i18next vs Tolgee
No clear leader: i18next (56.8) and Tolgee (54.2) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for localization i18n. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
i18next
An internationalization framework that provides core translation features including pluralization rules and contextual translations. Works independently or with optional management services for larger teams.
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.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
i18next
Open source library. Optional paid service (Locize) available for translation management.
Tolgee
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
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
i18next
- Locize
- inlang Paraglide
Tolgee
- 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
i18next 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.