Correct, natural English in every Mac app you write in
AI translation and localization platform for apps, websites and stores
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free: unlimited spelling, 30 grammar checks, 10 AI actions and 20 predictions per day. Pro: $144/year or $20/month, everything unlimited. Team: $15/seat/month or $180/year per seat.
Not given
Key features
Real-time spelling and grammar correction in any macOS app
Fixes explained in your language (11 languages supported)
Tone checking and adjustment for different contexts
Rewrite and rephrase suggestions
Explain incoming messages and generate replies
Write in your language and get English translations
Word predictions and auto-complete
Personal dictionary and learning words
Works in Mail, Slack, Teams, GitHub, Notion and 10+ other apps
Team plan with shared brand rules and dictionaries
Automatic AI translation with Glossa Flux and Glossa Deep models
Four automatic quality gates: placeholders, plurals, glossary, length
In-context editing on live pages without releases
Translation memory for exact match reuse at no cost
41 integrations with GitHub, GitLab, Shopify, WooCommerce and more
Enforced glossaries and terminology management
CLI, REST API, GitHub Action and MCP server for automation
Role-based access control with four roles per project and language
Over-the-air translation delivery with no app store review needed
What makes it different
Designed specifically for non-native English speakers with fixes explained in 11 languages
Works in-app without switching windows or copying and pasting
Cloud checks discarded immediately, never stored or used for training
Unlimited spelling fixes even on free plan with no account required
Two AI models—fast Flux for all strings and careful Deep for critical customer-facing content
Automatic repair of failed translations before shipping, refusing broken rows
Edit translations in context on live pages without code changes or releases
Translation memory that costs nothing to reuse exact matches
WriteNative
Transglot