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It's a split decision.
Choose Constant Contact for email, social, SMS, and event tools in one platform, with listed monthly plans from $12 and defined user caps. Choose Klaviyo if you want a free tier, customer data features, and email or SMS pricing that scales with active profiles. Klaviyo’s pricing page lists paid email from $20/month; Constant Contact’s pricing page lists annual prepay from $10.20/month. Compare plan limits and add-ons before switching, especially as your list or channel needs grow.
01Side by side
| Constant Contact | Klaviyo | |
|---|---|---|
| Paid starting price | $12/month; $10.20 with annual prepay | $20/month for Email |
| Free plan | No free plan listed | Up to 250 profiles |
| Best for | Email, social, SMS, and event marketing | B2C brands using profile-based marketing |
| Core strength | Email, social, SMS, and event tools | Unified data and omnichannel messaging |
| Learning curve | Ease-of-use review score: 4.5 | Ease-of-use review score: 7.5 |
| Integrations and data | Contact management and segmentation | 400+ integrations; unified customer data |
| Team and seat costs | 2 users at Lite; unlimited at Premium | Seat pricing not published |
| Support | Review support score: 4 | Review support score: 4.5 |
Constant Contact Choose Constant Contact if
- Choose Constant Contact if you need social and event tools alongside email.
- Choose Constant Contact if you want listed user limits by plan.
- Choose Constant Contact if you prefer a fixed monthly plan price.
Klaviyo Choose Klaviyo if
- Choose Klaviyo if you want a free plan capped at 250 profiles.
- Choose Klaviyo if you need 400+ listed integrations and unified data.
- Choose Klaviyo if your email or SMS needs scale with active profiles.
02Pricing compared
Constant Contact has no free plan listed. Its monthly prices are $12 for Lite, $35 for Standard and $80 for Premium; annual prepay reduces those listed monthly rates to $10.20, $29.75 and $68. Lite includes 2 users and 1 automation template, while Premium includes unlimited users and automations. SMS for Lite and Standard starts at $10 per month, and email overages cost $0.002 per send.
Klaviyo has a free tier for up to 250 active profiles and 500 monthly email sends. Paid Email starts at $20 per month for 251–500 profiles; Email and SMS starts at $35 for that profile tier. Costs scale with profiles and, for SMS, credit volume. No annual discount is published. Compare your list size, sends and add-ons before switching.
03Features and depth
Constant Contact is the broader channel bundle for teams that want email, SMS, social and event marketing in one platform. Its listed tools include responsive email campaigns, AI-assisted copy, subject-line testing, automation templates, contact segments, landing pages, social scheduling and event registration. Lite has 1 automation template and 1 custom segment; Standard has 3 templates and 10 segments. Premium includes unlimited custom automations and segments, plus 500 SMS messages per month.
Klaviyo is more focused on customer data and messaging. Its Data Platform unifies behavioral, transactional and engagement data, while its messaging coverage includes email, SMS, RCS, WhatsApp and mobile push. Klaviyo lists 400+ integrations. Composer can plan campaigns for marketer approval, and the homepage says Customer Agent autonomously resolves 65% of support questions. Those AI and data features may matter more to a B2C team than Constant Contact’s social and event tools. Choose based on the channels and customer data you actually need.
04Ease of use and learning curve
Our review scores favor Klaviyo on ease of use: 7.5 versus 4.5 for Constant Contact. Constant Contact’s review also flags reported editor problems, so buyers should not assume its wider channel coverage means a smoother workflow.
Klaviyo’s pricing requires more attention as a list grows: paid plans scale with active profiles, and SMS costs also depend on credit volume. Constant Contact’s tiers instead specify user, automation and segment caps. Those differences make the setup trade-off clearer, but the published material does not establish how long either product takes to learn. Check the limits that match your team before moving campaigns or contacts.
Questions people ask
What is Mailchimp and Constant Contact?
Constant Contact is a cloud-based marketing platform for email, SMS, social media and events, with contact management, automation and reporting. The published product information does not cover Mailchimp’s features or pricing, so we can’t make a grounded comparison between the two here.
How should I choose a Klaviyo agency?
Ask whether the agency can work with the Klaviyo channels and data you need, including email, SMS and integrations. Confirm how it will manage active-profile pricing and SMS credits as your list grows. The published information does not identify or recommend specific agencies.
Is Klaviyo a CRM platform?
Klaviyo describes itself as an autonomous B2C CRM and AI marketing platform. Its Data Platform unifies behavioral, transactional and engagement data, and its messaging covers email, SMS, RCS, WhatsApp and mobile push.
What is better, Mailchimp or Klaviyo?
The published information supports a comparison of Klaviyo with Constant Contact, not Mailchimp. Klaviyo offers a free tier and profile-based pricing; Constant Contact bundles email, SMS, social and event tools. We’d need Mailchimp’s current plan details to compare it fairly.