
Mailchimp
8.3#1 in email marketing softwareFrom $13 a monthFree planAndroidiOSWebAPI
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| Fact | Mailchimp | MoonMail |
|---|---|---|
| A/B testing | A/B testing is offered for testing and optimizing email campaigns. | Yes |
| API | Mailchimp exposes open Marketing and Transactional APIs authenticated with OAuth or API keys. | MoonMail documents a REST API, webhooks, and SDKs for Node.js/JavaScript, Python, PHP, Ruby, and Go; it lists standard-plan limits of 1,000 requests per hour and enterprise limits of 10,000 per hour. |
| Audience segmentation | Yes | Yes |
| Email automation | Yes | Yes |
| Free plan | Yes | The help page says the free plan includes 2,000 emails per month and basic features, with no credit card required to start. |
| Monthly send limit | 5000 | 10000 |
Mailchimp suits people who need email campaigns alongside automation, segmentation, landing pages, or A/B testing. Its free plan may fit smaller contact lists and modest monthly sending needs.
You want what its maker publishes above — check its page for the details.