Aimed at helping beginners to pass PADI, NAUI and SSI dive-theory exams, the app now contains more than 200 theory and 50 dive-table questions, each with an in-depth explanation of both question and answer. Seventeen chapters cover basic scuba theory. Scuba Exam Lite is free while the full app costs £4, both downloadable from the App Store for iPhone and iPad or from Google Play for Android devices.

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