IObit Smart Defrag
iobit.com
What it is
IObit Smart Defrag is a Windows utility for defragmenting and optimizing storage drives. It supports both listed drive types and provides scheduled optimization, automatic optimization, and boot-time optimization. The Free plan includes basic file defrag, scheduled defrag, and game optimization. IObit also lists PRO 1 PC and PRO 3 PCs plans. PRO 1 PC covers one computer and shows annual billing, but no price is listed. PRO 3 PCs covers three computers and costs $19.99 a year, billed annually. The product has a freemium pricing model and a free plan. IObit was founded in 2004 and is headquartered in San Francisco, California, USA. Smart Defrag is intended for Windows users who want recurring drive maintenance, including scheduled or automatic operation. Its boot-time option allows optimization as part of startup maintenance, while game optimization is included in the Free plan.
Spec sheet
- Headquarters
- San Francisco, California, USARead 23 Sep 2026 · iobit.com
- Founded
- 2004Read 23 Sep 2026 · iobit.com
Plans and prices
Strong points and limits
Strong points
- Free plan includes basic file defrag
- Scheduled and automatic optimization
- Boot-time optimization available
- Supports both listed drive types
- Free plan includes game optimization
Limits
- Windows platform only
- PRO 1 PC price not listed
- PRO 3 PCs costs $19.99 a year
Who it suits
It suits Windows users managing either listed drive type who want scheduled, automatic, or boot-time drive optimization. The Free plan is relevant to users needing basic defrag and game optimization.
Verdict
IObit Smart Defrag combines a free starting plan with scheduled, automatic, and boot-time optimization on Windows. Users needing coverage for three PCs can choose the listed $19.99 a year plan; one-PC Pro pricing is not provided.
Where Specifiction places it
- Disk Defragmentation Software#19 of 206.4