Learns from your work
Vocabulary comes from your own documents, not a fixed course.
Compare
Lumasto vs. general language apps.
Duolingo, Babbel, and Busuu teach one fixed curriculum. Lumasto builds lessons from your own work.
LumastoDuolingo / Babbel / Busuu
Learns from your own documentsYesNo
Browser word captureYesNo
Open-ended AI chatYesLimited
Field-specific vocabularyYesNo
Built for working professionalsYesNo
Free tierYesLimited
Based on each product’s public free tier as of 2026. Duolingo, Babbel, and Busuu are trademarks of their respective owners; Lumasto is not affiliated with them.
Where Lumasto is different
Matches your job
A relocating engineer and a researcher get different words.
Captures as you read
The browser plugin saves words the moment you meet them.