O&O Defrag comparisons
O&O Defrag is compared head-to-head with IObit Smart Defrag, Disk SpeedUp and UltraDefrag and more: 7 head-to-heads in Disk Defragmentation Software, each with the specs and prices we checked.
O&O Defrag head-to-head
- O&O Defrag vs IObit Smart Defrag
- O&O Defrag vs Disk SpeedUp
- O&O Defrag vs UltraDefrag
- O&O Defrag vs Auslogics Disk Defrag
- O&O Defrag vs UltimateDefrag 6
- O&O Defrag vs Puran Defrag
- O&O Defrag vs WinContig
O&O Defrag vs each of them
| # | Tool | Free plan | Paid from | Drive types | Scheduled optimization | Automatic optimization | Boot-time optimization | Score |
|---|---|---|---|---|---|---|---|---|
| 3 | O&O Defrag | No | $49.95/device one-time | Both | Yes | Yes | Yes | 8.8 |
| 1 | IObit Smart Defrag | Yes | Both | Yes | Yes | Yes | 9.4 | |
| 2 | Disk SpeedUp | Yes | Free | Both | Yes | Yes | Yes | 9.2 |
| 4 | UltraDefrag | No | Both | Yes | Yes | Yes | 8.6 | |
| 5 | Auslogics Disk Defrag | Yes | Hdd | Yes | Yes | Yes | 8.4 | |
| 6 | UltimateDefrag 6 | No | $29.95 one-time | Both | Yes | Yes | Yes | 8.2 |
| 7 | Puran Defrag | Yes | Free | Hdd | Yes | Yes | Yes | 8.0 |
| 8 | WinContig | Yes | Free | Both | Yes | 7.8 |
Compare O&O Defrag with any disk defragmentation software
These are the matchups our editors wrote up. The compare tool pairs O&O Defrag with any other product in Disk Defragmentation Software — and up to four at once — from the same checked specs.
Compare O&O Defrag with any tool side by side →
Every disk defragmentation software head-to-head →
Our full O&O Defrag verdict, pricing and fact sheet →
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Compared by iTechGuides Editors · Editorial team · Updated Oct 2026
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