Only the current version so far — new entries appear as the app ships updates.
Exchange Rates (fxrate.io) is a finance app by Dimitris Economou with 10,000+ downloads (about 21K estimated). +2 installs in the last 7 days. Released Oct 28, 2017. Install growth, rank history, SDKs and ad networks.
From the store listing: “FX rates, crypto, metals”