Compare·Cometly

It follows ad spend through to closed deals.

Cometly ties ad spend to deals and revenue for software companies that sell to other businesses. There is no free plan or trial, and its MCP server is a read-only beta on the top plan.

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What Cometly is

A marketing attribution platform for B2B software companies that links ad clicks to deals in your CRM and to revenue in Stripe.

Licence: Proprietary
Hosting: Their cloud only
Best at: Showing B2B teams which ads create pipeline and closed deals.

Where Cometly wins.

If one of these is a must-have for you, go with them.

It reads ad spend and deals

Cometly pulls spend from your ad accounts and deal stages from your CRM, such as HubSpot or Salesforce. So you can judge a campaign by the deals it creates, long before anyone pays. We never see spend, and our revenue starts at the payment.

It sends conversions back

Cometly sends your conversions back to the ad platforms, LinkedIn among them. Their bidding then learns from real buyers. We send nothing to any ad platform.

It has more ways to split credit

Cometly offers eight attribution models. One is U-shaped, which gives most of the credit to the first and last touch. Its window can run from one day to a customer’s whole lifetime. Ours is last-touch or linear, over 1 to 90 days.

It puts whole accounts on one timeline

When several people from one company take part in a deal, Cometly shows all of them on one timeline. Ours shows one person at a time.

Where Spreelytics wins.

Every line here is a page in the product today.

You can try it for free

Our Free plan takes 100k events a month, forever, with revenue attribution in it. Cometly has no free plan and no trial. Its price comes from a call about your monthly pageviews.

MCP comes with every plan

Our MCP server lets AI apps such as Claude work with your data. It is part of every plan, Free included. Your agent can read the numbers and, within your role, build reports and dashboards. Cometly’s MCP is a read-only beta on its Enterprise plan.

Funnels take any page or event

A funnel here takes up to eight steps, and each step can be any page or event. Journeys show the routes people take through your pages. Cometly’s funnel follows sales stages, from the first visit to the deal won.

Search Console sits beside your traffic

Our SEO page shows Search Console data next to your traffic. You see the searches you show up for and the pages they land on. Search Console is not among Cometly’s integrations.

Side by side.

We leave prices out because Cometly can change theirs at any time. Ours are on the pricing page.

Spreelytics compared with Cometly, feature by feature
Feature	Spreelytics	Cometly
Free tier	100k events / month, 13 months of data	No free plan or trial
Data sampling	Never sampled	No sampling mentioned
Cookies	One first-party cookie, or cookieless	Cookieless, uses a fingerprint
Open source	Not included	Not included
Self-hosting	Not included	Not included
Funnels	Included	Visit to deal won, by stage
Retention and cohorts	Included	Revenue cohorts
Path analysis / journeys	Included	Per contact or account
Person-level timelines	Included	Included
Revenue attribution you control	Last-touch or linear	8 models, incl. U-shaped
AI crawler and bot traffic	Included	Not included
MCP access for AI agents	Included	Read-only beta, Enterprise only
Session replay	On Growth	Not included
Feature flags and experiments	Not included	Not included

Moving over.

Every one of these starts by leaving Cometly running.

Keep Cometly running

It holds your deal history and keeps sending conversions to the ad platforms. Leave it in place while data collects here.

Add our script next to their pixel

Paste our one script tag beside the Cometly pixel. Pageviews and sessions start arriving on the next request.

Connect your payments

If your revenue is in Stripe or Paddle, connect the same account in Settings. Then pass our visitor id in the checkout metadata. Each payment can then be traced to the visit that led to it.

Follow people into the product

Funnels and retention can use events from inside your app. Track the few events that show a new user got started, one call each.

FAQ

Switching from Cometly.

What people ask before they switch.

Can Spreelytics show pipeline by ad?

No. Our revenue comes from your payment provider, so a deal shows up when it is paid. Deals still in your pipeline never reach us. If pipeline by ad is what your team reports on, Cometly is built for that.

Can I still see which ads paid off?

You can see which channels and campaigns brought in the revenue. Tag your ad links with UTM fields, and each campaign gets its own row with the revenue it earned. What we cannot show is cost, because we never read your ad accounts.

Cometly works without cookies. Does Spreelytics?

It can. By default we set one first-party cookie. A project switched to cookieless stores nothing in the browser at all, and an anonymous visitor then counts as new each day.

Cometly avoids cookies in a different way. Its pixel recognises a visitor from signals such as the IP address and the screen size. Ask your privacy people which approach suits you.

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Free up to 100k events a month · no credit card