Is Constant Contact cheaper than Klaviyo?

At 5,000 contacts in this example snapshot, Constant Contact is $80/mo (Constant Contact $80/mo, Klaviyo $100/mo). At 10,000 contacts: Constant Contact $120/mo vs Klaviyo $150/mo.

Which is better for ecommerce, Constant Contact or Klaviyo?

Klaviyo is marked ecommerce-native in the dataset. Constant Contact is not.

Does Constant Contact have SMS compared with Klaviyo?

SMS is present on both in this snapshot. Carrier fees are not modeled.

Which has deeper automation?

Constant Contact is 3/10; Klaviyo is 5/10. The score is an editorial 1–10 in the JSON, not a vendor claim.

Head-to-head · 2–3–2 (A–B–tie)

Constant Contact vs Klaviyo

Constant Contact and Klaviyo overlap as email platforms but diverge on price, automation, and store data. At 5,000 contacts this example snapshot has Constant Contact at $80/mo. Klaviyo scores higher on automation depth (5/10). Klaviyo is marked ecommerce-native; the other is not. On the scored dimensions below, Constant Contact leads 2, Klaviyo leads 3, with 2 ties. This is a dataset tally, not an award.

Visit Constant Contact Visit Klaviyo

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Dimension winners

Price at 5k contactsConstant Contact: $80/moKlaviyo: $100/moConstant Contact
Price at 10k contactsConstant Contact: $120/moKlaviyo: $150/moConstant Contact
Automation depth (1–10)Constant Contact: 3Klaviyo: 5Klaviyo
SMSConstant Contact: YesKlaviyo: YesTie
CRMConstant Contact: NoKlaviyo: NoTie
Ecommerce-nativeConstant Contact: NoKlaviyo: YesKlaviyo
G2 scoreConstant Contact: 4.1Klaviyo: 4.6Klaviyo

Klaviyo wins more of the scored dimensions (3–2). Constant Contact can still be the right buy when local businesses outweighs those rows.

Full field dump for Constant Contact and Klaviyo from the JSON dataset.
Tool	Free plan	Price @ 1k	Price @ 5k	Price @ 10k	Model	Automation	SMS	CRM	Ecommerce	Landing pages	Forms	G2	Trial
Constant Contact	No free plan	$30/mo	$80/mo	$120/mo	contacts	3/10	Yes	No	No	Yes	Yes	4.1 (7,447)	60-day trial
Klaviyo	Free up to 250 contacts	$30/mo	$100/mo	$150/mo	active_profiles	5/10	Yes	No	Yes	No	Yes	4.6 (n/a)	No listed trial

Choose Constant Contact if

Choose Constant Contact over Klaviyo when local businesses is the job to be done.
Choose Constant Contact over Klaviyo when nonprofits is the job to be done.
Choose Constant Contact over Klaviyo when realtors is the job to be done.
Choose Constant Contact over Klaviyo when event promoters is the job to be done.
No free plan. 60-day trial.

Skip Constant Contact if

Do not pick Constant Contact vs Klaviyo if you specifically need advanced ecommerce flows.
Do not pick Constant Contact vs Klaviyo if you specifically need power automation users.
Do not pick Constant Contact vs Klaviyo if you specifically need developers needing deep API CRM.

Choose Klaviyo if

Choose Klaviyo over Constant Contact when Shopify ecommerce is the job to be done.
Choose Klaviyo over Constant Contact when DTC brands is the job to be done.
Choose Klaviyo over Constant Contact when email+SMS revenue flows is the job to be done.
Choose Klaviyo over Constant Contact when product catalog sync is the job to be done.
Free up to 250 contacts. No listed trial.

Skip Klaviyo if

Do not pick Klaviyo vs Constant Contact if you specifically need non ecommerce B2B newsletters.
Do not pick Klaviyo vs Constant Contact if you specifically need creators needing landing pages/courses.
Do not pick Klaviyo vs Constant Contact if you specifically need budget conscious large lists.

Dated pricing snapshot

Figures below are monthly USD list-size prices from data/esp-tools.json, last marked verified September 11, 2026. They are example placeholders until you swap in live quotes. Always confirm on the vendor pricing page.

Constant Contact1k $30/mo · 5k $80/mo · 10k $120/moModel: contacts · row date September 11, 2026
Klaviyo1k $30/mo · 5k $100/mo · 10k $150/moModel: active_profiles · row date September 11, 2026

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Brevo: Free up to 100,000 contacts · 5k $9/mo · SMS · WhatsApp · Moosend: No free plan · 5k $48/mo

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