expiredDigits, the calculator for humans on iOS is now available for free (Reg. $4)
Justin Kahn - Apr. 7th 2016 10:58 am ET
Digits, the calculator for humans is now available for free on iOS. Not only is this one of our favorite calculator apps out there, it doesn’t go free very often. Regular $4, it only goes on sale a few times a year and we only saw it go free once last year for a single day. Rated 4+ stars from over 7,500 reviewers.
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