Voltlingo

Master the technical English engineers use on the job — from schematics and PLCs to firmware and DevOps. Short, focused lessons built for electronics, automation, embedded, and software professionals.

Why technical teams choose Voltlingo

Job-ready vocabulary Terms you will see in datasheets, HMI screens, code reviews, and safety meetings — not generic textbook phrases.
Six practice modes Multiple choice, fill-in-the-blank, symbol ID, listening, speaking, and matching — including American English pronunciation (en-US TTS).
Progress that sticks XP, daily goals, streaks, weak-word review, and cloud sync when you sign in.
Corporate PRO (B2B) Companies authorize employees by name; approved learners unlock full units and unlimited hearts automatically.

Sectors covered

Electronics Embedded Systems Automation & PLC Software Development

Unit 1 in every sector is free to try. Sign in with your company-authorized full name to unlock the full curriculum, or upgrade to Voltlingo PRO for unlimited practice.

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Master the English engineers actually use on the job.

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Sound effects Ding on correct answers, buzz on misses, fanfare on lesson end.

Daily goal XP target per day. Hit it to advance your streak.

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Voltlingo PRO

For engineers who want to learn faster. Unlock the full experience.

Unlimited hearts — never get locked out
Every unit unlocked across every sector
Ad-free distraction-free practice
Detailed progress analytics

$4.99 / month