Tiered leagues are common in competitive apps: players climb from lower to higher ranks as they improve. In reading apps, “Bronze to Diamond” style tiers map your League Points (LP) to bands so you can compare fairly within a skill bracket.
In Libriv
You earn LP from activity, see your tier (e.g. Gold), and can switch views like Global vs. My League—similar to the leaderboard section on our site. The exact thresholds are tuned in the app; the important part is consistent reading beats occasional spikes.
Try Libriv: Home · Google Play