Head-to-head · Bootable USB Software
Universal USB Installer vs RMPrepUSB
Universal USB Installer leads on 1 check, RMPrepUSB on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreUniversal USB Installer · 9.2/10
- Free planboth
- Most featuresUniversal USB Installer · 4 of 5
Universal USB Installer scores higher on our rubric for bootable usb software: 9.2 against 8.1 out of 10; our editors rank them #2 and #8.
Universal USB Installer offers linux app; RMPrepUSB doesn't. On image downloads, Universal USB Installer gives you Both where RMPrepUSB offers Local_only.
Universal USB Installer is the better fit for free multiboot creation with testing tools. RMPrepUSB is the better fit for advanced Windows USB preparation and testing.
- Universal USB Installer fits best
Free multiboot creation with testing tools
- RMPrepUSB fits best
Advanced Windows USB preparation and testing
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Side by side
| Feature | Universal USB Installer 9.2/10 Visit ↗ | RMPrepUSB 8.1/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 8.1 |
| Ranking | #2 in Bootable USB Software | #8 in Bootable USB Software |
| Best for | Free multiboot creation with testing tools | Advanced Windows USB preparation and testing |
| Pricing model | Free | Free plan + paid |
| Starting price | Free plan | — |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop | Desktop |
| Platforms | Windows, Linux | Windows |
| Support | Docs | Docs |
| Built for | Solo, Small business, Mid-market | Solo, Small business |
| Features Universal USB Installer 4/5 · RMPrepUSB 3/5 | ||
| Windows app | ✓ | ✓ |
| macOS app | — | — |
| Linux app | ✓ (best) | — |
| Multiboot support | ✓ | ✓ |
| Persistent storage | ✓ | ✓ |
| Specs | ||
| Image downloads | Both | Local_only |
| Partition schemes | Not checked yet | Mbr_only |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Universal USB Installer is a free, open-source utility for creating bootable USB drives from ISO files. It is suited to people who need Windows installation media, Linux live systems, recovery tools, antivirus utilities, or a portable… Read the review → |
RMPrepUSB is a Windows utility for preparing, repairing, testing, and imaging bootable USB storage devices. It is aimed at Windows users who need detailed control over partitioning, formatting, boot code, boot managers, and multiboot… Read the review → |
Strengths and trade-offs
Universal USB Installer — where it wins
- Creates multiboot USB toolkits with persistent storage for supported Linux systems
- Downloads supported ISO images and adds multiple files in batch mode
- Tests ISO files or complete USB drives with a portable QEMU virtual machine
Where it doesn't
- No macOS application
- Persistent storage is limited to supported Linux live systems
- Drive management focuses on media prepared by UUI, YUMI, or Ventoy
RMPrepUSB — where it wins
- Supports multiboot drives and several bootloaders
- Includes QEMU boot testing and fake-capacity checks
- Creates images and Linux persistence filesystem files
Where it doesn't
- Windows-only, with no macOS or Linux app
- Primarily targets MBR/legacy drives; GPT support is limited
- Commercial licensing requires contacting the developer
- Universal USB Installer9.2/10 · Free plan
A free, broad USB creation toolkit with multiboot, persistence, downloads, and QEMU testing.
Visit siteFull verdict → - RMPrepUSB8.1/10 · Free plan · pricing on request
A deep Windows toolkit for multiboot USB creation, boot repair, imaging, and testing.
Visit RMPrepUSBFull verdict →
More comparisons
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- Universal USB Installer vs YUMI
- Universal USB Installer vs Rufus
- Universal USB Installer vs WinSetupFromUSB
- Universal USB Installer vs SARDU MultiBoot Creator
- Easy2Boot vs RMPrepUSB
All bootable USB software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update






