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App Builder Index

Internal tools platform · Ranked 9 of 37

Retool

The internal tools standard, priced for companies that have an engineering budget

Specification

CategoryInternal tools platform
Founded2017
Cheapest paid plan10 EUR
Free tierYes
Pricing modelFree tier for small teams, paid plans priced per user from about 10 EUR per user per month
Official siteretool.com
Community ratings104
Last verified
Next scheduled check

Capabilities

CapabilityStatus
Full-stack backendYes, connects to yours
Database includedNo, bring your own
Auth includedYes, with SSO and granular permissions
Code exportPartial, apps as JSON in Git
GitHub syncYes, source control on paid plans
One-click deployYes, or self-host
Custom domainYes, paid plans
Mobile or native outputRetool Mobile
Team collaborationYes, with review and staging
Public API or MCP serverYes, extensive API and MCP support
Self-hosting the outputYes, this is a supported path

Axis scores

Reliability16%
4.6
Integrations16%
4.7
SEO and GEO13%
2.5
Design quality12%
3.7
Agent performance10%
3.6
Speed9%
4.0
Value9%
3.4
Scalability7%
4.5
API and MCP access5%
4.4
Code ownership3%
3.4

Every axis is scored from 0 to 5 stars. The percentage is that axis's published weight in the overall 3.9 rating.

Interface

Screenshot of the Retool landing page, captured by App Builder Index
The Retool landing page as captured at our last verification.

Our assessment in one line

The most professionally engineered product in this index, and priced accordingly. Retool takes the top marks on integrations at 4.7 and reliability at 4.6 because it connects to real databases with real credentials, has genuine source control and can be self-hosted when compliance demands it. The AI features are useful rather than transformative. Per-user pricing gets expensive fast and the learning curve assumes you know SQL. If you have engineers and internal tooling debt, this is the answer.

The full review has the verdict, the dissenting view and 104 user ratings