About 36; min
Email marketing still delivers one of the best returns on investment of any digital channel — roughly $36 for every $1 spent, according to Litmus. But with pricing models that range from flat monthly fees to usage-based contact tiers, picking the wrong platform can cost you thousands every year as your list grows.
We analyzed 8 of the most popular email marketing platforms across pricing at four list sizes (1K, 5K, 25K, and 100K contacts), automation capabilities, deliverability reputation, and target use cases. Here’s what we found.
Quick Comparison: All 8 Platforms at a Glance
| Platform | 1K contacts | 5K contacts | 25K contacts | 100K contacts | Best for |
|---|---|---|---|---|---|
| Mailchimp | Free / $13 | $45 | $270 | $800+ | Beginners, small businesses |
| ConvertKit | Free / $25 | $66 | $166 | $466 | Creators, solopreneurs |
| ActiveCampaign | $15 | $49 | $149 | $505 | Advanced automation, B2B |
| Brevo | Free | Free | $25 | $65 | High-volume senders on a budget |
| MailerLite | Free / $9 | $19 | $109 | $360 | Small businesses, bloggers |
| Klaviyo | Free / $20 | $100 | $400 | $1,380 | E-commerce, Shopify stores |
| Drip | $39 | $89 | $299 | $899 | E-commerce automation |
| Constant Contact | $12 | $55 | $195 | $405 | Nonprofits, local businesses |
Prices are monthly (billed monthly) as of early 2026. Brevo pricing is based on email send volume, not contacts — figures above reflect typical send volume for list sizes shown.
The 8 Best Email Marketing Platforms for 2026
1. Mailchimp — Best for Beginners
Mailchimp remains the most recognizable name in email marketing, and for good reason — its free tier and drag-and-drop editor make it genuinely easy to get started. But it’s also become one of the more expensive options as your list scales, and its 2019 pricing overhaul left many long-term users frustrated.
Pricing at scale: At 1K contacts, you’re looking at $13-$20/month depending on features. At 5K, pricing jumps to $45/month on the Standard plan. By 100K contacts, you’re paying $800 or more — significantly more than most competitors.
Automation: Standard and Premium plans include multi-step automation workflows, behavioral targeting, and A/B testing. The free tier is limited to single-step automations, which cuts out most meaningful journeys.
Deliverability: Mailchimp has solid deliverability — typically in the 88-92% range in independent tests. Its shared sending infrastructure is well-maintained, and the platform proactively removes inactive addresses.
What it lacks: Advanced CRM features are thin compared to ActiveCampaign. The free plan’s contact cap (500) is among the most restrictive of the group.
2. ConvertKit — Best for Creators
ConvertKit rebranded to “Kit” in late 2024, but the product philosophy hasn’t changed: it’s built specifically for independent creators — bloggers, podcasters, course sellers, and newsletter writers. The subscriber-first model (everyone on your list is a subscriber, not a contact in a segment) makes list management unusually clean.
Pricing at scale: The free plan covers up to 1,000 subscribers, which is genuinely useful. At 5K, you’re at $66/month; at 100K, $466/month — meaningfully cheaper than Mailchimp at scale.
Automation: Visual automation builder with conditional branching, tag-based segmentation, and sequence management. Not as deep as ActiveCampaign, but more than enough for most creator use cases. The Creator Pro plan adds advanced reporting and newsletter referral programs.
Deliverability: Consistently strong — ConvertKit enforces list quality standards and its spam complaint rates are low. Creators who monetize with paid newsletters report good inbox placement.
Commerce features: Built-in tip jars, paid subscriptions, and product sales (digital downloads) without needing an external tool — a genuine differentiator for creator businesses.
3. ActiveCampaign — Best for Automation Depth
ActiveCampaign sits in a category of its own when it comes to automation complexity. Its visual workflow builder can handle logic that most other platforms can’t — conditional branching, goal-based triggers, CRM pipeline stages, lead scoring, and predictive sending.
Pricing at scale: The Starter plan ($15/mo at 1K contacts) is competitive. But most of the power features require the Plus plan ($49/mo+). At 25K contacts, you’re at $149/month on Starter — one of the better deals for mid-sized lists.
