With The Right Educational App Business Model, You Can Be The Next Best Edtech Business. While eLearning apps and websites were still around before the pandemic, it was only during and after the pandemic that real use of the technology was realized. This is the reason why E-learning increases retention rates by 25% to 60%. This isn’t just something students use but also large corporate’s favorite learning tools, as 99% of businesses used it in their programs in 2020.