Softwr

Marketing · head to head

Buffer vs Mailgun

Buffer logo

Buffer

Marketing

Build your audience organically on social media

From
Free
Rated
-
Full reviewWebsite
Mailgun logo

Mailgun

Marketing

Email delivery built for developers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Buffer the free plan allows 3 connected channels and 10 scheduled posts per channel; Mailgun free tier limited to 100 emails per day, restricting high-volume use cases
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Buffer and Mailgun actually diverge.

Attributes where Buffer and Mailgun differ
AttributeBufferMailgun
Pricing modelUnknownsubscription
PlatformsWeb, iOS, AndroidWeb
Founded2010Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Marketing).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Buffer

  • Post scheduling
  • Content calendar
  • Analytics dashboard
  • Link shortening
  • Hashtag manager
  • First comment
  • Instagram Stories
  • Shop Grid

Only in Mailgun

Nothing recorded that Buffer does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Buffer

  • Social media schedulingnot Mailgun
  • Content planningnot Mailgun
  • Performance analyticsnot Mailgun
  • Team collaborationnot Mailgun
  • Client managementnot Mailgun

Mailgun

  • Transactional email delivery and SMTP relaynot Buffer
  • Email marketing at scale for developers and enterprisesnot Buffer

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Buffer

  • The free plan allows 3 connected channels and 10 scheduled posts per channel
  • Essentials at $5 a month covers a single user; team members need the Team plan at $10 a month
  • Approval workflows and custom permissions are Team tier only
  • API access is rationed by plan, from 3,000 monthly requests on free to 15,000 on Team
  • Content ideas are capped at 100 on the free plan

Mailgun

  • Free tier limited to 100 emails per day, restricting high-volume use cases
  • Log retention minimal on lower tiers (1 day on Free and Basic plans)
  • Add-on pricing for email validations and extra emails can accumulate quickly for high-traffic users

Pricing, plan by plan

Buffer

Free
  • FreeFree
    • 3 connected accounts
    • 10 scheduled posts per channel per month
    • 100 content ideas
  • Essentials$5/month
    • Unlimited scheduled posts
    • Per-channel pricing
    • Advanced analytics
  • Team$10/month
    • Unlimited team members
    • Unlimited scheduled posts
    • Content approval workflows

Mailgun

Free
  • FreeFree
    • 100 emails per day
    • Basic APIs
    • SMTP relay
  • Basic$15/monthly
    • 10,000 emails per month
    • No daily limits
    • Monthly overage options
  • Foundation$35/monthly
    • 50,000 emails per month
    • 1,000 custom domains
    • Email template builder
  • Scale$90/monthly
    • 100,000 emails per month
    • SAML SSO
    • 5,000 email validations

Which should you pick?

Choose Buffer if

  • You need post scheduling.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want content calendar.
Buffer review

Choose Mailgun if

  • You want to start without paying.
Mailgun review

Questions people ask

Is Buffer or Mailgun better?
Neither clearly leads. Buffer starts at Free and Mailgun at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Buffer or Mailgun?
Buffer starts at Free and Mailgun at Free.
Does Buffer or Mailgun run on more platforms?
Buffer runs on Web, iOS, Android. Mailgun runs on Web.
Can I use Buffer for free?
Both have a free tier, so you can try either at no cost before committing.
What is Buffer best used for?
Buffer is most often used for social media scheduling, content planning, performance analytics, team collaboration. Of those, social media scheduling and content planning are not what Mailgun is typically brought in for.
What can Buffer do that Mailgun cannot?
Buffer covers Post scheduling, Content calendar, Analytics dashboard, Link shortening.

Answered from the vendors’ own pages

Buffer: Does Buffer's free plan include all social media platforms?

The free plan supports 3 connected accounts across any of Buffer's 11 supported platforms (Instagram, Facebook, TikTok, LinkedIn, X, YouTube, Threads, Pinterest, Google Business Profile, Bluesky, Mastodon) with up to 10 scheduled posts per channel per month.

Source
Mailgun: What happens when I exceed my monthly email quota?

Mailgun allows monthly overage options on paid plans. Extra emails are charged from $1.30 to $1.10 per 1,000 emails depending on plan tier. Enterprise customers negotiate custom rates.

Source
Buffer: Can I schedule Instagram Stories with Buffer?

No. Instagram Stories cannot be auto-published. Buffer sends a mobile notification to manually post stories, as Instagram does not provide an API for automated Story scheduling.

Source
Mailgun: Can I upgrade from Free to a paid plan and when does billing begin?

Yes, you can upgrade to paid plans anytime. The first month is free on Foundation ($35/month) and Scale ($90/month) plans, with billing starting on month two.

Source
Buffer: What is Buffer's per-channel pricing model?

Buffer charges per social media account (channel) rather than per user. Channels 1-10 cost standard rates ($5 Essentials or $10 Team), with additional channels beyond 10 discounted per channel.

Source
Mailgun: What currencies and billing periods does Mailgun support?

Mailgun supports monthly billing in USD, EUR, and GBP. Charges are prorated for mid-month signups. Annual billing options are not explicitly listed on the pricing page.

Source
Buffer: Does Buffer have a mobile app and what platforms does it support?

Yes, Buffer offers iOS and Android apps for mobile management. The iOS app supports Mastodon and YouTube comment features, while Android support for these features is in development. Android community access works on the six most recent major Android versions.

Source
Buffer: What discount does Buffer offer for annual billing?

Buffer offers a 20% discount for annual billing across all paid plans, plus an additional 50% discount on paid plans for nonprofit organizations.

Source
Buffer: Can Buffer integrate with content creation and storage tools?

Yes. Buffer integrates with 24 tools including Canva, Google Drive, Dropbox, Unsplash for media, Zapier and Make for automation, WordPress for publishing, and Claude, ChatGPT, and Perplexity for AI-assisted content creation.

Source
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