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SPECIFICTION
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FlutterFlow vs REI3

FlutterFlow

flutterflow.io

REI3

rei3.de

Side by side

FigureFlutterFlowREI3
Price from$39/mo€3.50/mo
Free planYesYes
Free trial——
Open source——
WebYesYes
WindowsYesYes
macOSYes—
LinuxYesYes
iOSYesYes
AndroidYesYes
API—Yes
Self-hosted—Yes
Plans published47
Spec score · No-code app builders9.1 (#12)8.8 (#30)
API integrationsYesYes
App typesbothweb
DeploymentThe product page says apps can be deployed to the App Store, Play Store, and web, and code can be exported.REI3 can be hosted on-premise or in the cloud, and its applications are accessed from devices with a modern browser.
Free planYesYes
IntegrationsThe product page lists integrations covering AI, payments, search, notifications, databases, maps, and deployment.Connectors include REST APIs, LDAP and Active Directory, OpenID Connect, SMTP, IMAP, and calendar data via ICS.
SupportThe plan comparison lists account and billing support and community support; email and in-app support are also listed for paid plans.The free offering lists contact-form support with best-effort response, while Professional lists email support with a one-work-day response time.
User authenticationYesYes

Plans

FlutterFlow

  • FreeFree
  • Basic$39 a month
  • GrowthPrice not published
  • BusinessPrice not published

FlutterFlow pricing →

REI3

  • FreeFree
  • REI3 Professional (1–10 users)€5.50 a month
  • REI3 Professional (11–25 users)Price not published
  • REI3 Professional (26–50 users)€4.50 a month
  • REI3 Professional (51–100 users)Price not published
  • REI3 Professional (101+ users)€3.50 a month
  • REI3 Professional€3.50 a month

REI3 pricing →

In their own words

FlutterFlow

FlutterFlow is a visual development platform for building customized apps. It offers more than 200 configurable UI elements and an Action Flow Editor for adding app logic. Projects can connect to Firebase, Supabase, or custom backends through REST APIs, and users can extend them with custom Dart functions, Flutter widgets, and Google Cloud Functions. Collaboration features include team editing, feedback links, branching, and sharing UI components across projects. For testing, the platform offers real-device Local Run, automated project tests, and a Debug Panel. Apps can be deployed to the App Store, Play Store, and web, and code can be exported. FlutterFlow provides desktop apps for macOS and Windows. The free plan allows up to two projects, includes 10 Lite credits, and allows up to two API endpoints. Basic costs $39 a month and includes unlimited projects, code and APK downloads, custom-domain publishing, and 100 Lite credits per month.

Visit flutterflow.io

REI3

REI3 has no write-up on Specifiction yet; its figures are above.

Visit rei3.de