The best alternative is Coursera , which is free. Other great apps like Khan Academy are Codecademy (Freemium), edX (Free), Udemy (Paid) and SoloLearn (Freemium).
Read moreWho pays for Khan Academy?
Funding. Khan Academy is a 501(c)(3) nonprofit organization, mostly funded by donations coming from philanthropic organizations . On its IRS form 990, the organization reported $31 million in revenues in 2018 and $28 million in 2019, including $839,000 in 2019 compensation for Khan as CEO.
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