# 在线互动课堂 vs SyncFlow

The clearest difference is in-app purchases: 在线互动课堂 at none against SyncFlow's 1. 在线互动课堂 also leads on iOS requirement (10.0 vs 13.0). SyncFlow's advantage is update cadence (every 2 weeks vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. SyncFlow sells 1 one-off in-app purchase. 在线互动课堂 asks for nothing beyond the download.

在线互动课堂 ships an update monthly, SyncFlow every 2 weeks. The most recent releases landed on October 15, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 在线互动课堂 | SyncFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id1496938686/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 90 MB | 41 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [XINTUOYUN (BEIJING) TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1239443308) | [ying lu](https://appshunter.io/developer/1468140588) |

## What reviewers say

### 在线互动课堂

[App page](https://appshunter.io/ios/app/id1496938686)

**In-app purchases:** none


### SyncFlow

[App page](https://appshunter.io/ios/app/syncflow-devices-data-sync/id6756533958)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $6.99 | one-time |


## Frequently asked questions

### Is 在线互动课堂 free?

在线互动课堂 is free to download, with no in-app purchases.

### Is SyncFlow free?

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

### Do 在线互动课堂 or SyncFlow have ads?

Neither 在线互动课堂 nor SyncFlow shows ads.

### Which is updated more often, 在线互动课堂 or SyncFlow?

在线互动课堂 ships an update monthly, and SyncFlow every 2 weeks. Most recently, 在线互动课堂 was updated on October 15, 2026 and SyncFlow on October 28, 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.*