Refill Hearts
Instantly restore all five hearts so you can keep practicing.
$0.99 · one-timeMaster the English engineers actually use on the job.
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Practice
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Practice paused. Refill your hearts in the Shop or unlock Voltlingo PRO for unlimited play.
This week's top engineers. Keep your streak alive to climb.
Power-ups and Voltlingo PRO.
Instantly restore all five hearts so you can keep practicing.
$0.99 · one-timeFor engineers who want to learn faster. Unlock the full experience.
Don't break your streak. Refill hearts or unlock Voltlingo PRO for unlimited practice and an ad-free experience.
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