i18nexus vs Localizely

i18nexus is a web and API localization workspace for developers, AI agents, and teams handling application copy. Developers can manage translations through a REST API, CLI syncing, and an MCP interface for AI coding agents. The CLI imports existing local JSON files, synchronizes them during development, and retrieves translations before production builds. A shared dashboard lets developers, product managers, translators, and other members review, edit, and verify translations. The service supports more than 100 languages, translation history, and versioning. It highlights React and Next.js integrations with next-intl, i18next, and react-intl, while also supporting frameworks that consume JSON files. Machine translation can use OpenAI, DeepL, or Google Translate, depending on the plan. Listed plans provide unlimited projects, languages, and translators, while string and member counts are limited. Plans also impose monthly machine-translation character limits. A free plan is available; paid plans start at $14/mo.

Localizely is a translation management system for mobile app, game, and website content. It combines AI and machine translation with professional translation orders, translation memory, glossaries, quality checks, screenshots, tasks, reports, and branching. Supported file types include Flutter ARB, Android XML, Apple strings, JSON, YAML, PO, XLIFF,.NET RESX, CSV, Excel, and TMX. Integrations include GitHub, GitLab, Bitbucket, Figma, AWS S3, an API, and a CLI. GitHub sync can retrieve localization files manually or through a webhook and return translations as a pull request. Its Flutter SDK can send translation updates over the air and provides in-context editing. Localizely is SaaS only, with no self-hosted option. The free plan includes one project and 250 hosted string keys. Starter is $16 a month when billed annually, or $19 per month when billed monthly; a 15-day trial is listed. The CLI runs on Linux, macOS, and Windows, and is also offered as a Docker image.