Tardis.dev is described as 'The most granular data for cryptocurrency markets — tick-level L2 & L3 order book updates, tick-by-tick trades, quotes, open interest, funding rates, liquidations, options chains and more' and is an app in the bitcoin & cryptocurrency category. There are more than 10 alternatives to Tardis.dev for Web-based, SaaS, Android, iPhone and Windows. The best Tardis.dev alternative is CoinMarketCap, which is free. Other great apps like Tardis.dev are CoinWatch, Coingecko, Cryptocurrency Price Notification and Coinranking.com.