Comparison

Prettier vs Qlty

On the evidence we track, Prettier leads this comparison with a composite score of 82/100. 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 formatsJSON Markdown GraphQLor send Accept: application/json

★Prettier82

Qlty52

Attribute comparison across 2 tools
Attribute	PrettierLeader	Qlty
Vioscale score	82 / 100high · 79%	52 / 100medium · 54%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	freemium
Price levelpricing.price_level	free	mid
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	19	6
Security
Scorecardsecurity.scorecard	6.7	-
Soc2security.soc2	-	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=prettier&per_page=100 · Last 12m: 0	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=qlty-cloud&per_page=100 · Last 12m: 0
Reliability
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	1,703,312	0
Github starsadoption.github_stars	52,212	3,130
Package downloads weeklyadoption.package_downloads_weekly	133,260,364	-
Activity
Commits last 30dactivity.commits_last_30d	100	9
Release
Cadence daysrelease.cadence_days	3	4
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	-
Language
Primarylanguage.primary	JavaScript	Rust
Market
Availabilitymarket.availability	Available worldwide	Available worldwide · Popular in US

Score

Vioscale score

Prettier82 / 100high · 79%

Qlty52 / 100medium · 54%

Pricing

Free tier

Prettier✓

Qlty✓

Model

Prettiercommercial

Qltyfreemium

Price level

Prettierfree

Qltymid

Transparent

Prettier✓

Qlty✓

Integrations

Count

Prettier19

Qlty6

Security

Scorecard

Prettier6.7

Qlty–

Soc2

Prettier–

Qlty✓

Vulnerabilities

PrettierCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=prettier&per_page=100 · Last 12m: 0

QltyCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=qlty-cloud&per_page=100 · Last 12m: 0

Reliability

Status page

Prettier–

Qlty✓

Adoption

Dependent repos

Prettier1,703,312

Qlty0

Github stars

Prettier52,212

Qlty3,130

Package downloads weekly

Prettier133,260,364

Qlty–

Activity

Commits last 30d

Prettier100

Qlty9

Release

Cadence days

Prettier3

Qlty4

History

Prettier20 items

Qlty20 items

License

Spdx

PrettierMIT

Qlty–

Language

Primary

PrettierJavaScript

QltyRust

Market

Availability

PrettierAvailable worldwide

QltyAvailable worldwide · Popular in US

Capabilities

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

Capability comparison for Code Quality Tools
Capability	Prettier	Qlty
Core
Function	Formatter	Quality platform
Language scope	Multi-language	Multi-language
Implementation language	JavaScript	Rust
Capability
Autofix	✓	✓
Config
Config model	Config file	Config file
Extensibility
Custom rules	✗	✓
Deployment
Deployment	-	Both
Delivery
Editor integration	✓	✓
CI / VCS gating	✓	✓
Insight
Code metrics	✗	✓
Performance
Incremental / monorepo aware	✓	✓
Licensing
Open-source	OSS	Open-core
Commercial
Pricing model	Free	Per-contributor

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

Prettier-

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

Prettier is a code formatting tool that parses source code and reprints it with its own consistent style rules. It integrates with editors and CI systems to format code automatically on save or in version control workflows, reducing style-related code review discussions.

Independently observed

Qlty

A code quality platform that automatically analyzes pull requests for linting, formatting, security issues, and code coverage with AI-generated fixes. Supports 40+ languages and integrates with GitHub, IDEs, and CI systems.

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 2026-08-14verify ↗

Qlty

from $20/moSubscriptionFree tier

Free plan available. Pro from $20/contributor/month. Enterprise from $30/contributor/month. Annual plans include 2 months free.

FreeFree
- Unlimited public and private repositories
- Unlimited contributors
- 1,000 analysis minutes per month
- 100 AI autofixes per month
- Linting and auto-formatting
- +8 more
Pro$20/contributor/month. Annual billing includes 2 months free.
- Everything in Free, plus:
- Shared configurations
- Trends and hotspots
- 1 year of history
- Accelerated analysis
- +6 more
EnterpriseContact sales
- Everything in Pro, plus:
- Advanced analytics
- Organization policies
- Custom permissions
- Audit logs
- +9 more

as of 2026-08-14verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Prettier	Qlty
WebPlatforms	✓	✓
macOSPlatforms	✗	✓
WindowsPlatforms	✗	✓
LinuxPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✗

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

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