Say you’re on a train or a bus, and you’d like to nod off for a bit, but you’re worried that you’ll miss your stop. You could find someone who is going further than you and ask for a wake-up call — or, if you own an iPhone, you could pay $1 for iNap.
iNap taps into the phone’s location sensors and sounds the alarm when you get close to your destination. You can even determine how much warning you need. If you’re a slow riser, you can tell it to wake you up 10 miles early. If you wake up fast, you can give yourself less warning.
I’m sure this thing is pretty darned accurate any time your phone gets GPS reception, but I’m curious if it works as well when your phone is using cell towers to approximate its location.
Via Lifehacker.
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