Mozilla Firefox OS

52
Global
Score
52

A disappointing product with a lot of problems.

How we score

The Engadget Score is a unique ranking of products based on extensive independent research and analysis by our expert editorial and research teams. The Global Score is arrived at only after curating hundreds, sometimes thousands of weighted data points (such as critic and user reviews).

The Latest

12.22.16
Firefox's multi-process mode is coming to more users soon
12.22.16 in

Firefox's multi-process mode is coming to more users soon

Other browsers like Chrome and Edge already use multiple processes for increased stability and security.

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How It Stacks Up

52

Firefox OS

Engadget

Not yet scored
 

Critic

5.4
 

User

4.8
 
No price available
73

Chrome OS

Engadget

73
 

Critic

7.2
 

User

7.3
 
No price available
87

OS X El Capitan

Engadget

87
 

Critic

8.7
 

User

9
 
No price available
90

iOS 9

Engadget

90
 

Critic

8.7
 

User

7.7
 
No price available
91

Windows 10

Engadget

91
 

Critic

8.2
 

User

7.9
 
No price available