Comparison

Bootstrap vs Stencil

On the evidence we track, Bootstrap leads this comparison with a composite score of 71/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Bootstrap full profile →Stencil full profile →

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★Bootstrap71

Stencil61

Attribute comparison across 2 tools
Attribute	BootstrapLeader	Stencil
Vioscale score	71 / 100medium · 73%	61 / 100medium · 71%
Pricing
Free tierpricing.free_tier	✓	-
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	free	-
Transparentpricing.transparent	✓	-
Security
Scorecardsecurity.scorecard	7	6.1
Vulnerabilitiessecurity.vulnerabilities	Count: 12 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=bootstrap&per_page=100 · Last 12m: 0 · Max severity: MODERATE	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=sam77-test-stencil-component&per_page=100 · Last 12m: 0
Adoption
Dependent reposadoption.dependent_repos	874,564	1
Github starsadoption.github_stars	174,650	13,126
Package downloads weeklyadoption.package_downloads_weekly	6,450,171	1,375,018
Activity
Commits last 30dactivity.commits_last_30d	14	37
Release
Cadence daysrelease.cadence_days	49	9
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	MIT
Language
Primarylanguage.primary	MDX	TypeScript
Content
Faqcontent.faq	8 items	-

Score

Vioscale score

Bootstrap71 / 100medium · 73%

Stencil61 / 100medium · 71%

Pricing

Free tier

Bootstrap✓

Stencil–

Model

Bootstrapcommercial

Stencilcommercial

Price level

Bootstrapfree

Stencil–

Transparent

Bootstrap✓

Stencil–

Security

Scorecard

Bootstrap7

Stencil6.1

Vulnerabilities

BootstrapCount: 12 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=bootstrap&per_page=100 · Last 12m: 0 · Max severity: MODERATE

StencilCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=sam77-test-stencil-component&per_page=100 · Last 12m: 0

Adoption

Dependent repos

Bootstrap874,564

Stencil1

Github stars

Bootstrap174,650

Stencil13,126

Package downloads weekly

Bootstrap6,450,171

Stencil1,375,018

Activity

Commits last 30d

Bootstrap14

Stencil37

Release

Cadence days

Bootstrap49

Stencil9

History

Bootstrap20 items

Stencil20 items

License

Spdx

BootstrapMIT

StencilMIT

Language

Primary

BootstrapMDX

StencilTypeScript

Content

Faq

Bootstrap8 items

Stencil–

Capabilities

Feature-by-feature on the axes that matter for frontend ui frameworks. “-” means undocumented, not absent.

Capability comparison for Frontend UI Frameworks
Capability	Bootstrap	Stencil
Core
Paradigm	CSS and JavaScript component library	Web component compiler
Reusable component model	✓	✓
Rendering
Virtual DOM	-	✓
Signals / fine-grained reactivity	-	-
SSR support	-	-
DX
First-class TypeScript	-	✓
State
Built-in state management	-	-
Ecosystem
Official router	-	-
Performance
Runtime size	Small (10–40kb)	Tiny (<10kb)

Core

Paradigm

BootstrapCSS and JavaScript component library

StencilWeb component compiler

Reusable component model

Bootstrap✓

Stencil✓

Rendering

Virtual DOM

Bootstrap-

Stencil✓

Signals / fine-grained reactivity

Bootstrap-

Stencil-

SSR support

Bootstrap-

Stencil-

First-class TypeScript

Bootstrap-

Stencil✓

State

Built-in state management

Bootstrap-

Stencil-

Ecosystem

Official router

Bootstrap-

Stencil-

Performance

Runtime size

BootstrapSmall (10–40kb)

StencilTiny (<10kb)

What each one is

The product in its own terms, so the numbers below have context.

Bootstrap

Leader

Bootstrap is a front-end framework and library that provides pre-built HTML components, CSS styling utilities, and JavaScript plugins for constructing modern web applications. It simplifies responsive design with a grid system and standardized UI components.

Independently observed

Stencil

A TypeScript-based framework for authoring standards-compliant web components and component libraries that run on any browser or framework without framework dependencies.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Bootstrap

Leader

FreeFree tier

Free and open source

as of 2026-08-14verify ↗

Stencil

Pricing not documented yet.

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Bootstrap	Stencil
WebPlatforms	✓	✓
CLIPlatforms	✗	✓
Cloud / SaaSDeployment	✓	-

Platforms

Web

Bootstrap✓

Stencil✓

CLI

Bootstrap✗

Stencil✓

Deployment

Cloud / SaaS

Bootstrap✓

Stencil–

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.