How reliable is Netletz?

Last updated: October 24, 2026

We'd rather you pick us because we're honest than because we sounded clever. So here is exactly what Netletz does, how fast it does it, and what it won't promise.

What happens after an alert

Every new watcher starts in Trailing mode. You can switch a watcher to Stop after the first alert on its card.

• Trailing. After the first alert we keep checking, but we only alert again if the value moves at least your chosen margin further in your favor (3% by default). Example: a diesel watcher fires at $3.99. Checks at $3.97 and $3.95 stay quiet; $3.87 (3% better) alerts again. If the price goes back above your target and later drops below it again, that's a fresh event and alerts regardless of the margin. Listing-style watchers (campsites, jobs, marketplace listings) alert once per new opening or listing.
• Stop after the first alert. We stop checking and the card shows a Re-arm button, so we don't spend checks on something you've already been told about.

On top of both modes, the same alert can't fire twice within 24 hours, which stops page glitches and tracking-parameter noise from repeating an alert.

When a match is confirmed before alerting

• Page reads (AI page, webpage and Amazon watchers): a new match is confirmed on a second check before you're alerted.
• Tickets: a concrete listing (a named site, the same event, a section or row, and an all-in price under your max) can alert on the first sighting. Anything less certain waits for a confirming check.
• Weather forecasts: a match is re-read right away from the same weather service before alerting. If a different service answers later, the match stays pending rather than being cancelled.
• Campsites: alert on the first match, because cancellations go fast. You may occasionally see a site that's already gone by the time you open it.

How fast we alert you

The fastest check each plan allows is every 15 minutes on Free, every 5 minutes on Pro, and every minute on Power. Plan speeds apply to weather, metals, stocks, crypto and forex, and to campsites on Recreation.gov, California and Virginia. Page reads (Amazon, AI, webpage and ticket pages) run at most hourly, eBay listings every 2 hours, AutoTrader every 6 hours, gas station prices every 3–6 hours, ReserveAmerica campsites every 2 hours, flights every 2–6 hours until 30 days out, and domains once a day. We poll your source on that schedule — we do not stream. When a check sees your condition met, we send a push notification, an email and an inbox card right after that check completes (plus a text message on Pro and Power). Expect to be alerted within one check interval of the change appearing on the source, plus any confirming check described above.

We do not promise "instant" or "in seconds" alerts. Anyone who does is either streaming a paid data feed (we aren't) or shading the truth.

How we show what we saw

• Every alert names where the value was found, with a link, when it was checked, and why it matched, so you can verify it before acting.
• A read that fails or gets blocked shows as Fetch failed in the watcher's history. It is never treated as a match or as "no match".
• Stock and forex prices from outside market hours are treated as stale and never trigger an alert.

Amazon prices (the most asked-about case)

Amazon's buy-box price changes by color, size, pack, coupons, and Subscribe & Save — often minute to minute. We track the exact variant (ASIN) you give us. If you paste a generic product link, we may track a different variant than the one you were looking at. Always copy the URL of the specific color / size you want.

What we won't promise

• No uptime SLA. We're a small service. We monitor ourselves (an alarm texts our admins if checks stop running), but we don't credit your subscription if a check slips by 30 minutes once a month.
• No guarantee on third-party sources. If Amazon or a booking site changes its page or blocks automated reads, a watcher can miss checks until we adapt. The /status page shows how each source is doing.
• No "watch literally anything." What we support today is listed on the home page. AI and webpage watchers handle a long tail of pages, but some sites block us and accuracy drops on unusual pages.

If something looks wrong

Hit the Check now icon on the watcher to force a fresh read. If the new number still doesn't match what you see, we want to know — reply to any Netletz email and a human will read it. You can also rate any alert Yes or No.

For incidents in progress, see /status.