Side Whisper vs Rambox:what is different on Windows?
If you live in web apps, both keep them in one place on Windows: Rambox in workspaces, Side Whisper on a rail at the edge of the screen.
If you also want your Windows apps on the same rail, a browser over your games or dictation on your PC, the rows below show where the two differ.
Side Whisper and Rambox, row by row.
Both keep your web apps together, in different shapes: Rambox groups them in workspaces, and Side Whisper docks a rail to the edge of the screen and opens each web app in its own compact browser window beside it.
| Feature | Side Whisper | Rambox |
|---|---|---|
| Platforms | Windows 10 (1809 or later) and Windows 11, 64-bit; no macOS, Linux, ARM64, mobile or browser-extension version | Windows, macOS and Linux, 64-bit |
| Monthly price | $4.99 a month (Pro) | $7.00 a month (Pro) |
| Yearly price | $39 a year (Pro) | $70 a year (Pro) |
| Lifetime price | $99 once for the first 100 lifetime licenses, then $149; 12 months of Sync included | Offered as one payment with no renewals; its price appears after sign-in, so it is not verified here |
| Free plan | Free, with no time limit and no account: the sidebar, Windows apps, the browser windows, ad blocking, all four window modes and four speech models | Basic, free: up to 2 instances of each app and 1 active session |
| Free trial | No Pro trial; Free has no time limit, and one refund per account within 14 days of a purchase | 30 days of Pro, no credit card; the account then returns to Basic |
| Web apps in a sidebar or workspaces | A rail at the left or right edge of the screen; each web app opens in its own compact browser window beside it (Free) | Yes, with workspaces as a Pro feature |
| Separate profiles for the same app | Separate accounts for the same app (Pro) | Basic: up to 2 accounts of the same app, each isolated; Pro: a private or custom profile per app, with no instance limit |
| Browser extensions | Not supported | Listed among the Pro features; which extensions, not stated |
| Cloud sync of settings | Pro: web apps, bookmarks, templates, themes, Dictionary, Snippets and portable settings between your PCs; with a lifetime license 12 months, then $12 a year | Yes, with the account: workspaces, apps, their order and settings, custom profiles; sign-ins stay on each computer |
| Device limit | Free: any PC, no account; Pro: 3 PCs on one account | Basic: 1 active device; Pro and the trial: 3 active at a time, on as many installs as you like |
| Every plan and price | Side Whisper pricing | Rambox pricing (opens in a new tab) |
Verified on 23 October 2026 on Rambox’s pricing and help pages: Pricing (opens in a new tab), How to become Pro (opens in a new tab), Active sessions (opens in a new tab), Several accounts of the same app (opens in a new tab), How Rambox works (opens in a new tab) and Support FAQ (opens in a new tab).
Prices in each vendor’s currency and billing model, as its pages show them: Rambox in US dollars, Pro paid monthly or yearly; Side Whisper in US dollars, taxes included, paid monthly, yearly or once. They may change.
Found a mistake? Email support@sidewhisper.app.
Where Rambox wins
- Builds for macOS and Linux, beside Windows.
- A Teams plan at $14 per user a month, with centralized billing.
- A 30-day Pro trial with no credit card.
- Up to 2 accounts of the same app on the free Basic plan; separate accounts are a Pro feature in Side Whisper.
- Extensions, listed among its Pro features; Side Whisper does not support browser extensions.
Where Side Whisper is different
- Windows apps sit on the same rail as your web apps, in Free: a click starts one or brings it forward.
- Gaming View keeps the rail and its windows over a game in Borderless windowed mode, and clicks pass through to the game.
- Dictation runs on your PC with downloaded speech models; with Pro it can also use your own provider and API key.
- Nine built-in themes in Dark, Light and Auto, all in Free.
- Free runs on any PC with no account and no time limit; Pro covers 3 PCs on one account.
- Help center on Free, and priority email support on Pro.
Try it beside your work.Free to start.
Side Whisper Free has no time limit and needs no account.