Side by side
Decisions vs Drools
Both stand on business rules management software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidAPIiPhone+3
Decisions brings workflow design, AI orchestration, and process monitoring into one platform. Its deployment options and listed integrations cover a range of organizational environments, while pricing details require contacting the company.
Visit Decisions Free plan APILinuxSelf-hosted
Drools provides multiple rule-authoring paths alongside DMN and event-processing capabilities. Developers should account for the listed prerequisites and Apache KIE’s incubation status.
Visit DroolsThe facts
| Decisions | Drools | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, API, iPhone, Self-hosted, Web, Windows | API, Linux, Self-hosted |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 3 | 1 |
| Maker | Decisions | Not published |
| Website | decisions.com | kie.apache.org |
| On business rules management software | #1 of 18 | #4 of 18 |
Decisions: what it does well
- Visual workflow design with rules and approvals
- AI agents can run within governed workflows
- Connectors include Salesforce, Slack, Jira, and OpenAI
- Supports cloud, hybrid, and on-premise deployment
What to know first
- Paid pricing is available on request
- Advanced security and dedicated support require a custom plan
Drools: what it does well
- DMN engine covers all features at Conformance level 3
- Supports stream processing with temporal operators and sliding windows
- Rules can be authored in several formats
- Free Apache software
What to know first
- Requires an IDE, JDK 21 or 17, and Maven 3.9 or later
- Apache KIE is still in incubation
Alternatives to Decisions Alternatives to Drools The whole list

