Ballast Sellvance

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Ballast:

About

Ballast is a cold email platform for teams running one-to-one outbound campaigns from their own mailboxes. Users can connect Google Workspace, Gmail, Microsoft 365, or other SMTP/IMAP accounts; import leads; build multistep sequences with personalization and variants; and manage replies in a shared inbox. The platform includes mailbox warmup, sending schedules, domain checks, inbox-placement tests, bounce thresholds that can pause sending, and campaign analytics. Plans are priced by monthly email volume and include unlimited mailboxes and seats, API access, webhooks, and MCP tools. Teams can connect AI models for reply classification and drafting, configure Slack reply alerts, or automate workflows through n8n. CSV presets support lead imports from Apollo, Clay, Instantly, Smartlead, and Lemlist.
Sellvance:

About

Sellvance is a GTM experimentation platform for B2B SaaS teams still searching for product-market fit. Validate an ICP, test an offer, or check demand for a feature by talking to real prospects. Most cold email tools are built for volume. But zero replies can mean nobody wants your product, or that your emails never reached the inbox. Sellvance tells them apart. Every experiment gets a Signal Check: a delivery verdict (did the emails arrive?), an interest verdict (is the positive reply rate above your threshold?) and a harm verdict (unsubscribes). Until delivery is confirmed, Sellvance won't let you judge the reply rate. Includes a 9.5M+ company database, enrichment with AI agents, AI-written messages, in-app domains and mailboxes, deliverability monitoring, and an MCP server to run campaigns from Claude. Free Experiment Plan, no domain or mailbox needed. Paid plans from $199/month.
Ballast:

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
Sellvance:

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
Ballast:

Audience

Ballast is built for agency owners, growth teams, and bootstrapped SaaS founders who need reliable cold email infrastructure. It is designed for those who have outgrown basic tools due to high contact-storage fees and need a more predictable, usage-based scaling model.
Sellvance:

Audience

B2B SaaS companies (1–50 employees), bootstrapped or seed/Series A, still validating their ICP and first acquisition channel. Typical users: founders and early growth leads.
Ballast:

Support

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

Support

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

API

Offers API Supported
Sellvance:

API

Offers API Not Supported
Ballast:

Screenshots and Videos

Sellvance:

Screenshots and Videos

Ballast:

Pricing

$19/month
Starter is $19/month for 20,000 emails per month; Growth is $39/month for 50,000; Scale is $89/month for 150,000. Enterprise pricing is custom. Annual billing includes two months free. Plans advertise unlimited mailboxes and seats.
Free Version Not Supported
Free Trial Not Supported
Sellvance:

Pricing

$199/month
Free Version Not Supported
Free Trial Not Supported
Ballast:

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
Sellvance:

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
Ballast:

Training

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

Training

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

Company Information

Ballast
Founded: 2026
Romania
ballast.to
Sellvance:

Company Information

Sellvance
Founded: 2024
Estonia
sellvance.com
Ballast:

Alternatives

Terlido

Terlido

Doteli
Sellvance:

Alternatives

Ballast:
Sellvance:
Ballast:
Sellvance:
Ballast:
Sellvance:
Ballast:
Sellvance:
Terlido

Terlido

Doteli
Ballast:

Categories

Cold Email Supported
Email Warmup Supported
Sellvance:

Categories

Go-To-Market Supported
Sales Engagement Supported
Ballast:

Integrations

ChatGPT Supported
Claude Supported
Cursor Supported
Gemini Supported
Gmail Supported
Google Workspace Supported
Microsoft 365 Supported
Microsoft Outlook Supported
MillionVerifier Supported
Model Context Protocol (MCP) Supported
NeverBounce Supported
NoParam Supported
OpenAI Supported
Slack Supported
ZeroBounce Supported
n8n Supported
Sellvance:

Integrations

ChatGPT Not Supported
Claude Not Supported
Cursor Not Supported
Gemini Not Supported
Gmail Not Supported
Google Workspace Not Supported
Microsoft 365 Not Supported
Microsoft Outlook Not Supported
MillionVerifier Not Supported
Model Context Protocol (MCP) Not Supported
NeverBounce Not Supported
NoParam Not Supported
OpenAI Not Supported
Slack Not Supported
ZeroBounce Not Supported
n8n Not Supported
Ballast:
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Sellvance:
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