Sender

Sender is a unified email and SMS marketing platform for small businesses, ecommerce teams, B2B companies, creators, and nonprofits. It is strongest for organizations that need campaigns, automation, lead capture, and transactional delivery together. The free tier offers substantial sending room, while subscriber ceilings and free-plan branding deserve close attention before you commit.

Overview

Sender brings campaign management, SMS, automation, landing pages, signup forms, popups, and analytics into one service. A drag-and-drop builder suits visual campaign production, while an HTML editor gives experienced senders more direct control. Workflows, personalization, segmentation, and A/B testing cover the operational needs of teams running recurring or targeted programs.

Transactional messages can travel through REST API or SMTP, with SPF, DKIM, and DMARC authentication. That combination makes Sender suitable when marketing messages and application-triggered email need to share a platform. Automatic unsubscribe links, physical-address template variables, and double opt-in settings support CAN-SPAM and GDPR-oriented processes. A responsible disclosure program addresses serious classes of security issue, including SQL injection, remote code execution, stored XSS, account takeover, and cross-account data access.

Key features

• Campaigns and testing: Email and SMS campaigns, personalization, audience segmentation, analytics, and A/B testing let teams target and refine communications rather than send one undifferentiated broadcast.
• Automation: Workflow tools are useful for repeatable journeys, while transactional API and SMTP delivery cover system-generated messages. Teams should still match expected traffic to the plan's monthly quota.
• Audience growth: Landing pages, signup forms, and popups provide built-in acquisition points, reducing the need to assemble separate lead-capture tools.
• Integrations: Native connections include Shopify, WooCommerce, WordPress, PrestaShop, Magento, and Zapier. Automatic imports and third-party connections using API access tokens or external platform configuration extend those options, especially for ecommerce and CMS workflows.
• Support and governance: Free and Standard include 24/7 email and live chat support; Professional adds priority 24/7 support, and Enterprise adds phone support. Role-based seats and higher-tier controls matter more as teams grow.

Pricing

Sender uses a freemium model. Free Forever costs nothing and provides one seat, up to 2,500 subscribers, and up to 15,000 emails per month. Sender branding remains in this plan, so it fits testing, small lists, and organizations that can accept third-party branding rather than polished white-label output.

Standard costs $108 a year, billed annually, with the displayed first-year discount excluded. It includes three role-based seats, 500 subscribers, and 6,000 emails per month, and removes Sender branding. This is the practical entry point for a small team that needs shared access and branded sends, but the 500-subscriber ceiling is restrictive for a growing list.

Professional costs $180 a year, billed annually, with the displayed first-year discount excluded. Ten role-based seats and 12,000 monthly emails make it better for larger collaborators or heavier sending, while the subscriber limit remains 500. Enterprise uses custom pricing and adds unlimited emails, a dedicated success manager, advanced user permissions, a service level agreement, activity logs for auditing, and SSO (SAML v2). It is the appropriate tier when governance, support accountability, and unrestricted email volume outweigh the need for a published price.

Platforms

Sender is delivered through the web and an API. There is no dedicated mobile app; mobile access is through a mobile browser. The API is particularly relevant for transactional delivery and integrations, while browser access covers campaign and account work across devices.

Who it's for

Small and growing businesses can use the free tier to establish campaigns and automations, then move to Standard when branding removal and multiple seats matter. Ecommerce brands benefit from the Shopify, WooCommerce, Magento, PrestaShop, and related connections. B2B teams, creators, and nonprofits gain segmentation, forms, landing pages, and SMS in one toolkit. Organizations with more than 500 subscribers should examine Enterprise or another service early, because both paid self-service tiers retain that cap.

Pros and cons

Pros

• Broad channel coverage: Email, SMS, automation, landing pages, and transactional delivery reduce the number of separate systems a small team must coordinate.
• Generous free sending allowance: Up to 2,500 subscribers and 15,000 emails per month provide room to build an audience before paying.
• Useful delivery and compliance controls: REST API, SMTP, authentication standards, unsubscribe handling, address variables, and double opt-in support both operational and regulatory requirements.
• Team-ready upgrades: Standard and Professional remove branding and add role-based seats, with Professional increasing seats to ten and doubling the monthly email allowance.

Cons

• Paid subscriber cap: Standard and Professional each allow only 500 subscribers, which can force an Enterprise discussion as a list expands.
• Free branding: Free Forever includes Sender branding, limiting its fit for organizations seeking fully branded communications.
• No native mobile app: Mobile users must work in a browser instead of a dedicated application.
• Annual billing on published paid tiers: Standard and Professional are quoted per year, so the commitment is larger than a month-to-month headline price.

Alternatives

Choose Mailchimp instead if you want a mobile app and a free plan capped at 250 contacts, 500 emails per month, one audience, and one seat. AWeber is a fit for a free lifetime plan allowing 500 subscribers and 3,000 monthly emails, with web and API access. MailerLite suits users who need iOS access and a free tier with 250 subscribers, 2,500 monthly emails, two seats, three automations, and one landing page.

For fundraising-centered work, Donorbox, Funraise, Givebutter, or Action Network may be a better match. Bento is another nonprofit-oriented option. Browse Email Marketing Software, Nonprofit Email Marketing Software, or AI Email Marketing Software when you want a wider category comparison.

Verdict

Sender is a strong choice for small teams that want email, SMS, automation, lead capture, and transactional delivery in one web service, especially while a list fits the free plan's generous limits. Choose it for breadth, API delivery, and ecommerce integrations. Look elsewhere if your paid audience will quickly exceed 500 subscribers, if you require a native mobile app, or if annual billing and free-plan branding do not fit your operating model.