Side-by-side comparison
Brevo (Sendinblue) vs Substack
Complaint records and Risk Scores compared. Both are in the Email Marketing category.
✓ Brevo (Sendinblue) has a lower documented Risk Score.
Brevo (Sendinblue)'s Risk Score of 7 is lower than Substack's 20.
That said, always read the full complaint records before deciding.
✓ Lower risk
Full Brevo (Sendinblue) record →
Product A
Brevo (Sendinblue)
European email and CRM platform with a rebranding and growing reputation
7
Clean Record
out of 100
1 documented warning
Email Marketing
Email Marketing
Product B
Substack
Newsletter and podcast platform that takes 10% of paid subscription revenue
20
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 | Brevo (Sendinblue) | Substack |
|---|---|---|
| BBB Complaints | — | — |
| Lawsuits & Legal Action | — | — |
| Misleading Marketing | — | — |
| Customer Complaints | 1 | 1 |
| Churn & Retention | — | — |
| Billing Problems | — | 1 |
| Support Failures | — | — |
Severity breakdown
| Severity | Brevo (Sendinblue) | Substack |
|---|---|---|
| Critical | — | — |
| High | — | — |
| Medium | — | 1 |
| Low | 1 | 1 |