Yes, both Refraction and EZQL offer a Free Trial.
Pricing for Refraction Starts at $8/month whereas for EZQL Starts at $20/month.
Refraction offers several advantages, including Generates and refactors code, Creates unit tests, Generates documentation, Supports 56 programming languages, Trusted by big companies and many more functionalities.
The cons of Refraction may include a Limited to 56 languages, Subscription model, Requires internet connection, Limited number of free uses. and Limited amount of code generation
EZQL offers several advantages, including User-friendly database interface, No SQL writing required, In-line data editing, Blocks of SQL queries, Shareable queries and many more functionalities.
The cons of EZQL may include a Mac only, No Oracle DB support, Embeddable charts not available, Templates not yet implemented. and No offline mode