Buffer vs MailerSend: Complete Comparison (2026)
An in-depth comparison of Buffer and MailerSend to help you choose the right tool for your business.
Last updated: November 2026
Buffer
6.5/10
Buffer is a social media management tool for small businesses, creators and individuals that schedules posts, tracks analytics and manages comments across major networks.
MailerSend
6.9/10
MailerSend is a transactional email and SMS API with SMTP relay and a template builder, aimed at developers and businesses sending app-triggered messages.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.5/10 | 6.9/10 |
| Scalability | 5/10 | 7/10 |
| Ease of Use | 9/10 | 8/10 |
| Customization | 5/10 | 6/10 |
| Security | 5/10 | 6/10 |
| Support | 5/10 | 8/10 |
| Cost | 9/10 | 7/10 |
| Integration | 6/10 | 7/10 |
| Analytics | 5/10 | 6/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $5/mo Essentials | $7/mo Hobby |
| Estimated cost for 10 users | $10/mo Team | $110/mo Professional |
| Features | ||
| Email Marketing | ||
| Competitor Analysis | Not listed | |
| SMS Marketing | Not listed | |
| Social Media Analytics | Not listed | |
| Social Media Scheduling | Not listed | |
| TikTok Analytics | Not listed | |
| Webinars | Not listed | |
Buffer vs MailerSend cost by team size
Buffer and MailerSend cost the same at 1 user; MailerSend costs less at 5 users; Buffer costs less from 10 users.
| Team size | Buffer | MailerSend |
|---|---|---|
| 1 user | FreeFree | FreeFree |
| 5 users | $10/moTeam | $7/moHobby |
| 10 users | $10/moTeam | $110/moProfessional |
| 25 users | $10/moTeam | $110/moProfessional |
| 50 users | $10/moTeam | $110/moProfessional |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose Buffer
- Lower estimated cost for 10 users: $10/mo vs $110/mo
- Higher Cost score (9/10 vs 7/10)
- Higher Ease of Use score (9/10 vs 8/10)
- Better fit for freelancers (8/10 vs 6/10)
- Better fit for small business (9/10 vs 7/10)
Why choose MailerSend
- Higher Support score (8/10 vs 5/10)
- Higher Scalability score (7/10 vs 5/10)
- Better fit for enterprise (6/10 vs 3/10)
- Better fit for agencies (7/10 vs 5/10)
- Includes Email Marketing, which Buffer lacks
Pros & Cons
Buffer
Pros
- Free plan covers 3 channels with scheduling, a community inbox and basic Insights, so solo users can start at no cost.
- Reddit users often praise how fast Buffer is to learn: about a quarter of the comments NapoleonCat analysed mention its simplicity.
- Supports 11 networks, including newer ones like Threads, Bluesky, Mastodon and Substack.
- The Team plan includes unlimited users and approval workflows without charging per seat.
- Paid plans include a public API with documented rate limits, which suits teams that want to automate posting.
Cons
- Reviewers on G2 and Reddit call the analytics and reporting basic compared with Sprout Social or Hootsuite.
- There is no tracking of competitor accounts, only aggregate benchmarks.
- Per-channel pricing gets expensive for agencies with many accounts.
- Support is described as email-only and inconsistent, and Trustpilot reviews cite billing problems and posts that failed to publish.
- The community inbox cannot pull in comments on ads and has no rule-based moderation.
MailerSend
Pros
- Developers can send through a REST API or an SMTP relay, with SDKs and connectors for Laravel, Django, Rails, Symfony, Supabase and Firebase.
- A free tier of 500 emails and a $7 Hobby plan make it cheap to start.
- Capterra reviewers repeatedly praise its responsive support and clear documentation.
- Built-in blocklist and DMARC monitoring help teams protect deliverability.
- Starter and higher plans add an SMS API, and a WhatsApp add-on is available.
Cons
- It is built for transactional email, not full marketing campaign management.
- Reviewers report sudden throttling or account suspensions after bounce or complaint thresholds are crossed.
- Free and Hobby plans keep only one day of activity history.
- SMS is limited to the USA and Canada.
Not sold on either?
Why We ViralOur product
Free TikTok analytics for social media teams: see which formats, hooks, and topics get views for any creator or competitor, and turn them into content ideas.
Made by the team behind b stack radar. Shown here because it fits this topic. It is not part of our rankings. How we rank tools
Frequently Asked Questions
MailerSend scores higher on our Marketing criteria: 6.9/10 against 6.5/10 for Buffer. The largest gap is in Support: 5/10 for Buffer and 8/10 for MailerSend.
Buffer costs less for 10 users: about $10/mo on its Team plan, against about $110/mo on its Professional plan for MailerSend, billed monthly.
Yes, both Buffer and MailerSend have a free plan.
MailerSend is the better fit for enterprise: we rate it 6/10 for them, against 3/10 for Buffer.
MailerSend has Email Marketing, which Buffer lacks.
