# 同步学 vs 关键词教育

The clearest difference is in-app purchases: 关键词教育 at none against 同步学's 10. 同步学's advantage is update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 同步学 sells 10 one-off in-app purchases. 关键词教育 asks for nothing beyond the download.

同步学 ships an update fortnightly, 关键词教育 every 2 months. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 同步学 | 关键词教育 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (94 ratings)](https://appshunter.io/ios/app/id1216626596/reviews)** | — |
| Number of ratings | **94** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 343 MB | 60 MB |
| Requires iOS | 13 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市方直科技股份有限公司](https://appshunter.io/developer/1018642637) | [前海乔希 (深圳)教育科技有限公司](https://appshunter.io/developer/1384365073) |

## What reviewers say

### 同步学

[App page](https://appshunter.io/ios/app/id1216626596)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 【外研新视角】配套英语VIP会员12个月 | $39.99 | one-time |
| 【湘少版】配套超级VIP会员+作文12个月 | $39.99 | one-time |
| 【粤教沪外版】配套超级VIP会员12个月 | $39.99 | one-time |
| 【粤教沪外版】配套超级会员+作文12个月 | $39.99 | one-time |
| 【粤教沪外版】配套英语VIP会员12个月 | $39.99 | one-time |
| 【重大版】配套超级VIP会员12个月 | $39.99 | one-time |
| 【重大版】配套超级会员+作文12个月 | $39.99 | one-time |
| 【重大版】配套英语VIP会员12个月 | $39.99 | one-time |
| 【粤教沪外版】配套超级VIP会员24个月 | $69.99 | one-time |
| 【重大版】配套超级VIP会员24个月 | $69.99 | one-time |


### 关键词教育

[App page](https://appshunter.io/ios/app/id1551801302)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 同步学 free?

同步学 is free to download, with in-app purchases available.

### Is 关键词教育 free?

关键词教育 is free to download, with no in-app purchases.

### Do 同步学 or 关键词教育 have ads?

Neither 同步学 nor 关键词教育 shows ads.

### Which is updated more often, 同步学 or 关键词教育?

同步学 ships an update fortnightly, and 关键词教育 every 2 months. Most recently, 同步学 was updated on October 15, 2026 and 关键词教育 on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*