Side-by-side comparison
Constant Contact vs Klaviyo
Complaint records and Risk Scores compared. Both are in the Email Marketing category.
✓ Klaviyo has a lower documented Risk Score.
Klaviyo's Risk Score of 33 is lower than Constant Contact's 40.
That said, always read the full complaint records before deciding.
Product A
Constant Contact
The SMB email marketing incumbent — reliable, dated, with noted cancellation friction
40
Caution
out of 100
3 documented warnings
Email Marketing
Email Marketing
✓ Lower risk
Full Klaviyo record →
Product B
Klaviyo
E-commerce email and SMS platform with rapidly-escalating pricing
33
Mixed Signals
out of 100
2 documented warnings
Email Marketing
Email Marketing
Complaint category breakdown
Higher numbers in each row indicate more documented complaints in that category. Bold = more complaints than the other product.
| Complaint type | Constant Contact | Klaviyo |
|---|---|---|
| BBB Complaints | — | — |
| Lawsuits & Legal Action | — | — |
| Misleading Marketing | — | — |
| Customer Complaints | 2 | 1 |
| Churn & Retention | — | — |
| Billing Problems | 1 | 1 |
| Support Failures | — | — |
Severity breakdown
| Severity | Constant Contact | Klaviyo |
|---|---|---|
| Critical | — | — |
| High | 1 | 1 |
| Medium | 2 | 1 |
| Low | — | — |