# REI3 vs Retool — Fit & Features

Canonical: https://trutool.co/compare/rei3-vs-retool
Author: Asmit (https://trutool.co/authors/asmit)

Compare REI3 and Retool by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### REI3
Open and low-code development with REI3. Free to use and easy to install on your own systems - anyone can meet their business software needs with REI3.
Best fit: People and teams evaluating no-code & app builders for a specific workflow.
- Core product workflow
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://rei3.de/home_en
- [Read REI3 profile](https://trutool.co/tools/rei3): Read REI3 profile

### Retool
Build internal business applications.
Best fit: Founders and teams building applications considering Retool for this job: Build internal business applications.
- Build internal business applications
Before you choose: Test data model limits, permissions, extensibility, deployment, and application portability in the exact plan you intend to use.
Pricing: https://retool.com
- [Read Retool profile](https://trutool.co/tools/retool): Read Retool profile