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Ease of use3Features3Value for money3Performance3Support3Privacy & security3

	VietJack	Khan Academy Best match for you
Your score	6.8	8.3
AppDuo score	6.8	8.3
Ease of use	7.0	8.3
Features	7.0	8.6
Value for money	7.5	9.4
Performance	6.5	7.8
Support	6.5	7.0
Privacy & security	6.5	8.6
Starts at	₫250,000/mo	$4.00/mo
Free plan
Free trial	—	—
Web
iOS
Android
Windows
macOS
Linux
Works offline
Public API
Self-hostable
Open source
AI features
Real-time collaboration
End-to-end encryption
Templates
Integrations
Mobile app
Launched	2018	2008
Developer	Công ty TNHH Đầu tư và Dịch vụ Giáo dục VIETJACK	Khan Academy, Inc.
Best for	Grade 1-12 students who need textbook and workbook solutions and practice exams Teachers who need lesson plans, exams and tools to build and shuffle tests	Students self-studying maths, science and economics with videos and exercises that give feedback Teachers who want a free AI lesson-planning assistant Parents who want ad-free material for their children

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