Android and iOS will not settle for conquering smartphones and tablet computers only. The battle between the rival mobile OS goes up to another level with wearable devices, specifically watches. Apple is currently developing the iWatch running iOS, and Samsung is gearing to match it with Galaxy Altius.

China's Foxconn is rumoured to be testing a watch-like device, according to insiders, and the wearable device might be the upcoming iWatch from Apple. It is no surprise that integration between the iPhone and iPad to the iWatch is possible, which means iTunes are going to be synced between all three devices.

A writer from SamMobile posted possible images of the Galaxy Watch called Altius and could be the sign that Samsung is ready to match the Apple iWatch. Based on the screenshot, Galaxy Altius is a touchscreen watch, running Android OS with a slider at the bottom and different applications such as clock, music, and mail.

Both wearable devices are still under speculation and their technical details are unknown to the public. However, there certain things some of us wants to know about these smart-watches.

1. Is it less expensive than other branded watches such as Rolex or Omega?

2. Is it comfortable compared to watches for individuals who does not wear any?

3. How long will the wearable devices last in a day, and how long would it take to be completely recharged?

4. Can we view the screen details even under the sunlight?

5. How safe are these devices, especially concerns over radiation if worn constantly?

Other wearable gadgets

1. iPod shuffle which is small and "squarish" but not a watch

2. MOTOACTV from Motorola with Android OS that monitors heartbeat, GPS function, and other fitness-related capabilities.

3. Pebble, a smartwatch capable of playing mp3, displaying simple text and Bluetooth connectivity to a smartphone. No Wi-Fi, 3G, or calls.

4. The upcoming Google Glass with photo/video capture, mailing, and mp3 playback.

Assuming the vast possibility of installing OS to almost anything, it might lead to smart-bracelets, smart-rings, or smart-shoes.

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