Flat-rate, unlimited-site pricing has an obvious surface appeal — one predictable number, no per-site math. For an agency actually running a diverse portfolio of client sites, it usually breaks down in one of two predictable directions.
If a tool genuinely charges the same amount regardless of how many sites you monitor, the provider’s business model only works by either capping meaningful usage somewhere hidden in the terms, or by pricing the flat rate high enough to cover the heaviest possible user — which means an agency with three small sites is subsidizing agencies with three hundred. Neither version is actually sustainable or fair once you look past the marketing page.
Plans priced in fixed site-count buckets (say, "up to 10 sites" then "up to 25 sites") create an awkward cliff: adding one site past a tier boundary can mean a large jump in price for adding a single small site, and there’s no way to reflect that a five-page brochure site and a high-traffic WooCommerce store don’t actually cost the same to monitor and protect.
Per-site pricing lets the cost structure match the reality of the portfolio: price each site individually based on what it’s actually worth protecting, and the total scales linearly and predictably as sites are added or removed — no tier cliffs, no unused capacity paid for in advance, no guessing which bucket to commit to.
For an agency that already bills clients individually for site maintenance, per-site pricing on the underlying tool maps naturally onto how the agency already invoices its own clients — a higher-value client’s site can be priced higher in the tool (and billed higher to that client) without needing to justify a single flat number across every client relationship, regardless of how different those relationships actually are.
When evaluating per-site pricing from a vendor, the real questions are: can a site be added or removed without a support ticket or a contract renegotiation, is the price genuinely per-site or is "per-site" marketing language for a tiered plan with extra steps, and does a free tier exist for a first site so a new agency relationship or a personal project doesn’t require a commitment before there’s any revenue behind it. The honest answer to all three tells you whether the pricing model is built around the customer’s actual usage, or around making the pricing page look simpler than the reality underneath it.
This is exactly the model WPGuard uses — see the real, current per-site numbers on the Pricing page, including how the free tier works for a first site.
Connect a site in a few minutes and get your first inventory scan back immediately.
Try free →