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SPECIFICTION
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locize vs T-4OO

locize

locize.com

T-4OO

rozetta.jp

Side by side

FigurelocizeT-4OO
Price from$7/mo¥14,980/mo
Free planYes—
Free trialYesYes
Open source——
WebYesYes
WindowsYes—
macOSYes—
LinuxYes—
iOSYes—
AndroidYes—
APIYesYes
Plans published82
Spec score · Translation apps9.4 (#1)8.2 (#50)
Spec score · Translation Software9.1 (#4)8.1 (#67)
Free planYesNo
IntegrationsOfficial integration documentation lists REST API, CLI, Figma plugin, GitHub Action, repository-dispatch events, i18next, react-intl, Vue-i18n, LinguiJS, Polyglot, MCP, Microsoft Teams, Slack and webhooks.T-4OO’s translation engine is available through Rozetta’s API for integrating translation into other platforms and systems.
SecurityBuilt-in security features include MFA options, SAML 2.0 SSO, API token permission control, role-based permissions, backups, and encryption at rest for personal data and stored third-party API credentials.The maker says T-4OO uses encrypted communications and servers in Japan at an ISMS-certified data center; translation data stored on servers is automatically deleted after two weeks and can also be deleted by the user.
SupportThe site directs users with questions about plan selection or usage to [email protected].The maker lists phone and email support, online manuals and videos, online briefings, operational consultations, and a user community.
Translation memoryYesYes
What it doesLocize is a continuous localization and translation-management service connecting source code, translators and product teams.T-4OO is an AI translation service for business and research documents, using LLM-based translation alongside specialist translation capabilities.

Plans

locize

  • FreeFree
  • Starter$7 a month
  • Starter-Plus$19 a month
  • Growth$49 a month
  • Professional$99 a month
  • Professional-Plus$149 a month
  • Enterprise$199 a month
  • FreeFree

locize pricing →

T-4OO

  • 超高精度プラン(スタンダード)¥14,980 a month
  • T-4OO 法人プランPriced on request

T-4OO pricing →

In their own words

locize

Locize is a localization platform for connecting software code and internationalization setups with translators, then delivering translation updates through a CDN or API without a full app redeploy. Developers can sync keys and source strings through CLI or CI, while translators and reviewers use a separate interface with translation memory, in-context editing, review workflows, and machine or generative AI translations. Listed integrations and support include i18next, React, Vue, Angular, Next.js, Node.js, Figma, iOS and Android, plus PHP, Python, Java, and.NET. The Free plan is free and includes one user, two languages, five namespaces, and 100K standard CDN downloads per month. Starter costs $7 a month, and a 14-day trial is listed. Download limits matter: fixed plans block a project after standard CDN use exceeds 110% of its allowance, while Free automatically unpublishes translations. Locize lists MFA options, SAML 2.0 SSO, role-based permissions, backups, encryption, and Swiss FADP and EU GDPR coverage.

Visit locize.com

T-4OO

T-4OO has no write-up on Specifiction yet; its figures are above.

Visit rozetta.jp