Free / Open-sourceAI-assisted email and SMS marketing that turns audiences into customers
Free / Open-sourceAI-assisted email and SMS marketing that turns audiences into customers
Mailgo records 2,001 monthly visits with -59.7% month-over-month growth and Freemium pricing. Mailvio records 1,076 monthly visits with — growth and Paid (subscription by contact tier) pricing.

Deliverability-first email marketing with an AI writer and expert guidance
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | mailgo.ai | paykstrt.com |
| Pricing Model | Freemium | Paid (subscription by contact tier) |
| Monthly Visits | 2K (2,001) | 1.08K (1,076) |
| MoM Traffic Delta | -2.97K (-59.7%) | +1.08K (—) |
| Primary Market & Share | 🇺🇸 United States (100%) | 🌐 Global (—) |
| Direct Visits / mo | 785 | 366 |
| User Rating | 4 | 3.9 |
| Supported Platforms | Website | Website |
AI cold email platform with lead discovery and built-in deliverability
Build sender reputation automatically so new mailboxes can start high-volume cold emailing in about 48 hours instead of weeks of manual warming.
An AI agent scans for prospects matching your ideal customer profile and returns contact details and targeting insights for your campaigns.
Validate addresses before sending to cut bounce rates, and let Email Guess predict work emails from domain and name patterns when data is incomplete.
Generate unique messages in your chosen tone and language, with multiple variants created automatically so emails avoid spam-trigger patterns.

Deliverability-first email marketing with an AI writer and expert guidance
An AI writing agent trained on a large body of promotional email that drafts messages in your brand voice while avoiding common spam triggers.
Automated IP, domain and account warmup using proprietary algorithms designed to build sender reputation and reach the inbox.
Structured multi-wave sends combined with recency, frequency and monetary segmentation tools to protect list health and lift engagement.
Real-time email cleaning and subscriber churn prevention that remove invalid addresses, spam traps and risky contacts before they damage reputation.
Free / Open-sourceAI-assisted email and SMS marketing that turns audiences into customers
Free / Open-sourceAI-assisted email and SMS marketing that turns audiences into customers

Free / Open-sourceThe AI-powered B2C CRM for email, SMS, and personalized marketing at scale
Free / Open-sourceThe AI-powered B2C CRM for email, SMS, and personalized marketing at scale
Free / Open-sourceAll-in-one customer platform for email, SMS, CRM, and automation
Free / Open-sourceAll-in-one customer platform for email, SMS, CRM, and automation

Free / Open-sourceAI-assisted newsletter editor for email, pages and forms
Free / Open-sourceAI-assisted newsletter editor for email, pages and forms

Sales engagement platform with AI agents for lead finding, outreach and deliverability

Free / Open-sourceAI-native cold email platform for scaling outbound without limits
Free / Open-sourceAI-native cold email platform for scaling outbound without limits

Free / Open-sourceEmail marketing with AI send-time optimization to lift opens
Free / Open-sourceEmail marketing with AI send-time optimization to lift opens

AI sales platform for unlimited B2B leads and outreach
AI sales platform for unlimited B2B leads and outreach

Free / Open-sourceAutonomous marketing automation powered by AI agents
Free / Open-sourceAutonomous marketing automation powered by AI agents

Free / Open-sourceReal-time email verification and email finding that never stores your data
Free / Open-sourceReal-time email verification and email finding that never stores your data
AI sales engagement and cold email outreach on autopilot

Free / Open-sourceFree email spam checker and deliverability test with AI insights
Free / Open-sourceFree email spam checker and deliverability test with AI insights