Mendix vs Retool: Complete Comparison 2026
An in-depth comparison of features, pricing, and user experience to help you make the right choice.
Mendix
8.2(1,200 reviews)
Enterprise low-code platform backed by Siemens for building multi-experience applications with model-driven development.
Retool
8.5(1,800 reviews)
Low-code platform for building internal business tools with drag-and-drop components and direct database connections.
Quick Comparison
| Aspect | Mendix | Retool |
|---|---|---|
| Best For | Manufacturing and industrial companies leveraging Siemens IoT | Engineering teams building internal admin panels and dashboards |
| Pricing Model | Freemium | Freemium |
| Starting Price | Free | Free |
| Deployment | cloud, on premise, hybrid | cloud, self hosted |
| Platforms | WEB, IOS, ANDROID | WEB |
| Rating | 8.2/10 | 8.5/10 |
Pros & Cons
Mendix
Pros
- Model-driven approach enables both pro developers and citizen developers on one platform
- Siemens backing provides unique IoT and industrial manufacturing integration
- Multi-experience: native mobile, web, PWA, and chatbots from one model
- Cloud-native on Kubernetes with deployment to any cloud provider
- Free tier allows genuine development and testing before enterprise commitment
Cons
- Enterprise pricing starts around $50K+ annually — not for small businesses
- Model-driven development has a learning curve even for experienced developers
- Vendor lock-in — applications are tied to the Mendix platform
- Smaller community than Bubble for general-purpose application development
- Performance for very complex apps may require optimization
Retool
Pros
- Developers actually enjoy using it — embraces code (SQL, JS, Python) alongside visual builder
- Direct database connections mean tools always show current data
- Self-hosted option gives full data control for security-conscious organizations
- Build production-ready internal tools in hours instead of weeks
- 20,000+ companies including Amazon and DoorDash validate enterprise readiness
Cons
- Designed for internal tools — not suitable for customer-facing applications
- Learning curve requires basic coding knowledge (SQL at minimum)
- Complex applications can become hard to maintain in the visual builder
- Pricing per user adds up for large teams
- Mobile experience for end users is functional but not native
Pricing Comparison
| Product | Pricing Model | Starting Price |
|---|---|---|
| Mendix | freemium | Free0 |
| Retool | freemium | Free0 |
Our Verdict
Choose Mendix if...
Manufacturing and industrial companies leveraging Siemens IoT
Choose Retool if...
Engineering teams building internal admin panels and dashboards
Still Not Sure?
Explore more alternatives or read in-depth reviews to make your decision.