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Marketing · head to head

Buffer vs SEMrush

Buffer logo

Buffer

Marketing

Build your audience organically on social media

From
Free
Rated
-
Full reviewWebsite
SEMrush logo

SEMrush

SEO

Do SEO, content marketing, competitor research, PPC and social media marketing from just one platfor

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; SEMrush free tier limited to 10 reports per day across all tools
  • They diverge on capability: Buffer covers Post scheduling, SEMrush covers Keyword research.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Buffer and SEMrush actually diverge.

Attributes where Buffer and SEMrush differ
AttributeBufferSEMrush
Pricing modelUnknownsubscription
PlatformsWeb, iOS, AndroidWeb, Mobile app
CategoryMarketingSEO
Founded20102008

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

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 SEMrush

  • Keyword research
  • Site audit
  • Competitor analysis
  • Backlink analytics
  • Rank tracking
  • Content marketing
  • PPC research
  • Social media tools

Both cover

  • Zapier

What people use each for

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

Buffer

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

SEMrush

  • SEO keyword research and competitor analysisnot Buffer
  • Website performance tracking and auditingnot Buffer
  • Content marketing optimizationnot Buffer
  • PPC advertising researchnot 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

SEMrush

  • Free tier limited to 10 reports per day across all tools
  • Keyword tracking capped at 500 per month on entry tiers (SEO and Starter plans)
  • Additional users cost £45/month per user above base subscription
  • Most advanced features require Advanced plan (£455.67/month), making entry cost significant for small teams

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

SEMrush

Free
  • FreeFree
    • 1 demo project with basic features
    • No credit card required
    • For trying out the platform
  • SEO Plan$117.33/month
    • Annual billing ($1407.96/year)
    • Monitor 5 websites
    • Track 500 keywords daily
  • Starter Plan$165.17/month
    • Annual billing ($1982.04/year)
    • 5 websites, 500 keywords tracked daily
    • MCP access with 50 AI prompts tracked across search platforms
  • Pro+ Plan$248.17/month
    • Annual billing ($2978.04/year)
    • 15 websites, 1,500 keywords daily
    • 100 AI prompts tracked

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 SEMrush if

  • You need keyword research.
  • You want to start without paying.
  • You work on Web, Mobile app.
  • You also want site audit.
SEMrush review

Questions people ask

Is Buffer or SEMrush better?
Neither clearly leads. Buffer starts at Free and SEMrush at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Buffer or SEMrush?
Buffer starts at Free and SEMrush at Free.
Does Buffer or SEMrush run on more platforms?
Buffer runs on Web, iOS, Android. SEMrush runs on Web, Mobile app.
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 SEMrush is typically brought in for.
What can Buffer do that SEMrush cannot?
Buffer covers Post scheduling, Content calendar, Analytics dashboard, Link shortening. SEMrush covers Keyword research, Site audit, Competitor analysis, Backlink analytics. Both handle Zapier.

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
SEMrush: How much does Semrush cost?

Semrush starts at $117.33/month for the SEO Plan with annual billing and goes up to $455.67/month for the Advanced Plan. A free tier is available with 1 demo project and basic features. Prices increase with monthly billing instead of annual.

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
SEMrush: What does each Semrush plan include?

Plans scale from 5 to 40 websites monitored, 500 to 5,000 keywords tracked daily, and include progressively more features like MCP access and API access at higher tiers. Advanced Plan includes dedicated support.

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
SEMrush: Are there add-on options for Semrush?

Yes, additional users cost $45/month, and reporting features range from $10-$20/month. Enterprise plans with unlimited projects and dedicated support are available with custom pricing.

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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