# 课桌 vs OpenFlat

The clearest difference is rating: OpenFlat at 5.0 against 课桌's 3.0. 课桌's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (11.0 vs 13.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. 课桌 sells 8 one-off in-app purchases and OpenFlat sells 10 in-app purchases, starting at $49.99 per month. Whichever you choose, the download price is not the number that matters.

OpenFlat holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

课桌 ships an update every 3 weeks, OpenFlat every 2 weeks. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 课桌 | OpenFlat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/id1448023060/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/openflat/id6756606310/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 135 MB | 81 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shaoxing X Blackboard Network Technology Co., Ltd.](https://appshunter.io/developer/1465214642) | [柳 杨](https://appshunter.io/developer/1734826226) |

## What reviewers say

### 课桌

[App page](https://appshunter.io/ios/app/id1448023060)

This platform enables seamless online teaching and learning with features like instant class creation, interactive whiteboards, and session playback. It supports various file formats for course materials and offers robust permission controls for a structured educational environment.

**Highlights:** One-click class creation and recording, Multi-user interactive whiteboard, Session and whiteboard playback, Clear voice and video communication, Upload and annotate course materials, Advanced permission and student management

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30课桌币 | $3.99 | one-time |
| 45课桌币 | $5.99 | one-time |
| 78课桌币 | $9.99 | one-time |
| 98课桌币 | $14.99 | one-time |
| 198课桌币 | $29.99 | one-time |
| 298课桌币 | $39.99 | one-time |
| 518课桌币 | $69.99 | one-time |
| 998课桌币 | $149.99 | one-time |


### OpenFlat

[App page](https://appshunter.io/ios/app/openflat/id6756606310)

This app provides an online teaching platform for individual instructors, featuring interactive whiteboards, audio/video communication, presentation tools, and recording capabilities. Users can easily join, create, and schedule virtual classrooms. It aims to be the preferred tool for online educators.

**Highlights:** Multi-person online whiteboard, Audio and video communication, PPT presentation with animations, Room recording and playback, Screen sharing, Room creation, joining, and scheduling

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenFlat 高级版连续包月 | $49.99 | per month |
| OpenFlat 基础版连续包年 | $79.99 | per year |
| OpenFlat 课次购买 | $0.99 | one-time |
| OpenFlat 基础版一个月 | $6.99 | one-time |
| OpenFlat 专业版一个月 | $22.99 | one-time |
| OpenFlat 高级版一个月 | $49.99 | one-time |
| OpenFlat 基础版十二个月 | $79.99 | one-time |
| OpenFlat 专业版十二个月 | $249.99 | one-time |
| OpenFlat 高级版十二个月 | $599.99 | one-time |
| OpenFlat 畅享版 | $900.00 | one-time |


## Frequently asked questions

### Is 课桌 free?

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

### Is OpenFlat free?

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

### Which has better reviews, 课桌 or OpenFlat?

OpenFlat is rated higher. 课桌 averages 3.0 out of 5 from 2 ratings, while OpenFlat averages 5.0 from 2 ratings.

### Do 课桌 or OpenFlat have ads?

Neither 课桌 nor OpenFlat shows ads.

### Which is updated more often, 课桌 or OpenFlat?

课桌 ships an update every 3 weeks, and OpenFlat every 2 weeks. Most recently, 课桌 was updated on October 4, 2026 and OpenFlat on October 16, 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.*