G2 Vendor Directory

Operating System

94

Products

18.5K

Total reviews

4.3

Avg. rating

Apple iOS by Apple leads the Operating System category with a 4.6 rating from 1,594 reviews. macOS Sierra has the strongest momentum in the category, up -90.9% quarter-over-quarter.

LLM citations

Monthly citations by AI answer engines for the top products in Operating System.

LLM citations · Operating System

Source: G2 review data

Key stats

Apple iOS

macOS Sierra

Small Business

Category trends

How the Operating System market is moving, from G2 review and Grid data.

Which products are most adopted?
1
Windows 114,327 2
Ubuntu2,240 3
Apple iOS1,594 4
Android1,288 5
Red Hat Enterprise Linux953
Which products climbed the Grid most?
1
Hitachi Storage Virtualization Operating System RF26 2
AppArmor17 3
Oracle Solaris14 4
Windows Server7 5
CIS Red Hat Enterprise Linux6
Which products are reviewers switching to?
1
Windows 11274 2
Ubuntu161 3
Apple iOS94 4
Android44 5
Red Hat Enterprise Linux40
Which products do enterprises choose?
1
Windows 111,235 2
Red Hat Enterprise Linux477 3
Ubuntu437 4
Apple iOS344 5
Windows 7278
Which products do mid-market buyers choose?
1
Windows 111,338 2
Ubuntu715 3
Apple iOS426 4
Android327 5
Windows 7293
Which products do small businesses choose?
1
Windows 111,562 2
Ubuntu1,037 3
Apple iOS772 4
Android651 5
Chrome OS334

Fastest growing

Ranked by G2 Momentum score.

1

macOS Sierra

by Apple · 488 reviews

4.5
2

Apple iOS

by Apple · 1,594 reviews

4.6
3

Windows 11

by Microsoft · 4,327 reviews

4.5

All products

Ranked by G2 Grid position.

1

Apple iOS

by Apple · 1,594 reviews

4.6
2

Windows 11

by Microsoft · 4,327 reviews

4.5
3

Chrome OS

by Google · 744 reviews

4.5
4

macOS Sierra

by Apple · 488 reviews

4.5
5

Android

by Google · 1,288 reviews

4.6

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