It's a free app loved by millions. Is Duolingo wasting your time? by Fluent Language
Did they just significantly increase the price of Duolingo Plus? I just got notified of a limited time 50% discount on Plus, but it looks like they're suggesting it's normally $155/year instead
Duolingo: What do we really want from this popular, ineffective app?
How Duolingo increased conversion and retention with a new pricing tier
The Art of Navigating Tradeoffs. Balancing user engagement, revenue…, by Osman Mansur, The Aspiring Product Manager
Super Duolingo Review (UPDATED 2023) - Is The Premium Tier Worth It? - duoplanet
How Duolingo Built a $700 Million Company Without Charging Users
Super Duolingo Review (UPDATED 2023) - Is The Premium Tier Worth It? - duoplanet
How Does Duolingo Make Money? Duolingo Business Model In A Nutshell - FourWeekMBA
To Charge or Not to Charge for Generative AI Features - Different Approaches Emerge
Duolingo Super {Duolingo Plus} Cost in 2023: Is it Worth the Money? • Happily Ever Travels
Duolingo Max Review (2023): How Much is It? Is It Any Good? - History-Computer
Duolingo, the (ineffective) number one language learning app in the world that is making millions!, by Céline Guerreiro