IPod Touch storage and pricing for the iPod Touch with 32 and 128 GB of storage. The iPod Touch runs Apple's Unix-based iOS operating system (called 'iPhone OS' until 2010) and includes bundled software to browse the Internet, view maps, send and receive email, view media, and work with office documents, presentations, and spreadsheets. Users type on a virtual keyboard displayed on the screen. Apple operates an online store, allowing users to buy and directly download music, videos and third-party software. From launch, the iPod Touch was described by journalists as an 'iPhone without the phone', and each iPod Touch model to
IPod Touch to the iPod Touch as "training wheels for the iPhone". All iPods lack Touch ID, 3D Touch, NFC, GPS, an earpiece speaker and a noise-cancelling microphone. Depending on the generation, the iPod Touch may have a smaller or inferior display and camera(s). Newer models (5th and 6th generation) lack the ambient light sensor that makes automatic brightness available. Older models lack a built in speaker, a microphone, a camera, and a flash. No iPod Touch has a modem through which it can place phone calls or send SMS and MMS. However, 5th and 6th generation models can either piggy-back on