MailOptin vs SendLayer

MailOptin wins 1 of the 1 points we can measure. Here's how they compare on price, features, ratings and deals.

At a glance

FeatureMailOptinSendLayer
Our score8.5/10Not rated
Starts at$99/year$5/month
Free versionYes (better)No
Refund window14 days14 days
BillingSubscriptionSubscription
Active installs10K+–
Last Black Friday––
CategoryEmail marketingEmail marketing
VendorMailOptinSendLayer
Black Friday 2026Not announcedNot announced

Which should you choose?

Choose MailOptin if…

  • WordPress sites building an email list
  • Site owners who want popups and an autoresponder in one plugin
  • You want to start free

Choose SendLayer if…

  • WordPress sites sending transactional email
  • Small brands and developers needing an SMTP service

Features

MailOptin

  • Lead generation
  • Email automation
  • Exit intent
  • Targeted campaigns
  • A/B testing
  • Built-in analytics

SendLayer

  • API and SMTP relay
  • Email authentication
  • Bounce and suppression management
  • Open and click tracking
  • Event-based webhooks
  • Blocklist management and anti-spam

Pros and cons

MailOptin

  • Free version available on WordPress.org with 10,000+ active installations
  • Lifetime Pro option at 999 with no annual renewals
  • 14-day money-back guarantee on paid plans
  • Built-in A/B testing and analytics for opt-in forms
  • Only 3 verified G2 reviews, so little review data to compare
  • Works with WordPress only, not WordPress.com plans without custom plugin support
  • Paid plans start at 99 per year for one site

SendLayer

  • Plans start at 5 dollars per month billed annually
  • Includes DKIM, SPF and DMARC setup
  • 14-day money-back guarantee on all plans
  • Offers both API and SMTP relay sending
  • No permanent free plan, only a free trial of up to 200 emails
  • All plans are billed annually
  • Higher volume needs a custom quote

Pricing plans

MailOptin

  • StandardStarts here

    $99/year

    1 site sites

    • Lead generation
  • Pro

    $289/year

    3 sites sites

    • Lead generation
    • Email automation
    • Newsletters
  • Agency

    $499/year

    Unlimited sites

    • Lead generation
    • Email automation
    • Newsletters

SendLayer

  • StarterStarts here

    $5/month

    1 sender domain sites

    • 1,000 emails per month
    • 3 days of log retention
    • Standard support
  • Business

    $15/month

    3 sender domains sites

    • 5,000 emails per month
    • 15 days of log retention
    • Premium support
  • Growth

    $25/month

    5 sender domains sites

    • 10,000 emails per month
    • 30 days of log retention
    • Premium support

MailOptin vs SendLayer questions

Is MailOptin better than SendLayer?

On our comparison MailOptin comes out ahead on 1 of 1 measurable points. The right pick still depends on what you build.

Which is cheaper, MailOptin or SendLayer?

MailOptin starts at $99/year and SendLayer starts at $5/month.

Can I get MailOptin or SendLayer cheaper on Black Friday?

Both are on our Black Friday tracker. We'll add each discount the moment it goes live.

Both products

MailOptin

8.5/10

Convert website visitors into subscribers and WordPress users, send one-off newsletters, and create automated, event-triggered follow-up emails.

Free version
Yes
Price
From $99/year
Category
Email marketing

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