★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
Where this app stands in New Zealand, updated 3 Nov 2026
Top free
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Top paid · All apps and games
#93 –
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Check Ex Equipment against Hazardous Area Classifications (ATEX). Includes 250 Compex practice questions for gas module training course (Ex01-Ex04). Note: This application is not endorsed by CompEx.