Revenue by source Stripe, Lemon Squeezy, Polar, Paddle, Dodo and Shopify by signed webhook. Each payment is matched to the visit that brought it.
atrby vs Mrkr
Mrkr does privacy-friendly analytics well, with replay and AI traffic too. atrby adds revenue from six payment processors by webhook, and a trial without a card.
Side by side.
Pricing and features, line by line.
| Capability | atrby | Mrkr |
|---|---|---|
| Pricing | ||
| What you are billed on | Pageviews only. Events, goals, revenue and replays never count | Pageviews only |
| Entry price | $19 Starter, $39 Growth at 150k pageviews | $5 at 100k, $14 at 300k, $29 at 1M pageviews |
| Free trial | 14 days, no card | No. $1 for the first 14 days, card required |
| Over your plan limit | Never locked. Moved up only after two months in a row over | Keeps recording, $0.05 per extra 1,000 pageviews |
| Revenue | ||
| Payment processors | Stripe, Lemon Squeezy, Polar, Paddle, Dodo, Shopify, plus a payment API | Stripe by webhook, or mrkr.revenue() from the page |
| Funnels | Every plan | Every plan |
| Product | ||
| Cookieless by default | Yes, with an optional Product mode per site | Yes, with an optional cookie mode per site |
| Session replay | 2,000 a month on Starter, 20,000 on Growth | Included on paid plans |
| AI traffic | AI referrals to revenue, plus which AI crawlers read your pages | AI referrals and 32 known crawlers |
| Data retention | 3 years on Starter, 5+ on Growth | 1, 2 or 3 years by plan |
| API and AI tools | MCP, API and CLI | MCP server, no public REST API |
| Seats | 1 on Starter, 30 on Growth | Unlimited on every plan |
Mrkr details come from mrkr.app/llms.txt and mrkr.app/pricing.md, checked on 24 Oct 2026. “Not listed” means we couldn’t find it there, not that it’s impossible. Prices in USD per month. If something is out of date, email hello@atrby.site and we’ll fix it within a day.
What you get with atrby
Only what it does today.
Cookieless by default No cookie banner needed in the default mode. Visitor ids come from a salt that changes daily and is deleted.
AI traffic Visits and revenue from ChatGPT, Perplexity, Claude and Gemini, plus which AI crawlers read your pages.
Funnels and goals Ordered funnels per visit and goals on pages or events, with the revenue of visitors who converted.
Web vitals from real visits LCP, INP, CLS, FCP and TTFB measured by the same script. No extra tag.
Priced on pageviews only From $19 a month. Events, goals, revenue and crawler hits are never metered.
Never locked out Over your tier we keep collecting and the dashboard stays open. A 14-day trial needs no card.
Alerts and a weekly digest Revenue drops, traffic spikes and a broken install by email. A Monday summary of what changed.
We only list what atrby does. Check Mrkr’s own site for their current features and pricing.
Run both side by side.
Keep whichever tells you more.
01 Add atrby next to Mrkr One script tag in the head. It doesn’t touch Mrkr, and both can run together.
<script defer src="https://atrby.site/atrby.js" data-site="…"></script> 02 Connect your payments One click for each processor. atrby pulls 90 days of payments on connect, so revenue by source fills in on day one.
03 Compare for 14 days Look at both side by side. Remove Mrkr only when the numbers line up, or keep both.
See it with your own traffic.
Free for 14 days.
Install in a minute, connect your processor, and see which sources pay. No card.
Start free trialMrkr is a trademark of its owner. We are not affiliated.