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Cust vs. Starnus

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

Starnus starts at $50 per seat, versus Cust at $500.

Full comparison

Custfrom $500 per month
Starnusfrom $50 EUR per month (Pro)
Audyense Score31AS*Low44AS*Low
PositioningCust is an AI-powered customer success platform designed to help teams keep and grow their customer base.AI SDR platform that runs outbound prospecting, enrichment, outreach, and follow-ups on autopilot.
Free tierYesNo
DeploymentCloud / SaaSCloud / SaaS
Best fitSMB, Mid-market, EnterpriseStartup, SMB, Mid-market
Pricing plans
  • Free$4
  • BasicCustom pricing
  • GrowthCustom pricing
  • Business$150
  • Pro$50
  • Pro+$125
  • Ultra$250
  • Managed Service$900
Retain revenue with AI onboardingYesDocumented in the sourced profile.—
Expand revenue via upsell playbooksYesDocumented in the sourced profile.—
Recover revenue re-engaging customersYesDocumented in the sourced profile.—
Automate personalized customer conversationsYesDocumented in the sourced profile.—
Segment customers with conversational insightsYesDocumented in the sourced profile.—
Manage multiple accounts seamlesslyYesDocumented in the sourced profile.—
Workflow automationYesDocumented in the sourced profile.—
Conversation intelligenceYesDocumented in the sourced profile.—
Customer Support BotsYesDocumented in the sourced profile.—
AI automationYesDocumented in the sourced profile.—
Integrations verified2+—
Aggregate rating— · No reviews yet5.0 · 2 reviews
Integrations
LinkedInAPI
SmartleadUnipileHubSpotPerplexity
Security & compliance——
Pros
  • Documented capability: Retain revenue with AI onboarding
  • Documented capability: Expand revenue via upsell playbooks
  • Profile names a concrete ICP: Cust is recommended for customer success teams who want to grow all their customers by using AI agents to get clear next steps and improve net revenue
  • Public profile names LinkedIn, API as connected workflow surfaces
  • Fast automated ICP and prospect-list generation
  • Combines email and LinkedIn outreach in one flow
  • Cheaper than enterprise AI-SDR alternatives
Cons
  • Some pricing or higher-tier terms are not publicly itemized
  • Fit is strongest for the stated SMBs, Mid-market, Enterprise audience rather than every team
  • The public profile names few integrations, so required connections need direct verification
  • Reported outcomes and vendor claims should be validated with the buyer's own data
  • No independent review-platform rating found to verify real-world satisfaction
  • Credit-based limits on leads/messages per tier
Visit Cust ↗Visit Starnus ↗

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

Cust

Cust is an AI-powered customer success platform designed to help teams keep and grow their customer base. It uses AI agents to start real conversations with customers, unlike old systems that send generic emails with low engagement. This tool boosts reply rates to 30% and delivers personalized customer care, improving revenue retention. Cust works best for managing customer onboarding, feedback, upselling, and re-engagement. You can see results quickly as AI agents automate key tasks like guiding new users and spotting sales chances. It’s suited for teams handling up to 1,000 accounts with plans scaling based on size. The tool fits smoothly with your CRM and email systems by automating customer interactions and insights. However, it’s not meant to replace full marketing or sales automation suites but focuses purely on customer success conversation and growth. Cust is ideal if you want to treat every customer with care using AI-driven, one-on-one communication. ▶ Video Review Coming Soon We're working on creating a detailed video review for Cust .

A particularly good fit for: recommended for customer success teams who want to grow all their customers by using AI agents to get clear next steps and improve net revenue retention. It hel SMBs, Mid-market, Enterprise teams with a defined revenue workflow customer support bots

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

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

Pricing and plan structure

Cust: Published starting price $500 per month

  • Free$4 per month
  • BasicCustom pricing
  • GrowthCustom pricing
  • Business$150 per month

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

Capabilities worth validating

  • Cust: Retain revenue with AI onboarding, Expand revenue via upsell playbooks, Recover revenue re-engaging customers, Automate personalized customer conversations, Segment customers with conversational insights Integrations include LinkedIn, API.
  • Starnus: the record has no feature-level evidence yet; verify the workflow directly. Integrations include Smartlead, Unipile, HubSpot, Perplexity.

Questions to answer before switching

  • Does Cust's selected plan include the features and limits we need?
  • Does Starnus's selected plan include the features and limits we need?
  • Does the exact integration path for LinkedIn, API, Smartlead 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 LinkedIn, API, Smartlead: 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: Cust product site, ColdIQ profile, Vendor website; Starnus product site, Product Hunt, Starnus