Up to 4 at once.
| Criteria | Letterhead | PostUp |
|---|---|---|
| Weighted Score | 3.8/5 | 3.9/5 |
| Pricing | Custom quote based on number of newsletters and audience size; no public plans or free tier. | Custom enterprise pricing; requires a demo request for a personalized quote. |
| Platform Type | Email newsletter platform | Email newsletter platform |
| Deliverability & inbox placement | 3.8/5 | 4.2/5 |
| Audience growth tools | 3.2/5 | 4.0/5 |
| Segmentation & automation | 4.5/5 | 4.3/5 |
| Monetisation | 4.5/5 | 4.2/5 |
| Editor & template design | 3.5/5 | 3.8/5 |
| Analytics after Apple Mail Privacy Protection | 3.5/5 | 2.5/5 |
| Integrations & API | 4.5/5 | 4.1/5 |
| Subscriber management & data portability | 3.5/5 | 3.5/5 |
| Compliance & list hygiene | 2.5/5 | 4.0/5 |
| Sending performance at scale | 2.2/5 | 4.0/5 |
| Strengths | ✓ User-friendly interface ✓ Excellent customer support | ✓ Audience development tools designed to build and maintain subscriber relationships ✓ Data gathering and audience segmentation that doesn't disrupt the user experience |
| Limitations | ✗ No published pricing; quotes depend on newsletter count and audience size ✗ Audience and sending tools are only in Suite; Studio relies on your existing ESP | ✗ Smaller platform with less market presence than major competitors ✗ No transparent pricing — must be discussed with sales team based on individual use cases |
Letterhead
3.8
Rating
★ 3.8/5
Pricing
Custom quote based on number of newsletters and audience size; no public plans or free tier.
Platform
Email newsletter platform
Scores
Deliverability & inbox placement
3.8
Audience growth tools
3.2
Segmentation & automation
4.5
Monetisation
4.5
Editor & template design
3.5
Analytics after Apple Mail Privacy Protection
3.5
Integrations & API
4.5
Subscriber management & data portability
3.5
Compliance & list hygiene
2.5
Sending performance at scale
2.2
Strengths
✓ User-friendly interface
✓ Excellent customer support
Limitations
✗ No published pricing; quotes depend on newsletter count and audience size
✗ Audience and sending tools are only in Suite; Studio relies on your existing ESP
PostUp
3.9
Rating
★ 3.9/5
Pricing
Custom enterprise pricing; requires a demo request for a personalized quote.
Platform
Email newsletter platform
Scores
Deliverability & inbox placement
4.2
Audience growth tools
4.0
Segmentation & automation
4.3
Monetisation
4.2
Editor & template design
3.8
Analytics after Apple Mail Privacy Protection
2.5
Integrations & API
4.1
Subscriber management & data portability
3.5
Compliance & list hygiene
4.0
Sending performance at scale
4.0
Strengths
✓ Audience development tools designed to build and maintain subscriber relationships
✓ Data gathering and audience segmentation that doesn't disrupt the user experience
Limitations
✗ Smaller platform with less market presence than major competitors
✗ No transparent pricing — must be discussed with sales team based on individual use cases