# 同步学 vs 深i学

The clearest difference is ads: 同步学 at none against 深i学's shown. 同步学 also leads on update cadence (fortnightly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

同步学 ships an update fortnightly, 深i学 every 3 months. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 同步学 | 深i学 |
| --- | --- | --- |
| 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 | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 343 MB | 862 MB |
| Requires iOS | 13 | **12.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市方直科技股份有限公司](https://appshunter.io/developer/1018642637) | [深圳开放大学](https://appshunter.io/developer/1595048441) |

## What reviewers say

### 同步学

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

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

**In-app purchases:** none


### 深i学

[App page](https://appshunter.io/ios/app/i/id1595048439)

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

**In-app purchases:** none


## Frequently asked questions

### Is 同步学 free?

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

### Is 深i学 free?

深i学 is free to download, with no in-app purchases.

### Do 同步学 or 深i学 have ads?

深i学 shows ads; 同步学 does not.

### Which is updated more often, 同步学 or 深i学?

同步学 ships an update fortnightly, and 深i学 every 3 months. Most recently, 同步学 was updated on September 25, 2026 and 深i学 on September 10, 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.*