// guide · email marketing
Mailchimp Pricing Explained: Why Your Bill Keeps Going Up
If you've watched your Mailchimp bill creep from $13/month to $350/month without changing what you actually send, you're not imagining it. Here's exactly how their pricing works, and why it scales the way it does.
The core mechanic: pricing is per-contact, not per-send
Mailchimp doesn't charge based on how many emails you send — it charges based on your total contact count, including unsubscribed and unengaged contacts on some plans. This means:
- A list that grows from lead magnets, free trials, or webinar signups inflates your bill even if most of those contacts never open an email
- "Cleaning" your list (which most people don't do regularly) is the only lever to bring the price back down
Real cost examples (Premium tier, June 2026 pricing)
| Contacts | Approx. monthly cost |
|---|---|
| 500 | ~$20/mo |
| 2,500 | ~$80/mo |
| 10,000 | ~$350/mo |
| 50,000 | $1,000+/mo |
The jump from 2,500 to 10,000 contacts is where most growing SaaS/ecommerce companies feel it hardest — you're paying for scale before the revenue from that list has caught up.
Why this catches people off guard
- Free trial signups count as contacts even if they never convert
- Old/cold subscribers still count unless you actively archive them
- Tier jumps are steep, not gradual — crossing a threshold can mean a 2–3x price jump overnight
What to do about it
Option 1: Clean your list regularly. Archive contacts who haven't opened anything in 6+ months. This directly lowers your bill.
Option 2: Switch tools for the use case that's inflating your cost. If most of your "contacts" are actually product users getting transactional or lifecycle emails (not a marketing newsletter), a tool built for that — like Loops — charges less for the same volume because it's priced for SaaS usage patterns, not ecommerce blast campaigns.
We compared this exact swap in detail: Mailchimp Premium vs Loops — verified savings of roughly $3,000/year for a 10k-contact SaaS list.
Option 3: Split your tools. Some teams keep Mailchimp for actual marketing campaigns (where its automation and ecommerce features earn their cost) and move transactional/product emails to a cheaper dedicated tool. This avoids paying marketing-suite prices for emails that don't need marketing-suite features.
Bottom line
Mailchimp's pricing model punishes list growth regardless of engagement. If your list grew because of product usage rather than marketing reach, you're very likely overpaying for the wrong category of tool.