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IObit Smart Defrag
What IObit Smart Defrag is
IObit Smart Defrag is a Windows utility for defragmenting and optimizing storage drives. Its Free plan includes basic file defragmentation, scheduled defrag, and game optimization. The listed capabilities also include automatic and boot-time optimization, as well as support for both listed drive types. The product has a free plan and two named Pro options: PRO 1 PC covers one computer, while PRO 3 PCs covers three. The three-PC option is listed at $19.99 a year, billed annually. The one-PC Pro plan shows annual billing, but no price is listed here. Smart Defrag is associated with IObit, a company founded in 2004 and headquartered in San Francisco, California. For Windows users who want scheduled or automatic drive maintenance, the free plan provides a starting point, while Pro plans list coverage for one or three PCs.
Who it suits
Smart Defrag suits Windows users looking for file defragmentation with scheduled, automatic, or boot-time optimization. Its free option includes game optimization, and the Pro choices specify coverage for one or three PCs.
What it does well
- Free plan includes basic file defrag.
- Scheduled and automatic optimization are listed.
- Boot-time optimization is available.
- Free plan includes game optimization.
- PRO 3 PCs covers three computers.
What to know first
- Available only for Windows.
- PRO 1 PC has no listed price.
- PRO 3 PCs costs $19.99 a year.
Limits
The Free plan lists basic file defrag, scheduled defrag, and game optimization. PRO 1 PC covers one PC; PRO 3 PCs covers three PCs and costs $19.99 a year, billed annually.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free | Basic file defrag · Scheduled defrag · Game optimization | On request |
| PRO 1 PC | annual pricing shown · 1 PC | On request |
| PRO 3 PCs | annual pricing shown · 3 PCs | $19.99 a year |
As iobit.com lists them, read 20 Sept 2026. The maker's own page has the final word.
Getting started
- Open the IObit Smart Defrag website.
- Use the Windows version.
- Choose the Free plan or a Pro plan for one or three PCs.
- Use basic file defrag, scheduled defrag, or game optimization on the Free plan.
Verdict
Smart Defrag combines file defragmentation with scheduled, automatic, and boot-time optimization on Windows. The free plan covers basic use, while the listed three-PC Pro option costs $19.99 a year.
Questions
Does IObit Smart Defrag have a free plan?
Yes. The Free plan includes basic file defrag, scheduled defrag, and game optimization.
Which platforms does it support?
The listed platform is Windows.
How much does PRO 3 PCs cost?
It costs $19.99 a year, billed annually, and covers three PCs.
What does PRO 1 PC cover?
It covers one PC, and annual billing is shown.
Does Smart Defrag support different drive types?
Yes. Both listed drive types are supported.
Who makes IObit Smart Defrag?
It is offered by IObit, founded in 2004 and headquartered in San Francisco, California, USA.
Facts from IObit Smart Defrag's own pages
Where IObit Smart Defrag stands on Freedom251
- Disk Defragmentation Software#15 of 20