Side-by-side comparison · Marketing & Ads
Buffer vs Klaviyo vs Mailchimp
Everything that matters when choosing between them, in one place: our rating, what each can do, what they cost, and the trade-offs.
Comparing 3 tools, the maximum.
At a glance
Pick it if: Small businesses, solo founders and creators who want to post regularly across several social networks without paying for an enterprise suite.
Pick it if: Online stores that want their email and SMS to run on real customer behaviour.
Pick it if: Small businesses that want a well-known, all-round email tool with lots of templates and app connections, and are happy to pay more as the list grows.
Klaviyo scores highest overall, but Buffer gives you more for your money. Which one is right comes down to what you value most.
Overview
| Attribute | Buffer | Klaviyo | Mailchimp |
|---|---|---|---|
| In one line | Schedules posts to every social network from one queue, with an AI writing helper. | Email and SMS for online stores, with AI that writes, segments and predicts. | Email newsletters, automations and sign-up forms for small businesses, with AI help. |
| Pricing model | Freemium | Freemium | Freemium |
| Starting price | $6/channel/mo | From $20/mo | $0 |
| Free plan | Yes | Yes | Yes |
| Works with Claude Code | Yes | Yes | Yes |
Rating breakdown
Our scores out of 5. The higher bar in each row is highlighted.
| Attribute | Buffer | Klaviyo | Mailchimp |
|---|---|---|---|
| Overall rating | 4.2 | 4.3Winner | 4.0 |
| Ease of useHow quickly someone non-technical gets value from it. | 5.0 | 4.0 | 4.5 |
| FeaturesHow completely it covers its own job, and how well the pieces fit together. | 3.5 | 5.0 | 4.5 |
| Output qualityHow good the results are before you fix them. | 4.0 | 4.5 | 4.0 |
| Value for moneyWhat you get for the price, including the free plan. | 4.5 | 3.5 | 3.0 |
| Speed & reliabilityHow fast it is and how often it falls over. | 4.0 | 4.5 | 4.0 |
Feature comparison
A tick means it does this today. A dash means we haven't checked.
| Attribute | Buffer | Klaviyo | Mailchimp |
|---|---|---|---|
| Access & platform | |||
| Free plan | Yes | Yes | Yes |
| Mobile app | Yes | Yes | Yes |
| Desktop app | No | No | No |
| Browser extension | Yes | No | – |
| API access | Yes | Yes | Yes |
| Teams & business | |||
| Team workspace | Yes | Yes | Yes |
| Enterprise plan or SSO | – | Yes | Yes |
| Connects to other apps | Yes | Yes | Yes |
| Open source or self-hosted | No | No | No |
| AI abilities | |||
| Works with your files | Yes | Yes | Yes |
| Understands images | – | – | – |
| Makes images | No | – | No |
| Makes video | No | No | No |
| Writes code | No | No | No |
| Runs agents or automations | No | Yes | No |
| Learns your brand or style | – | Yes | Yes |
| Works in many languages | Yes | Yes | Yes |
| Capabilities score | 8/ 17 | 10/ 17 | 9/ 17 |
Pricing
Plans as listed on each vendor's site when we last checked. Confirm before you buy.
| Attribute | Buffer | Klaviyo | Mailchimp |
|---|---|---|---|
| Plans | Free Free A sole trader posting a few times a week. | Free Free New stores building their first flows. | Free $0 Testing Mailchimp with a tiny list. |
EssentialsOur pick $6/channel/mo, or $5/channel/mo billed yearly One person running a business's social accounts. | EmailOur pick From $20/mo Most stores once they pass 250 contacts. | Essentials From $13/mo A small list that just needs newsletters and basic automations. | |
Team $12/channel/mo, or $10/channel/mo billed yearly Small teams who need approvals. | Email and SMS From $35/mo Stores that want text messages in the same flows. | StandardOur pick From $20/mo Small businesses that want AI help and proper automations. | |
Enterprise Custom Large brands with many stores or markets. | Premium From $350/mo Larger lists that want phone support and advanced testing. | ||
| Which plan to pick | Start on Free to see if you will actually post regularly. Move to Essentials once you need more than 10 posts queued per channel; Team is only worth it when someone else needs to approve posts. | Start on Free and build your welcome and abandoned cart flows before you pay anything. Move to Email when you cross 250 contacts, and only add SMS once email is working, because text messages cost extra per send. | Standard is the plan most small businesses should pick, because it has the AI and the automations. Essentials is fine if you only send a newsletter. Use the price calculator on Mailchimp's site with your real contact count, since prices rise with list size and vary by country. |
Key features
| Attribute | Buffer | Klaviyo | Mailchimp |
|---|---|---|---|
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Pros and cons
| Attribute | Buffer | Klaviyo | Mailchimp |
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Who each one is for
| Attribute | Buffer | Klaviyo | Mailchimp |
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Questions people ask
Which is better, Buffer, Klaviyo or Mailchimp?
Klaviyo scores highest overall in our ratings (Buffer 4.2/5, Klaviyo 4.3/5 and Mailchimp 4.0/5). Buffer is best for scheduling posts across many networks and small teams on a tight budget. Klaviyo is best for abandoned cart recovery and segments from a description. Mailchimp is best for regular email newsletters for a small business and welcome and abandoned cart automations.
Which is cheaper, Buffer, Klaviyo or Mailchimp?
Buffer: There's a free plan, and paid plans start at $6/channel/mo. Klaviyo: There's a free plan, and paid plans start at From $20/mo. Mailchimp: There's a free plan, and paid plans start at $0.
Which is easier to use, Buffer, Klaviyo or Mailchimp?
Buffer rates highest for ease of use in our scores. Small businesses, solo founders and creators who want to post regularly across several social networks without paying for an enterprise suite.
How we compare
Ratings are our own, from using each tool, across ease of use, features, output quality, value for money, speed & reliability.
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