Tweaker is a public cloud cost analysis and optimization engine developed by Ultrapower. It can centrally display cloud resources and costs across accounts, regions, and products, provide multi-dimensional statistical analysis, can customize rules to split cloud costs into units, departments, or application systems, and can give practical cost optimization suggestions in terms of models, reservations, and traffic. The product aims to help customers improve billing insight, plan and review cloud expenses, and reduce cloud usage and management costs.