Ship.com is described as 'virtual post office that fits in the palm of your hand. Now it's easier than ever before to ship and track your packages and share delivery information with family and friends' and is an app in the Home & Family category. There are more than 25 alternatives to Ship.com for a variety of platforms, including Online / Web-based, Android, iPhone, iPad and Windows. The best alternative is 17track, which is free. Other great apps like Ship.com are Slice (Free), Parcel (Freemium), TrackChecker (Free Personal) and AfterShip (Freemium).
17track.net is a well-known website for tracking global postal carrier and international express courier. It is the most reliable and stable tracking website. It has supported over 160 postal carriers and variety of express couriers.
Slice lets you track your package shipments and deliveries automatically, by linking to your Yahoo or Gmail email inbox. It parses your email accounts, looking for receipts for your favorite merchants like Amazon, eBay, Groupon, Apple, Walmart, Newegg, Target, and Best Buy.