Stop paying $79–149/month for email software
Send unlimited cold emails.
Free. Forever.
That's $1,000–$1,800 a year your competitors burn on email tools. You'll spend zero. Connect your SMTP, upload contacts, hit send.
No credit card. No trial expiration. Windows 10/11.
Email software shouldn't cost more than your email hosting
Think about it. You pay $6/month for Google Workspace. Then some SaaS charges you $79/month — to send emails through the account you already pay for. That's backwards.
$79/mo
Mail****
$49/mo
Insta****
$149/mo
Lem****
XSendFlow: $0
What you actually get
Everything. Free. No catch.
Unlimited sending — no daily caps, no credits
Any SMTP provider — Gmail, Outlook, Hostinger, Zoho
CSV import — drop a file, we detect the columns
Sender rotation with percentage sliders
{{name}}, {{company}}, {{email}} personalization
Campaign analytics with delivery rates
Duplicate campaigns. Save templates.
Spam word detector built in
Dark mode. Desktop app. Offline-capable.
Your contacts never leave your computer
Pause and resume any campaign anytime
No signup. No account. No verification.
The only thing that costs money
Servers aren't free
The desktop app costs nothing to run. Tracking pixels and server sending need actual servers — and those have bills. $14/month covers it.
Desktop App
Free
forever
Everything listed above
Unlimited sending
Any SMTP provider
Your data stays local
Server Add-on
$9/mo
annual · $99/yr
Everything in Free
Open & click tracking
Server sending (PC off)
Per-sender analytics
Your first campaign goes out today
Download. Connect your email. Send. Free.
Download XSendFlowWindows 10/11 · Free forever