Sender’s free plan is generous, not unlimited
Sender currently advertises up to 2,500 subscribers and 15,000 monthly emails on its Free Forever plan. It also lists automation, segmentation, templates and analytics. Among well-known no-card options, that is a strong free allowance.
The limits still matter. A growing list can cross 2,500 subscribers, and sending six full-list campaigns uses 15,000 emails. Branding and feature terms should be checked on the current plan page.
| Usage pattern | Result | Likely next step |
|---|---|---|
| 2,500 subscribers × 6 campaigns | 15,000 monthly sends | At the published send ceiling |
| 3,000 active subscribers | Above free subscriber ceiling | Reduce lawful inactive data or choose paid/alternative |
| 1,000 subscribers × 4 campaigns | 4,000 monthly sends | Comfortably within published limits |
The subscriber ceiling is the main constraint
A healthy newsletter can outgrow 2,500 subscribers quickly. Upgrading keeps Sender’s hosted delivery, automation and workflow in place. Migrating may lower cost but requires rebuilding forms, templates, events and suppression handling.
Do not delete active permission records merely to remain free. Remove duplicates and contacts that should lawfully be suppressed or deleted, but preserve opt-out protection.
FreeEmailSender as a paid campaign alternative
FreeEmailSender is not a larger forever-free plan. Its trial covers 100 emails for three days. Its advantage begins when an occasional sender wants predictable campaign pricing: $0.001 per email from 500 recipients and $9 for up to 100,000 monthly emails.
The application uses connected SMTP and currently accepts up to 500,000 recipients per campaign. The SMTP provider must approve the volume and may charge separately.
Brevo and MailerLite alternatives
Brevo’s free plan supports 300 daily sends and a much larger contact store, making it useful when gradual sending is acceptable. MailerLite’s official free page currently lists 250 subscribers and 2,500 monthly messages with editors and limited automation.
Neither simply replaces Sender. Brevo’s daily cap can delay launches, and MailerLite’s subscriber limit is smaller. Compare the constraint that actually blocks the next campaign.
When upgrading Sender is the sensible choice
Stay with Sender when automations, forms, templates and analytics already support revenue or customer communication. The time saved by preserving a working system may exceed the difference between its paid plan and a lower-cost campaign tool.
Before moving, calculate annual cost, staff migration time and the risk of breaking subscriber journeys. A cheaper invoice is not a saving if it requires rebuilding valuable operations.
Frequently asked questions
What is Sender’s free subscriber limit?
Sender currently advertises up to 2,500 subscribers on its free plan.
How many emails can Sender Free send monthly?
The published allowance is up to 15,000 emails per month.
What is a Sender alternative for occasional campaigns?
FreeEmailSender offers pay-per-email campaigns through connected SMTP. Brevo and MailerLite provide different free-plan tradeoffs.
Sources and further reading
These official product, pricing, policy, or methodology pages were reviewed for the factual claims in this article. Features and prices can change, so confirm current terms before making a decision.