Automation: Best-in-class among the tools here. Multi-step workflows with splits, waits, conditions, and goals. CRM deal pipelines, sales sequences, and site tracking that adjusts automation behavior based on what contacts do on your website.
Deliverability: Strong, with dedicated IP options on higher plans. ActiveCampaign also provides deliverability consulting and has proactive monitoring built in.
Learning curve: This platform takes time. The interface has improved significantly in recent years, but you should expect a few weeks before you’re using it efficiently. The free migration service helps if you’re switching from another tool.
4. Brevo (formerly Sendinblue) — Best Value for High-Volume Senders
Brevo does something unusual in this market: it charges by email volume, not contact count. If you have a large list but only email a fraction of it each month, Brevo can be dramatically cheaper than contact-based competitors.
Pricing model explained: The free plan allows 300 emails/day (roughly 9K/month) to unlimited contacts. The $25/month Starter plan includes 20K emails/month. For context, sending one email/month to 25K contacts costs $25 on Brevo; the same list on Mailchimp Standard costs $270/month.
Automation: Marketing automation is available on the Business plan ($65/mo+). Workflows are solid — not ActiveCampaign level, but sufficient for most e-commerce and lead nurturing use cases.
Deliverability: Good, particularly given the price. Brevo operates its own sending infrastructure and has dedicated IP options on Business and Enterprise plans. Inbox placement rates are competitive with Mailchimp.
SMS and transactional email: Brevo includes transactional email and SMS marketing in the same platform — useful if you want one tool handling both marketing and triggered notification emails.
5. MailerLite — Best for Small Businesses
MailerLite punches above its price point. For $9-$19/month, you get a clean editor, decent automation, landing pages, and a website builder — features that cost multiples more on Mailchimp or Klaviyo.
Pricing at scale: Among the most affordable in this group. At 25K contacts, $109/month beats nearly every competitor. At 100K, $360/month is strong value. The free plan (1K contacts, 12K emails/month) is one of the most generous available.
Automation: Multi-step workflows, behavioral triggers, and segmentation are included on all paid plans. Not as deep as ActiveCampaign, but the visual builder is intuitive and covers 90% of use cases.
Deliverability: MailerLite has improved significantly in recent years. Inbox placement rates are competitive, and the platform enforces list quality with double opt-in defaults. Some users report occasional deliverability issues with cold lists, so warming up new addresses is recommended.
Worth noting: The free plan requires approval before you can start sending, and approval can take 24-48 hours. Not a dealbreaker, but plan accordingly.
6. Klaviyo — Best for E-Commerce
Klaviyo is built for e-commerce, and it shows at every level. Deep Shopify and WooCommerce integrations, revenue attribution on individual emails, cart abandonment flows, browse abandonment, post-purchase sequences, and predictive lifetime value modeling — these features are native, not afterthoughts.
Pricing at scale: Klaviyo is expensive. At 5K contacts, you’re paying $100/month — more than double MailerLite and notably more than ConvertKit. At 100K contacts, the $1,380/month price tag is the highest in this group by a wide margin.
Automation: The best e-commerce automation available. Pre-built flows for every major e-commerce trigger, with revenue data flowing directly into the workflow builder so you can see exactly which automations are generating sales.
Deliverability: Strong, with dedicated sending infrastructure and active deliverability monitoring. E-commerce senders with engaged lists report excellent inbox placement.
The ROI argument: Klaviyo’s own data shows e-commerce stores typically generate $85+ per customer from email. If their attribution is accurate and your products have reasonable margins, the higher price tag can justify itself quickly — but verify the numbers with your own store data before committing.
7. Drip — Best for E-Commerce Automation (Alternative)
Drip positions itself as a CRM for e-commerce — combining email marketing with customer data that goes deeper than most platforms. Every contact has a full activity log, purchase history, and behavioral profile that feeds into automation triggers.
