| 2298个乐钻 | $349.99 | one-time |


### 潮汐表

[App page](https://appshunter.io/ios/app/and/id6446059214)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 潮汐地震助手：周度高级专业版服务订阅 | $0.99 | per 7 days |
| 潮汐地震助手：季度高级专业版服务订阅 | $3.99 | per 3 months |


## Frequently asked questions

### Is 乐学培优 free?

乐学培优 is free to download, with in-app purchases available.

### Is 潮汐表 free?

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

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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.*