Lokalise alternatives: 4 tools compared (October 2026)

Smartling is a cloud translation management system for large companies that localize websites, apps and marketing content, combining workflow automation with its LanguageAI features and optional human translators.

Key functions

• LanguageAI post-edits machine translations and estimates their quality
• Filters content for brand safety and checks tone and bias
• Routes content automatically to machine or human translation

Compared with Lokalise

• Names 8 security certificates, Lokalise 3.
• Strong in the same markets as Lokalise: United States.

Check before buying: Prices are not published, so request a quote that separates platform fees, machine translation and human translation. Smartling stores data in AWS locations around the world, so ask which region applies to your account and request the data processing agreement and subprocessor list, which the security page does not link.

Weglot translates company websites automatically and keeps the translations in sync as pages change, aimed at small and midsize businesses running sites on common content systems and shop platforms.

Key functions

• AI translation translates websites automatically on all paid plans
• Glossary rules control how the AI handles technical terms and brand names
• Custom language model with GenAI credits on all paid plans

Compared with Lokalise

• Headquartered in France, Lokalise in United States.
• Targets companies under 50 employees, which Lokalise does not.
• Single sign-on only in higher plans; at Lokalise in all plans.
• Names fewer security certificates: 1, Lokalise 3.

Check before buying: Count the words on your site across all pages before choosing a plan, because plans cap translated words and languages. Single sign-on is only in the enterprise plan. Check whether legal pages such as terms and privacy notices should be translated by a person instead.

Crowdin is a localization platform for software companies and content teams that translate apps, games, documentation and websites, with AI pre-translation, AI proofreading and automated quality checks.

Key functions

• AI pre-translation from translation memory and language models from OpenAI, Anthropic, Azure AI and others
• Context Harvester collects product context so the AI translates more accurately
• AI checks flag suspicious or harmful translations

Compared with Lokalise

• Headquartered in Estonia, Lokalise in United States.
• Targets companies under 50 employees, which Lokalise does not.
• States no EU hosting option; Lokalise has one.
• Names fewer security certificates: 1, Lokalise 3.

Check before buying: Ask which storage region applies to your account, because Crowdin runs data centers in both the United States and Ireland. AI features send text to third-party model providers, so check the subprocessor list. The privacy policy does not link a data processing agreement; request it from the privacy team.

Phrase is a localization platform for companies that translate software, websites and marketing content at scale, combining a translation management system with machine translation and automatic quality scoring.

Key functions

• Phrase Language AI uses MT Autoselect to pick a translation engine per language pair and content type
• Phrase Next GenMT translates in context using existing translation memories
• Quality Performance Score rates translations automatically and flags low-confidence output

Compared with Lokalise

• Headquartered in Czechia, Lokalise in United States.
• Starts higher: from $1,245 per month, Lokalise from $149 per month.
• Single sign-on as an add-on; at Lokalise in all plans.

Check before buying: Check which AI features may train on your content: Phrase names Quality Performance Score, non-translatable detection and Custom AI. Machine translation volume is capped per plan, so estimate your yearly word count. Single sign-on is an add-on on the Team plan. Ask for the data processing agreement and the hosting region, which the security page does not state.