Comparison

FormatJS vs Tolgee

No leader: the top candidate FormatJS has only 0.22 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
FormatJS57
Tolgee54
Score
vioscaleAI score
FormatJS57 / 100low · 22%
Tolgee54 / 100high · 76%
Pricing
Free tier
FormatJS–
Tolgee✓
Model
FormatJScommercial
Tolgeefreemium
Price level
FormatJS–
Tolgeemid
Starting price
FormatJS–
Tolgee€58
Transparent
FormatJS–
Tolgee✓
Integrations
Count
FormatJS–
Tolgee13
Security
Gdpr
FormatJS–
Tolgee✓
Iso27001
FormatJS–
Tolgee✓
Scorecard
FormatJS4.3
Tolgee–
Adoption
Dependent repos
FormatJS57,947
Tolgee–
Github stars
FormatJS14,741
Tolgee–
Activity
Commits last 30d
FormatJS100
Tolgee–
Release
History
FormatJS20 items
Tolgee–
Language
Primary
FormatJSTypeScript
Tolgee–
Market
Availability
Content
Faq
FormatJS–
Tolgee7 items

Capabilities

Feature-by-feature on the axes that matter for localization i18n. “-” means undocumented, not absent.

Capabilities
Cldr plural rules
FormatJS-
Tolgee-
Rtl bidi support
FormatJS-
Tolgee-
Translation memory
FormatJS-
Tolgee✓
Glossary terminology
FormatJS-
Tolgee✓
In context editing
FormatJS-
Tolgee✓
Ota updates
FormatJS-
Tolgee✓
Self hostable
FormatJS-
Tolgee✓
Managed translation services
FormatJS-
Tolgee-
Qa checks
FormatJS-
Tolgee-

What each one is

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

FormatJS

A monorepo hosting FormatJS libraries, with react-intl as a primary component. Provides tools for implementing internationalization and localization functionality in JavaScript applications.

Independently observed

Tolgee

Tolgee is an open-source localization platform that streamlines app translation with AI-powered suggestions, in-context editing, and support for multiple frameworks. It combines machine translation capabilities with collaborative translation management and supports both cloud and self-hosted deployment.

Independently observed

Pricing

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

FormatJS

Pricing not documented yet.

Tolgee

from €58/moHybridFree tier

Free tier with 30,000 words. Paid plans start at €58/mo billed annually. Unlimited seats on all paid plans.

  • FreeFree
    • Standard localization features
    • All Tolgee integrations
    • 30,000 hosted words
  • Translate€58/mo billed annually, unlimited seats
  • Optimise€133/mo, unlimited seats
    • Standard localization features
    • AI translator with brand context
    • Glossaries
    • AI playground
    • Multiple content delivery configurations
  • Manage€373/mo, unlimited seats
  • EnterpriseContact sales
    • Premium support
    • Single Sign On
    • Dedicated Slack channel
    • Account manager
    • Team training
    • +3 more
as of verify ↗

Platform & deployment

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

Platforms
Web
FormatJS✗
Tolgee✓
iOS
FormatJS✗
Tolgee✓
Android
FormatJS✗
Tolgee✓
CLI
FormatJS✓
Tolgee✓
Deployment
Cloud / SaaS
FormatJS–
Tolgee✓
Self-hosted
FormatJS–
Tolgee✓
On-premise
FormatJS–
Tolgee✓

Integrations

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

FormatJS

Not documented yet.

Tolgee

25 total
  • React
  • Angular
  • Vue
  • Svelte
  • Next.js
  • i18next
  • Vanilla JS
  • Slack
  • REST API
  • Docker
  • Android
  • iOS
  • Flutter
  • C++
  • PHP
  • .NET
  • Compose Multiplatform
  • JSON
  • XLIFF
  • .po
  • Chrome Plugin
  • Figma
  • Unreal Engine
  • Chrome
  • +1 more
Independently observed
Still deciding?

FormatJS or Tolgee: 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.