Aukey Direct via Amazon offers the Aukey MFI-Certified 3-Foot Lightning to USB Cable, model no. CB-D3, for $9.99. Coupon code "64ZLXIOF" cuts the price to $6.99. Plus, Prime members qualify for free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $6.01.) That's $4 under the lowest total price we could find for a similar MFi-certified lightning cable elsewhere. It's compatible with iPhone models from the iPhone 5 onwards and other recent Apple devices.