Pricing at scale: Drip starts at $39/month for up to 2,500 contacts — there’s no free tier and no sub-$39 entry point. At 5K contacts, $89/month is in the same range as Klaviyo. At 100K, $899/month is cheaper than Klaviyo’s $1,380 but more than most other options.
Automation: Strong e-commerce automation with visual workflows, behavioral triggers, and native integrations with Shopify, WooCommerce, and Magento. The “Liquid” templating system allows highly personalized email content based on purchase history.
Deliverability: Good, with consistent inbox placement. Drip has a smaller user base than Klaviyo, which means cleaner shared IPs — a potential advantage for deliverability.
vs. Klaviyo: Drip is cheaper at scale but lacks Klaviyo’s predictive analytics and Shopify App Store integration depth. For stores already running deep on Shopify, Klaviyo usually wins on features. For WooCommerce or multi-platform stores, Drip is worth a serious look.
8. Constant Contact — Best for Nonprofits and Local Businesses
Constant Contact has been around since 1995 and still has a loyal user base, particularly among nonprofits, local businesses, and organizations that prioritize phone support over the latest features.
Pricing at scale: Mid-range pricing — more than Brevo or MailerLite, roughly comparable to Mailchimp. At 100K contacts, $405/month is reasonable. The Lite plan at $12/month is one of the cheapest entry points in the group.
Automation: Basic. Constant Contact’s automation capabilities are notably weaker than most competitors here — simple autoresponder sequences, welcome emails, and birthday sends. If automation is a priority, this isn’t the right tool.
Support: Where Constant Contact genuinely differentiates: it offers phone and chat support on all plans, including live one-on-one setup sessions. For less technical users or organizations without a dedicated marketing person, this matters.
Deliverability: Solid and consistent. Constant Contact has a long track record and strong relationships with major ISPs. Nonprofit users in particular report reliable inbox placement.
Head-to-Head: Pricing at Scale
To make the pricing comparison concrete, here’s what each platform costs at four common list sizes:
| Platform | 1,000 contacts | 5,000 contacts | 25,000 contacts | 100,000 contacts |
|---|---|---|---|---|
| Brevo | Free | Free | $25 | $65 |
| MailerLite | Free/$9 | $19 | $109 | $360 |
| ConvertKit | Free/$25 | $66 | $166 | $466 |
| ActiveCampaign | $15 | $49 | $149 | $505 |
| Constant Contact | $12 | $55 | $195 | $405 |
| Mailchimp | Free/$13 | $45 | $270 | $800+ |
| Drip | $39 | $89 | $299 | $899 |
| Klaviyo | Free/$20 | $100 | $400 | $1,380 |
Table sorted by 25K contact price, ascending. Brevo pricing estimated from email send volume equivalent.
Automation Depth Compared
| Platform | Multi-step workflows | Conditional branching | Behavioral triggers | Lead scoring | CRM integration |
|---|---|---|---|---|---|
| ActiveCampaign | Yes | Yes | Yes | Yes | Built-in |
| Klaviyo | Yes | Yes | Yes (e-com) | Predictive | Limited |
| Drip | Yes | Yes | Yes (e-com) | No | Basic |
| ConvertKit | Yes | Yes | Yes | No | No |
| Brevo | Yes | Yes | Yes | No | Built-in |
| MailerLite | Yes | Yes | Limited | No | No |
| Mailchimp | Yes (paid) | Limited | Limited | No | Basic |
| Constant Contact | Limited | No | No | No | No |
Final Verdicts: Which Platform Should You Choose?
How We Ranked These Platforms
Pricing data was collected from each platform’s public pricing page in March 2026. Where pricing has changed recently (Mailchimp and ConvertKit both adjusted pricing in 2023-2024), we used current published rates. Deliverability data draws on published reports from Email Tool Tester and Litmus, plus user reports in the r/emailmarketing community.
Automation depth was assessed by evaluating each platform’s published feature set and cross-referencing with user reviews on G2 and Capterra. We gave extra weight to features accessible on entry-level paid plans, since locking key features behind premium tiers affects real-world usability.
Use our pricing calculator to find the cheapest platform for your specific list size and send volume.
