For some reason, we don’t care about the fact it costs an extra few bucks to add sweet potato fries (or extra cheese) to anything, but $3 for an app is criminal. We’ll happily pay $1 for just about anything, but what about $3? Rockmate by Fingerlab is definitely worth $3. It is, quite literally, a complete music studio built into one, four player iPad app. You get two guitars (with pedals), keys and a drum kit to make music for ears far and wide, or you can enlist three buddies and start your own Rock Band. Come to think of it, that’s pretty fitting. Rockmate is Rock Band: iPad Edition—without the plastic instruments you have to lug around.

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It’s time to finally put sleepless nights and groggy mornings to rest for good with a new Casper mattress. Using a combination of multiple foams and a breathable design, the Casper mattress helps you sleep cool and comfortably with just the right amount of sink and bounce. But don’t just take our word for it, try a Casper mattress for 100 nights as part of their sleep-on-it trial. Plus, Cool Material readers can save $50 on the mattress with code COOLMATERIAL. It’s time to get better sleep.