INBOX

INBOX

Useinbox
Nitrosend

Nitrosend

Nitrosend Pty Ltd
+
+

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About

Send & Analyze email marketing campaigns. Start your free plan with unlimited sending. Free for a lifetime! Send personalized, scripted, and effective email marketing campaigns! Use our developed infrastructure to get high inbox rates. Starting from a simple welcome message to a complex set of customer-loyalty-increasing applications, you can automate many programs. As it is easier now to create, apply, and track new campaigns, you can focus on analyzing the results and get better for the future campaigns. Gain valuable insight into each campaign that you send using interactive reports. Gain complete control over your campaigns with a quick and thorough overview of your campaigns’ progress. Track unique and total open rates, click-through rates, bounce rates, forwards, and unsubscribes, and hold all the aces with INBOX in email marketing.

About

Nitrosend brings branded email campaigns, automated flows and transactional messages into one workspace. Teams can draft and review in the dashboard, use the CLI and REST API from their applications, or work through Claude, ChatGPT, Cursor and other agents over MCP. Agencies can manage separate client brands, transfer account ownership and stay on the team. Build signup journeys from product events, send order confirmations, test messages, and review before campaigns go live. The free plan includes campaigns, flows, transactional email and MCP/API/CLI access with unlimited contacts; paid plans increase sending capacity and team limits.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Digital marketers interested in an email marketing, marketing automation, and transactional email service

Audience

Agencies managing client email, SaaS and ecommerce teams, content marketers, and developers building lifecycle or transactional email.

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$5 per user per month
Free Version Supported
Free Trial Supported

Pricing

$0
Free forever: $0, 8,000 emails to start then 500/month; unlimited contacts, 1 seat and 3 brands. Pro: $20/month for 20,000 emails; Ultra: $100/month for 125,000 emails. Enterprise starts at $300/month, with volume-based email limits. Prices are in USD.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 1.0 / 5
ease 3.0 / 5
features 3.0 / 5
design 4.0 / 5
support 2.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • It's not a fly by night company. The UI is clean with a short learning curve compared to most ESP. Their unique feature is multi-brand management, normally others let you manage only one brand per account.

Cons

  • The platform is really buggy, unstable and unreliable. Some features are still missing, like a/b testing, granular permissions(roles) for teammates, more languages, Tags, more direct integrations and cheaper Zapier alternatives, etc.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Useinbox
Founded: 2009
Turkey
useinbox.com

Company Information

Nitrosend Pty Ltd
Founded: 2026
Australia
nitrosend.com

Alternatives

Alternatives

SMTP.com

SMTP.com

Ziff Davis
SendGrid

SendGrid

Twilio SendGrid

Categories

Categories

Email Marketing Supported

Email Marketing Features

A/B Testing Supported
Artificial Intelligence Not Supported
Auto-Responders Supported
CAN SPAM Compliance Supported
Customer Surveys Supported
Drip Campaigns Supported
Dynamic Content Supported
Event Triggered Email Supported
Image Library Supported
Landing Pages/Web Forms Supported
Mailing List Management Supported
Mobile Optimized Emails Supported
Reporting/Analytics Supported
Subscriber Management Supported
Template Management Supported
WYSIWYG Email Editor Supported

Integrations

Amazon SES Not Supported
Attio Not Supported
Claude Code Not Supported
Claude Cowork Not Supported
Cursor Not Supported
Gmail Supported
Google Contacts Supported
Google Forms Supported
Google Sheets Supported
KonnectzIT Supported
Mailgun Not Supported
Model Context Protocol (MCP) Not Supported
MyBasicCRM Supported
Postmark Not Supported
Rambox Supported
Resend Not Supported
SendGrid Not Supported
Slack Supported
Typeform Supported
Visual Studio Code Not Supported

Integrations

Amazon SES Supported
Attio Supported
Claude Code Supported
Claude Cowork Supported
Cursor Supported
Gmail Not Supported
Google Contacts Not Supported
Google Forms Not Supported
Google Sheets Not Supported
KonnectzIT Not Supported
Mailgun Supported
Model Context Protocol (MCP) Supported
MyBasicCRM Not Supported
Postmark Supported
Rambox Not Supported
Resend Supported
SendGrid Supported
Slack Not Supported
Typeform Not Supported
Visual Studio Code Supported
Claim INBOX and update features and information
Claim INBOX and update features and information
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