vioscaleAI
Comparison

Prettier vs Qlty

On the evidence we track, Prettier leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Prettier full profile →Qlty full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Prettier80
Qlty54
Score
vioscaleAI score
Prettier80 / 100high · 78%
Qlty54 / 100low · 49%
Pricing
Free tier
Prettier✓
Qlty✓
Model
Prettiercommercial
Qltyfreemium
Price level
Prettierfree
Qltymid
Starting price
Prettier–
Qlty$20
Transparent
Prettier✓
Qlty✓
Integrations
Count
Prettier19
Qlty6
Security
Certifications
Prettier–
QltySOC 2 Type II
Scorecard
Prettier6
Qlty–
Soc2
Prettier–
Qlty✓
Vulnerabilities
Reliability
Status page
Prettier–
Qlty✓
Adoption
Dependent repos
Prettier1,703,312
Qlty0
Github stars
Prettier52,446
Qlty3,186
Package downloads weekly
Prettier139,976,809
Qlty–
Activity
Commits last 30d
Prettier100
Qlty45
Release
Cadence days
Prettier5
Qlty2
History
Prettier20 items
Qlty20 items
License
Spdx
PrettierMIT
Qlty–
Language
Primary
PrettierJavaScript
QltyC
Market
Availability
Content
Faq
Prettier6 items
Qlty7 items

Capabilities

Feature-by-feature on the axes that matter for code quality tools. “-” means undocumented, not absent.

Core
Function
PrettierFormatter
QltyQuality platform
Language scope
PrettierMulti-language
QltyMulti-language
Implementation language
PrettierJavaScript
QltyRust
Capability
Autofix
Prettier✓
Qlty✓
Config
Config model
PrettierConfig file
QltyConfig file
Extensibility
Custom rules
Prettier✗
Qlty✓
Deployment
Deployment
PrettierCLI-local
QltyBoth
Delivery
Editor integration
Prettier✓
Qlty✓
CI / VCS gating
Prettier✓
Qlty✓
Insight
Code metrics
Prettier✗
Qlty✓
Performance
Incremental / monorepo aware
Prettier✓
Qlty✓
Licensing
Open-source
PrettierOSS
QltyOpen-core
Commercial
Pricing model
PrettierFree
QltyPer-contributor

What each one is

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

Prettier

Leader

An automatic formatting tool that parses code and reformats it according to opinionated style rules, adjusting wrapping based on line length constraints.

Independently observed

Qlty

A code quality and coverage platform combining linting, auto-formatting, security scanning, duplication detection, and code coverage analysis with AI-powered fix suggestions, deployed as a cloud service with a local CLI.

Independently observed

Pricing

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

Prettier

Leader
Open sourceFree tier

Free and open source

as of verify ↗

Qlty

from $20/contributor/moHybridFree tier

Free plan available. Pro from $20/contributor/month. Enterprise $30/contributor/month with volume discounts (5% off 100+ seats, 10% off 200+ seats annually).

  • FreeFree
    • Linting & auto-formatting
    • Code coverage
    • Maintainability & duplication
    • Open, extensible Rust CLI
    • Unlimited private/public contributors
    • +1 more
  • Pro$20/contributor/month
    • Everything from Free
    • Shared configurations
    • Trends & hotspots
    • One year of history
    • Accelerated analysis
    • +10 more
  • EnterpriseContact sales
    • Everything from Pro
    • Advanced analytics
    • Organization policies
    • Custom permissions
    • Audit logs
    • +6 more
as of verify ↗

Platform & deployment

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

Platforms
Web
Prettier✓
Qlty✓
macOS
Prettier✗
Qlty✓
Windows
Prettier✗
Qlty✓
Linux
Prettier✗
Qlty✓
CLI
Prettier✓
Qlty✓
Deployment
Cloud / SaaS
Prettier✗
Qlty✓
Self-hosted
Prettier✓
Qlty✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Prettier

Leader
8 total
  • VS Code
  • WebStorm
  • Vim
  • Sublime Text
  • Emacs
  • Visual Studio
  • Nova
  • Neovim
Independently observed

Qlty

6 total
  • GitHub
  • Visual Studio Code
  • GitHub Actions
  • CircleCI
  • Chrome
  • Firefox
Independently observed
Still deciding?

Prettier or Qlty: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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