ConvertKit ◆
ConvertKit (now Kit) is an email-first platform that automates email marketing, newsletter growth, and digital product sales for creators.

Acumbamail (Email Marketing): Acumbamail is an all-in-one email and SMS marketing platform with a free forever plan. Pricing: from $0/mo. (data verified August 2026)
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Acumbamail is an email and SMS marketing platform designed to help businesses of all sizes create and send campaigns from a single tool. It combines email marketing, SMS marketing, landing pages, and surveys, making it easy to engage customers and grow your business without the need for multiple platforms.
Acumbamail is ideal for small to medium-sized businesses, freelancers, agencies, and institutions looking for a cost-effective solution to manage their marketing communications. It's not designed for large enterprises that require complex automation and dedicated infrastructure — for those, there are more robust platforms like Salesforce Marketing Cloud.
Use Acumbamail to send promotional emails, automate welcome sequences, deliver transactional SMS notifications, and create landing pages for lead generation. With its user-friendly editor and 850+ templates, even beginners can create professional campaigns in minutes.
Editorial score from our review methodology — not user ratings.
Acumbamail pricing: from $0/mo.
$0/month — Includes up to 250 subscribers, up to 2,000 emails per month, email editor, and basic features. No credit card required.
Pricing varies by volume — Includes everything in Free, plus 850+ customizable templates, phone support, automations, website builder, A/B testing, comprehensive reports, and SMTP.
Pricing varies by volume — Includes everything in Basic, plus agency account, automatic forwarding, list cleaning, Facebook Audiences, priority sending queue, monthly email marketing consulting, surveys, social media management, and content sources.
Pricing varies by volume — Includes everything in Pro, plus priority support, email marketing consulting, account manager, unlimited previews, and dedicated IP.
All plans come with a free trial. Annual billing offers a 20% discount.
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