Amazon offers the
Veho 360° Photography and Timelapse Accessory for iPhones / Cameras, model no. VCC-100-XL, for $9.99 with free shipping. (Non-members can spend $49 to bag free shipping; otherwise, it adds $5.14.) It features the ability to take 90°, 180°, 270°, or 360° timelapse and panoramic photos and supports cameras that weigh up to 750 grams.