Ten years ago WhatsApp was a paid app on the App Store. They changed it to an annual subscription model (with plenty of loopholes to skip the payment), and then

Ten years ago WhatsApp was a paid app on the App Store. They changed it to an annual subscription model (with plenty of loopholes to skip the payment), and then about 6 years ago they finally made it free. Announcement of changing from upfront paid to subscription: https://blog.whatsapp.com/i-phone-v2-10-1-release-notes https://blog.whatsapp.com/i-phone-v2-10-1-release-notes Announcement of removing the subscription altogether: https://blog.whatsapp.com/making-whats-app-free-and-more-useful https://blog.whatsapp.com/making-whats-app-free-and-more-use...