Best Defraggler Alternatives in 2025
Looking for alternatives to Defraggler? In this comparison, we take a closer look at Defraggler alongside similar software solutions including Defraggler, UltraDefrag, Auslogics Disk Defrag, O&O Defrag Professional Edition, IObit Smart Defrag and PerfectDisk Professional.
Our detailed comparison table highlights key features, pricing, and performance of these leading solutions, empowering you to make an informed decision. Whether you're seeking robust functionality, user-friendly design, or cost-effective alternatives, explore how Defraggler, UltraDefrag, Auslogics Disk Defrag, O&O Defrag Professional Edition, IObit Smart Defrag and PerfectDisk Professional stack up to find the perfect software for your goals.
Scheduling and Automation
 Defraggler
|
Includes a scheduler for regular and automatic defragmentation tasks. |
 UltraDefrag
|
Provides built-in scheduling tool for regular defragmentation at daily, weekly, or monthly intervals. |
 Auslogics Disk Defrag
|
Offers a scheduler supporting automatic defragmentation at regular intervals. |
 O&O Defrag Professional Edition
|
Supports scheduled and real-time background defragmentation with automatic settings. |
 IObit Smart Defrag
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Features an automatic defragmentation feature and a scheduler for regular tasks. |
 PerfectDisk Professional
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Allows flexible scheduling options for automated maintenance tasks with regular updates. |
User Interface and Usability
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Defraggler
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Safe and reliable tool with a user interface suitable for beginners and provides detailed analysis. |
|
UltraDefrag
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Simple, user-friendly, and intuitive interface suited for users of any skill level. |
|
Auslogics Disk Defrag
|
Simple and user-friendly interface, suitable for beginners and advanced users. |
|
O&O Defrag Professional Edition
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Intuitive user interface with easy navigation designed to meet different user needs. |
|
IObit Smart Defrag
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Easy-to-use, user-friendly interface with additional bundled software options. |
|
PerfectDisk Professional
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Intuitive interface with easy navigation designed for professional-level disk optimization. |
Support for SSD Maintenance
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Defraggler
|
Supports SSD maintenance including defragmentation features tailored for SSDs. |
|
UltraDefrag
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Includes boot-time defragmentation and supports SSDs without hidden charges or limitations. |
|
Auslogics Disk Defrag
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Supports solid state drives but has some limitations regarding SSD optimization features. |
|
O&O Defrag Professional Edition
|
Supports SSDs with advanced defragmentation technology optimized for solid-state drives. |
|
IObit Smart Defrag
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Supports boot-time defragmentation and optimization tailored to improve SSD performance. |
|
PerfectDisk Professional
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Compatible with solid state drives offering intelligent optimization to enhance lifespan and stability. |
Choosing the right software isn’t just about features. Size, license type, user ratings, and popularity also matter.
This quick comparison shows how Defraggler stacks up against Defraggler, UltraDefrag, Auslogics Disk Defrag, O&O Defrag Professional Edition, IObit Smart Defrag and PerfectDisk Professional in these key areas—helping you find the best alternative for your needs.
Size
|
Defraggler
|
6.1MB |
|
UltraDefrag
|
|
|
Auslogics Disk Defrag
|
7.4MB |
|
O&O Defrag Professional Edition
|
|
|
IObit Smart Defrag
|
3.8MB |
|
PerfectDisk Professional
|
License
|
Defraggler
|
Freeware |
|
UltraDefrag
|
Commercial |
|
Auslogics Disk Defrag
|
Freeware |
|
O&O Defrag Professional Edition
|
Shareware |
|
IObit Smart Defrag
|
Freeware |
|
PerfectDisk Professional
|
Shareware |