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| Product | Tizen OS | Ubuntu Touch | Firefox OS | Windows Phone 8 | Google Chrome OS |
| Price | Pricing is currently unavailable. | Pricing is currently unavailable. | Pricing is currently unavailable. | ||
| CNET editors' rating | Info unavailable | Info unavailable | Info unavailable | 4 stars | 3 stars |
| Average user rating | 0 stars | 0 stars | 0 stars | 0 stars | 3.5 stars |
| Release date | Info unavailable | Info unavailable | Info unavailable | October 29, 2012 | Info unavailable |
| Bottom line | Info unavailable | Info unavailable | Info unavailable | Windows Phone 8 is absolutely worth using, especially if you enjoy a simpler, bolder interface. However, if you need a robust app selection now, stick with the more fully formed
Android and iOS. | Chrome OS struggles with the delineation between apps and Web sites, even though they are fast growing together. Great for students and casual home use, the day is coming when it'll be competitive, but it's not yet a replacement for a more mature OS. |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | Pricing is currently unavailable. | Pricing is currently unavailable. | Pricing is currently unavailable. |
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