Alternative & Comparison · Windows drive mounter
Ultra Explorer vs RaiDrive
Ultra Explorer runs on macOS, Windows and Linux, writes to every provider in its free version and shows no ads.
Ultra Explorer works on macOS, Windows, Linux and Docker. Its free version writes to all 39 providers with no ads, shows two storages side by side and keeps a history of every transfer. RaiDrive maps clouds to drive letters on Windows; its free plan shows ads and keeps some services read-only, and there is no macOS version yet.
Ultra Explorer
Free, Pro or Lifetime
Free plan includes full dual-pane file management across 40+ clouds, durable transfers, and Docker container. Pro upgrade unlocks Disk Space Analyzer, Synchronizations, and Global Search.
RaiDrive
Free (with ads, some services read-only); paid subscriptions
Cross-platform, ad-free, everything writable.
Feature-by-Feature Matrix
| Feature / Capability | Ultra Explorer | RaiDrive |
|---|---|---|
| Dual-pane explorer Source and destination shown side by side | Included in Free | Uses Finder / File Explorer |
| Search across several storages at once Any number of storages in parallel, with filters and presets | Pro module | Via the system’s search |
| Disk space analysis Local disks and clouds, largest files, breakdown by type | Pro module | No |
| Durable transfer queue Queue and history kept between sessions, one-click retry | Included in Free | Via the system file manager |
| Conflict choice per batch Replace, skip, keep both or cancel, applied to the whole batch | Included in Free | System copy dialog |
| Write access in the free version Upload, rename and delete on every provider | Included in Free | Some services read-only |
| Ads in the free version Advertising shown in the app | No | Yes |
| Self-hosted web version For a Synology, QNAP, TrueNAS or Unraid NAS | Included in Free | No |
| Platforms Desktop and server | macOS, Windows, Linux, Docker | Windows, Linux |
Why switch from RaiDrive to Ultra Explorer
- 1 Cross-platform
macOS, Linux and Docker
Ultra Explorer runs on all three desktop systems and as a web app on your NAS.
- 2 No ads
No ads, everything writable
The free version has no ads and no read-only providers.
- 3 Two panes
Two panes for transfers
Copy between two clouds side by side, with a durable queue and history.
Under the Hood Architecture
RaiDrive vs Ultra Explorer Architecture
RaiDrive Architecture
Windows application that maps each storage to a drive letter, so File Explorer and other apps can use it.
Ultra Explorer Rust & Svelte 5
Rust core driving a bundled rclone, shared by a Tauri desktop app (macOS, Windows, Linux) and a self-hosted web server (Docker). Transfers, history and synchronization jobs are stored in SQLite.
Technical Verdict Ultra Explorer covers every platform and every provider for free.
Honest Pros & Cons
RaiDriveFree (with ads, some services read-only); paid subscriptions
RaiDrive Limitations
- Ads in the free plan
- Some services read-only unless you pay
- No macOS version yet
Ultra ExplorerRecommended
Ultra Explorer Strengths
- Find a file without knowing where it is: one search across all your storages in parallel (Google Drive, OneDrive, NAS, local disks…)
- Runs on macOS, Windows and Linux
- Free version with no limit on the number of storages
- Two storages side by side, with tabs and drag and drop
Trade-offs & Considerations
- Does not mount storages as drives
When to choose Ultra Explorer
Choose Ultra Explorer if you are on macOS or Linux, want transfers between clouds with history, or self-host.
Frequently Asked Questions: Ultra Explorer vs RaiDrive
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Install Ultra Explorer and add your storages: sign in to your clouds or enter your server details. If you already use rclone, import your rclone.conf in Settings. Your files stay where they are; Ultra Explorer works directly with your existing accounts.
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Yes. Search (Pro) scans every storage you pick in parallel, for example Google Drive, OneDrive, your NAS and your computer, and lists every match in one place. Filter by name, extension, modification date or size, then open or move the file straight from the results.
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Free covers the dual-pane explorer, every storage, transfers and folder totals. Pro (monthly, yearly or lifetime) adds multi-storage search, space analysis and scheduled synchronizations.
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Yes. The Docker image runs the web version on your server or NAS. You sign in from a browser, and the web app can be installed on a phone.
Try Ultra Explorer for free
Download Ultra Explorer for macOS, Windows, Linux, or deploy on your NAS via Docker.