Campnab notifies you and leaves the booking to you. Campsite Tonight automatically adds the site to your cart the moment a cancellation appears, so you just complete checkout.
Campnab is a cancellation-scanning service that monitors sold-out campgrounds and sends you an alert (text or email) when a site opens up. Per its own FAQ, Campnab does not book the site for you — you complete the reservation yourself.
| Feature | Campsite Tonight | Campnab |
|---|---|---|
| Adds the site to your cart automatically | Yes — auto add-to-cart on a cancellation | No — sends an alert; you book manually |
| Coverage | Recreation.gov (all 50 states) + state parks in 15 US states (5 with auto add-to-cart) + Canada (BC, MB, NL, NS, Parks Canada) | Recreation.gov, Reserve America, US state parks in many states, plus several Canadian provinces and Parks Canada |
| Geography | US + Canada | US + Canada |
| Scan frequency | As fast as ~20 seconds | ~1–15 minutes, depending on plan |
| Platform | iOS + Android app | Web-based service; text/email alerts |
Campnab lists roughly 3,133 parks and 14,877 campgrounds in its directory (its own published figures vary between pages).
Campnab details verified from public sources (Aug 2026); see sources below. Features and coverage may change — check Campnab for the latest.
No. Per Campnab's own FAQ, it does not book the campsite for you — it sends an alert when a site becomes available and you complete the booking yourself. Campsite Tonight instead adds the site to your cart automatically, so you just check out.
Both monitor sold-out campgrounds for cancellations. Campnab sends you a text or email alert to book manually; Campsite Tonight automatically adds the open site to your cart the instant it appears. Campsite Tonight is an iOS and Android app scanning as fast as every ~20 seconds; Campnab is a web-based service that scans roughly every 1–15 minutes depending on plan.
Yes. Campnab covers US systems (Recreation.gov, Reserve America and many US state parks) and several Canadian provinces plus Parks Canada. Campsite Tonight also covers both countries, with automatic add-to-cart across Recreation.gov, five US state systems, four Canadian provinces, and Parks Canada.
Campsite Tonight adds sold-out sites to your cart automatically the instant a cancellation appears. Free to download on iOS and Android.