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Starnus vs. Warmy

Built from each tool’s researched, reviewed record. Figures are checked against public pricing pages at research time — always confirm current pricing with the vendor before buying.

The short version

Warmy starts at $42 per seat, versus Starnus at $50.

Full comparison

Starnusfrom $50 EUR per month (Pro)
Warmyfrom $42 per month
Audyense Score44AS*Low32AS*Low
PositioningAI SDR platform that runs outbound prospecting, enrichment, outreach, and follow-ups on autopilot.Warmy is an AI-powered email deliverability tool designed to improve your email campaigns.
Free tierNoYes
DeploymentCloud / SaaSCloud / SaaS
Best fitStartup, SMB, Mid-marketStartup, SMB
Pricing plans
  • Pro$50
  • Pro+$125
  • Ultra$250
  • Managed Service$900
  • FreeFree
  • Basic$12
  • StarterFree
  • Professional$12
Email warm-up—YesDocumented in the sourced profile.
Deliverability insights—YesDocumented in the sourced profile.
Google Postmaster integration—YesDocumented in the sourced profile.
Email verification—YesDocumented in the sourced profile.
Spam folder avoidance—YesDocumented in the sourced profile.
Real-time deliverability metrics—YesDocumented in the sourced profile.
Lead generation—YesDocumented in the sourced profile.
Data enrichment—YesDocumented in the sourced profile.
Email outreach—YesDocumented in the sourced profile.
Email Warmer—YesDocumented in the sourced profile.
Integrations verified—3+
Aggregate rating5.0 · 2 reviews— · No reviews yet
Integrations
SmartleadUnipileHubSpotPerplexity
MakeLinkedInAPI
Security & compliance——
Pros
  • Fast automated ICP and prospect-list generation
  • Combines email and LinkedIn outreach in one flow
  • Cheaper than enterprise AI-SDR alternatives
  • Documented capability: Email warm up
  • Documented capability: Deliverability insights
  • Profile names a concrete ICP: Warmy is recommended for businesses, marketers, and entrepreneurs who want to boost their email deliverability and get higher open and click rates usi
  • Public profile names Make, LinkedIn, API as connected workflow surfaces
Cons
  • No independent review-platform rating found to verify real-world satisfaction
  • Credit-based limits on leads/messages per tier
  • Some pricing or higher-tier terms are not publicly itemized
  • Fit is strongest for the stated Startups, SMBs audience rather than every team
  • Named integrations should be validated against the team's exact plan and workflow
  • Reported outcomes and vendor claims should be validated with the buyer's own data
Visit Starnus ↗Visit Warmy ↗

Editorial read of this comparison

The table summarizes structured facts; this section explains what the differences mean for a real buying decision.

Where each tool fits, and where it may not

Starnus

Starnus is an agentic outbound sales platform for B2B teams that want to move from ICP definition to lead discovery, enrichment, personalized outreach, and reply tracking inside one workflow. It positions itself as an AI employee for outbound sales, with the goal of reducing the manual work involved in running lean GTM motions.

A particularly good fit for: Solo founders and small B2B teams doing outbound without a dedicated SDR

May be a poor fit if: Enterprises needing established vendor track record and reviews

Warmy

Warmy is an AI-powered email deliverability tool designed to improve your email campaigns. It fits in the email marketing and outreach category. The tool helps your emails avoid spam folders and reach the primary inbox, boosting open and click rates by up to 2.3x and 3x, respectively. Over 650,000 domains have improved deliverability using Warmy’s smart automation. It shines in cold email outreach, email warm-up, and deliverability monitoring. You can see real results fast, with setup taking about 25 seconds and meaningful impact in days. This makes it ideal for marketers, sales teams, and businesses that rely on high email engagement. Warmy integrates smoothly with major email providers and Google Postmaster tools. It fits into your GTM stack by enhancing email channel performance and reputation. However, it’s not meant as a full CRM or data enrichment platform—it focuses solely on improving email delivery and engagement.

A particularly good fit for: recommended for businesses, marketers, and entrepreneurs who want to boost their email deliverability and get higher open and click rates using AI-driven automa Startups, SMBs teams with a defined revenue workflow email warmer

May be a poor fit if: Teams looking for a single-purpose tool outside its documented go-to-market focus Teams that need unlimited usage without plan or credit limits

Pricing and plan structure

Starnus: Published starting price $50 EUR per month (Pro)

  • Pro$50 EUR/month
  • Pro+$125 EUR/month
  • Ultra$250 EUR/month
  • Managed Service$900 EUR/month starting

Warmy: Published starting price $42 per month

  • FreeFree
  • Basic$12 per month
  • StarterFree
  • Professional$12 per month

Capabilities worth validating

  • Starnus: the record has no feature-level evidence yet; verify the workflow directly. Integrations include Smartlead, Unipile, HubSpot, Perplexity.
  • Warmy: Email warm-up, Deliverability insights, Google Postmaster integration, Email verification, Spam folder avoidance Integrations include Make, LinkedIn, API.

Questions to answer before switching

  • Does Starnus's selected plan include the features and limits we need?
  • Does Warmy's selected plan include the features and limits we need?
  • Does the exact integration path for Smartlead, Unipile, HubSpot support the sync direction, permissions, and volume we need?
  • Is a hosted-only deployment acceptable for the team and customers who will use this system?

How to evaluate this shortlist

A useful comparison turns the differences between Sales & CRM tools into a concrete test. Use these steps to avoid choosing from a feature table or the lowest headline price alone.

  1. Start with a representative Sales & CRM workflow, not a feature checklist. Define who will use it, what data goes in, and what outcome the team needs.
  2. Test the complete path through Smartlead, Unipile, HubSpot: permissions, sync direction, failure handling, and volume limits often matter more than the integration name.
  3. Compare the cost of the real scenario, including users, usage, storage, support, and contract requirements. The entry price alone does not measure adoption cost.
  4. Before switching, list the evidence gaps, request a demo of the critical workflow, and confirm security, data residency, export, and support with each vendor.

Some signals in these records are still incomplete. Treat that as a prompt to validate the workflow directly, not as a claim that a feature does not exist.

Research basis

Last checked: 2026-08-25. Pricing, integrations, feature support, and review signals can change, so treat this as a research snapshot and verify the final decision with the vendor.

Sources consulted: Starnus product site, Product Hunt, Starnus; Warmy product site, ColdIQ profile, Vendor website