Only the current version so far — new entries appear as the app ships updates.
RBX Counters - Get Rbux Calc is a tools app by TechnoPlus Solution with 10,000+ downloads (about 48K estimated). +48K installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “RBX calculators, conversions, quizzes and useful tools in one app.”