How do Klaviyo and Loops prices compare?

Klaviyo: custom or unlisted usage pricing at 10,000 profiles. Loops: custom or unlisted usage pricing at 10,000 contacts. Different billing units are not an equal-workload comparison. Estimates exclude unlisted add-ons and taxes.

What matters for transactional email?

Review SMTP or API integration, domain authentication, bounce and complaint events, suppression handling and delivery-log retention.

Can I compare marketing and agent email by sends?

Only when the published plan actually bills by sends. Contacts, subscribers and inboxes stay in their own billing units.

What features and free access does Klaviyo list?

E-commerce data, Omnichannel, Shopify ecosystem. Free access: Limited free plan. Check plan-specific availability and current terms on the provider's official pricing page.

What features and free access does Loops list?

SaaS lifecycle email, Event tracking, Modern UI. Free access: Trial. Check plan-specific availability and current terms on the provider's official pricing page.

Email APIs · side by side

Klaviyo vs Loops

Compare Klaviyo, Loops by sending volume, delivery webhooks, inbound email, domain limits and retention.

Email APIs pricing calculator

These providers bill in different units. Each estimate uses its own workload; there is no same-volume price winner.

Klaviyo

Number of profiles

10K

Loops

Number of contacts

10K

Klaviyo

Custom / not listed

Custom / unlisted usage pricing · 10K profiles

Loops

Custom / not listed

Custom / unlisted usage pricing · 10K contacts

Listed USD plan fees and tracked usage only. Unlisted compute, transfer, extras, taxes and contract terms are excluded. Custom or unsupported plan usage is not estimated.

Email APIs overview & pricing

Email APIs	Klaviyo	Loops
Provider	Klaviyo	Loops
Billing unit	profiles	contacts
Plan at selected usage	Custom / unlisted usage pricing	Custom / unlisted usage pricing
Monthly estimate	Custom / not listed	Custom / not listed
Workload	10K profiles	10K contacts
Free access	Limited free plan	Trial
Published plans	Free	Early Stage Plan (Free)
Prices checked	2026-10-08	2026-10-08

Provider

Klaviyo: Klaviyo
Loops: Loops

Billing unit

Klaviyo: profiles
Loops: contacts

Plan at selected usage

Klaviyo: Custom / unlisted usage pricing
Loops: Custom / unlisted usage pricing

Monthly estimate

Klaviyo: Custom / not listed
Loops: Custom / not listed

Workload

Klaviyo: 10K profiles
Loops: 10K contacts

Free access

Klaviyo: Limited free plan
Loops: Trial

Published plans

Klaviyo: Free
Loops: Early Stage Plan (Free)

Prices checked

Klaviyo: 2026-10-08
Loops: 2026-10-08

Email APIs monthly cost

Klaviyo: Not pricedLoops: Not priced

Different workloads, separate estimates

Separate transactional delivery from campaigns, outreach and agent inboxes. Compare monthly sends and daily caps; contacts, seats and inboxes are not sending allowances. Budget separately for dedicated IPs, validation and attachments.

Which email providers fit your needs?

Klaviyo features & plan notes

E-commerce data
Omnichannel
Shopify ecosystem

Full pricing Official Pricing

Loops features & plan notes

SaaS lifecycle email
Event tracking
Modern UI

Full pricing Official Pricing

How to compare email providers

Browse Email APIs pricing

Klaviyo vs Loops — FAQ

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