It is free to download and use the Lumen app for both Android and Apple users. All of its main features are available even for standard users, making it budget friendly. However, although the app allows everyone to use its features, there are limitations to how much you can enjoy.
Standard users are only given five free new conversations every day. If you want to exceed the five, you can opt to upgrade to premium. Lumen premium will not give you unlimited conversations. It only gives you a few extra conversations every day.
Premium also gives you the privilege to access the list of people who have added you to their favorites. Keeping conversations can last for three days for those who have upgraded their membership. If you want to upgrade your account, both the Apple Store and the Play Store offer in-app purchases for the subscription plans.
The cost for its subscription is a bit confusing though. In the app itself, you will not find a list of its prices, but its FAQs section suggests that there are different premium plans for the app.