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Tessera vs Responsively vs Polypane
All three help you stop resizing one window. Tessera is the browser-native infinite canvas: live tiles you can share as a mosaic, with Pro captures and cloud localhost when you need evidence or a teammate's eyes.
| Tessera | Responsively | Polypane | |
|---|---|---|---|
| Model | Infinite canvas of live tiles | Desktop app, mirrored panes | Multi-pane browser |
| Runs in the browser | Yes, no install | No (Electron) | Yes (Chromium shell) |
| True device DPR captures | Pro (Playwright export ZIP) | Screenshots | Yes |
| Share a live mosaic | Read-only link (Free 7-day / Pro permanent) | Limited | Cloud workspace |
| Localhost in the cloud | Pro (tessera dev tunnel) | Local only | Local / sync |
| Free tier | 2 tiles, sync, share, 1 Mosaic | Open source / free app | Trial / paid plans |
| Best for | Teams that want a shareable device wall in the browser | Solo local QA | Devs who live in a multi-pane browser |
Prefer to feel it? Open the canvas (no signup) or start on the canvas. Pricing is on /pricing.