Yes, both CloudBoost and SmartDB offer a Free Trial.
CloudBoost is designed for Large Enterprises, Medium Business and Small Business.
SmartDB is designed for Medium Business and Small Business.
The starting price of SmartDB begins at $12/Month, while pricing details for CloudBoost are unavailable.
Some top alternatives to CloudBoost includes Azure Mobile Apps, Kumulos, Apps Panel, Backendless, Back4App, Hasura, cloudbase.io, brainCloud, CodeMash and Altogic.
Some top alternatives to SmartDB includes SingleStore, DigitalOcean MySQL, YugabyteDB, CloudBoost, cloudbase.io, brainCloud, XServer, Exasol and ScalableSpace.