Comparison

开课云 vs OpenFlat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

★ 5.02 ratingsView app →

About

开课云

Features

Read full description

开课云是面向小微教育机构的线上教学平台。支持多种教学场景：一对一、小班课、大班课、双师课堂、万人公开课。支持各种终端，全平台同步上课。

About

OpenFlat

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

Read full description

OpenFlat 是为个人老师设计的在线授课软件，支持多人在线白板互动、音视频交流、PPT 演示（包含动画效果）、房间录制和回放、屏幕共享等，个人用户可以直接通过微信、手机号验证码登录，登录成功后就可以方便的加入、创建、预定房间。目前我们仍然在持续优化产品体验，我们希望 OpenFlat 可以成为个人教师在线上课首选的教学工具。如果遇到使用问题，欢迎邮箱反馈：support@openflat.tech

Screenshots

开课云4 screens

OpenFlat3 screens

Verdict

The call

The clearest difference is in-app purchases: 开课云 at none against OpenFlat's 10. 开课云 also leads on iOS requirement (9.0 vs 13.0). OpenFlat's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OpenFlat sells 10 in-app purchases, starting at $49.99 per month. 开课云 asks for nothing beyond the download.

UpkeepUpdate frequency

开课云 ships an update every 6 weeks, OpenFlat every 2 weeks. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 6 level

开课云 versus OpenFlat: the parameters behind the verdict, then further details
Parameter	开课云	OpenFlat
Price	Free	Free
Rating	—	5.0 (2 ratings) — better
Number of ratings	—	2 — better
Update frequency	Every 6 weeks	Every 2 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free with in-app purchases
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0 — better	13.0
Further details — not scored
Size	30 MB	81 MB
Age rating	4+	4+
Developer	HangZhou InConnect Technology Inc.	柳杨

In-app purchases

None

开课云

No in-app purchases

10 purchases

OpenFlat

Subscriptions2

OpenFlat 高级版连续包月$49.991 Month
OpenFlat 基础版连续包年$79.991 Year

One-time8

OpenFlat 课次购买$0.99
OpenFlat 基础版一个月$6.99
OpenFlat 专业版一个月$22.99

Show 5 more

OpenFlat 高级版一个月$49.99
OpenFlat 基础版十二个月$79.99
OpenFlat 专业版十二个月$249.99
OpenFlat 高级版十二个月$599.99
OpenFlat 畅享版$900.00

Questions

Is 开课云 free?

开课云 is free to download, with no in-app purchases.

Is OpenFlat free?

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

Do 开课云 or OpenFlat have ads?

Neither 开课云 nor OpenFlat shows ads.

Which is updated more often, 开课云 or OpenFlat?

开课云 ships an update every 6 weeks, and OpenFlat every 2 weeks. Most recently, 开课云 was updated on September 17, 2026 and OpenFlat on September 13, 2026.