Buttondown vs Sender
Buttondown is a newsletter platform while Sender is a email marketing platform. Sender has been around since 2012, giving it a 5-year head start over Buttondown (founded 2017). Buttondown is the more affordable option at $9/mo, which is $1 less than Sender's $10/mo entry point. Both offer free plans to get started. Sender has the edge with A/B testing, landing pages, SMS marketing. Both tools work well for indie and bootstrapped.
Quick Verdict
Buttondown wins on price, deliverability.
Sender wins on rating, integrations.
Best for most users: Buttondown (developers).
Buttondown
The easiest way to start and grow your newsletter
Buttondown is a minimalist newsletter platform beloved by developers and writers who prefer Markdown over drag-and-drop editors. It focuses on writing quality and simplicity, with excellent API support for custom integrations and automations.
Sender
Affordable email and SMS marketing
Sender offers one of the most generous free plans in email marketing, combined with built-in SMS capabilities. It's an excellent choice for budget-conscious businesses that need both email and SMS marketing without breaking the bank.
Feature Comparison
| Feature | Buttondown | Sender |
|---|---|---|
| Rating | 4.4/5 | 4.7/5 |
| Starting Price | $9/mo | $10/mo |
| Free Plan | 100 subscribers | 2,500 subscribers |
| Founded | 2017 | 2012 |
| Email Templates | 0 | 50 |
| Integrations | 45 | 50 |
| Deliverability Rate | 98% | 97% |
| Marketing Automation | Yes | Yes |
| A/B Testing | No | Yes |
| Landing Pages | No | Yes |
| Segmentation | Yes | Yes |
| Drag & Drop Editor | No | Yes |
| SMS Marketing | No | Yes |
| Ecommerce Features | No | Yes |
| API Access | Yes | Yes |
| Multi-Language | No | Yes |
| Web Push Notifications | No | No |
| Live Chat | No | Yes |
| Advanced Analytics | No | No |
Buttondown: Pros & Cons
Pros
- + Markdown-first writing experience
- + Excellent API for developers
- + Clean, minimal interface
- + Paid subscription support
- + Custom domain on free plan
Cons
- − No visual email editor
- − Minimal templates
- − No A/B testing
- − Small free plan (100 subscribers)
- − Limited integrations
Sender: Pros & Cons
Pros
- + Extremely generous free plan (2,500 subs, 15,000 emails)
- + Built-in SMS marketing on all plans
- + Very affordable paid plans
- + Ecommerce integrations for abandoned cart
- + No credit card required for free plan
Cons
- − No A/B testing
- − No landing page builder
- − Smaller integration ecosystem
- − Less well-known brand
- − Limited advanced features
The Verdict
Sender edges ahead with a 4.7/5 rating compared to Buttondown's 4.4/5. The gap comes mainly from ease of use (4.8 vs 3.9) and support (4.8 vs 4.1). On deliverability, Buttondown reports 98% compared to 97% for Sender — a meaningful difference if inbox placement is critical for your campaigns.
| Criterion | Weight | Buttondown | Sender |
|---|---|---|---|
| Starting Price | 30% | $9/mo Winner | $10/mo |
| Deliverability | 25% | 98% Winner | 97% |
| Rating | 25% | 4.4/5 | 4.7/5 Winner |
| Integrations | 10% | 45 | 50 Winner |
| Free Tier | 10% | Yes | Yes |
Weights determine how much each criterion counts toward the final score. See full methodology
Choose Buttondown if…
- + You want lower starting costs ($9/mo)
- + You're a developers
- + You're a writers
Choose Sender if…
- + You need SMS marketing
- + You need ecommerce integrations
- + You need built-in landing pages
- + You need A/B testing