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[ja draft] Reference guide
[ja draft] App builders tools
Visual and AI-assisted builders for web apps, landing pages, internal tools, and simple SaaS workflows.
LV
Lovable
Prompt-to-app builder for fast web product prototypes.
Vibe-coding platforms
App builders
Lovable is a vibe-coding platform aimed at turning product descriptions into editable web app prototypes. It is useful for founders who want a visible first version before deciding how much custom engineering is needed.
[ja draft] 4.6 from 128
[ja draft] Freemium
[ja draft] Best for
Fast prototypesLanding-to-app experimentsNon-technical founders
B4
Base44
AI app platform for creating internal tools and SaaS-like workflows.
Vibe-coding platforms
App builders
Base44 focuses on turning prompts into usable applications with backend-like behavior. It can be helpful when a vibecoder needs a structured prototype rather than only static screens.
[ja draft] 4.3 from 74
[ja draft] Freemium
[ja draft] Best for
Internal toolsWorkflow MVPsOperations dashboards