# 预知来 vs 优学倍增

The clearest difference is in-app purchases: 优学倍增 at none against 预知来's 10. 优学倍增 also leads on ads (none vs shown). 预知来's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (12.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. 预知来 sells 10 one-off in-app purchases. 优学倍增 asks for nothing beyond the download.

预知来 ships an update every 3 weeks, 优学倍增 every 2 months. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 预知来 | 优学倍增 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1445374081/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 68 MB | 37 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [杭州延丰网络科技有限公司](https://appshunter.io/developer/1343050435) | [上海乐醒教育科技有限公司](https://appshunter.io/developer/1322202255) |

## What reviewers say

### 预知来

[App page](https://appshunter.io/ios/app/id1445374081)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 18知识币 | $2.99 | one-time |
| 68知识币 | $9.99 | one-time |
| 98知识币 | $14.99 | one-time |
| 168知识币 | $25.99 | one-time |
| 208知识币 | $30.99 | one-time |
| 258知识币 | $39.99 | one-time |
| 328知识币 | $49.99 | one-time |
| 388知识币 | $59.99 | one-time |
| 518知识币 | $79.99 | one-time |
| 998知识币 | $149.99 | one-time |


### 优学倍增

[App page](https://appshunter.io/ios/app/id6444923629)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 预知来 free?

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

### Is 优学倍增 free?

优学倍增 is free to download, with no in-app purchases.

### Do 预知来 or 优学倍增 have ads?

预知来 shows ads; 优学倍增 does not.

### Which is updated more often, 预知来 or 优学倍增?

预知来 ships an update every 3 weeks, and 优学倍增 every 2 months. Most recently, 预知来 was updated on October 11, 2026 and 优学倍增 on October 17, 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.*