Campaign Monitor by Marigold vs Loops

Campaign Monitor is for newsletters and campaigns where design and reports matter. Loops is for SaaS teams whose emails follow product events. Pick by whether your product feeds your email or your marketing team does.

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The verdict Side by side Plans and pricing Who each is for Other options

The verdict

If you are a SaaS company and your emails should follow sign-ups, activation and cancellation, I'd pick Loops. One contact record then drives onboarding, lifecycle and transactional email.

If you are an agency, a services business or a small team that sends newsletters and campaigns and wants them to look right, I'd pick Campaign Monitor.

Loops needs clean events from your product, so budget engineering time before you move over. Campaign Monitor needs none, but it will not react to product behaviour on its own. If you want cold outreach, neither fits.

What the data says

Both cover 2 of the 2 features we compared.
Both have a free plan, so you can try each before you pay.
Campaign Monitor by Marigold starts lower, at $12/mo against $49/mo.
Only Loops has an MCP server, so an AI employee can work in it directly.
In our Email nurture ranking, Loops places 5 and Campaign Monitor by Marigold 4 of 8.

Side by side

Campaign Monitor by Marigold and Loops compared
6 points compared	Campaign Monitor by Marigold	Loops
Starts at	$12/mo	$49/mo
Free plan	Yes	Yes
API	Yes	Yes
MCP server	No	Yes
Behaviour-triggered emails	Yes	Yes
Subscriber preference centre	Yes	Yes
Links	Visit	Visit

Plans and pricing

Campaign Monitor by Marigold

FreeUp to 500 contacts and 500 emails a month.Free
LitePrice depends on contact tier; $12 a month at 0-500 contacts, 2,500 sends a month.$12/mo
EssentialsPrice depends on contact tier; $29 a month at 0-500 contacts, unlimited sends.$29/mo
PremierPrice depends on contact tier; $159 a month at 0-500 contacts, unlimited sends.$159/mo

Loops

FreeFree forever for up to 1,000 subscribed contacts and 4,000 sends in any rolling 30 days, with Loops branding.Free
Early Stage PlanPaid, priced by subscribed contacts with unlimited sends, no branding and free team seats; entry price covers up to 5,000 contacts.$49/mo

Prices as the vendors list them. They change often; the final price is on their sites.

Who each is for

Choose Campaign Monitor by Marigold if…

Campaign Monitor suits agencies, solo marketers and small businesses that send on a regular schedule and want clear reports. Templates keep emails on brand without a designer, and the visual automation designer handles sequences.

It does not replace a CRM, and automation tied to CRM data may need a trial before you trust it. Paid plans scale with list size and sending, and Marigold's packaging can shift, so ask what each plan includes.

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Choose Loops if…

Loops suits a SaaS team where engineers send product events and marketers write the emails. It can replace both a transactional sender and a marketing email tool. Its docs list integrations with Supabase, Stripe, Segment, PostHog and HubSpot.

The free plan covers a limited number of contacts and sends, with a Loops footer on your emails. Paid plans are priced by subscribed contacts with unlimited sends, and team seats are free. If you sell to shoppers in a store, Klaviyo is a better match.

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