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Cust vs. SDRx

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

SDRx starts at $40 per seat, versus Cust at $500.

Full comparison

Custfrom $500 per month
SDRxfrom $40 per month
Audyense Score31AS*Low50AS*Low
PositioningCust is an AI-powered customer success platform designed to help teams keep and grow their customer base.AI SDR for account-based outreach, research, and follow-up.
Free tierYesNo
DeploymentCloud / SaaSCloud / SaaS
Best fitSMB, Mid-market, EnterpriseStartup, SMB, Mid-market
Pricing plans
  • Free$4
  • BasicCustom pricing
  • GrowthCustom pricing
  • Business$150
    —
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.—
AI-built ICP lists from a large prospecting database—Yes
LinkedIn outreach automation—Yes
Autonomous end-to-end outbound execution—Yes
Hyper-personalized 1:1 email generation using CRM/LinkedIn data—Yes
Adaptive multi-step follow-up sequencing—Yes
Automated account and competitor research—Yes
Email deliverability management (warmup, DMARC/DKIM, inbox rotation)—Yes
Integrations verified2+—
Aggregate rating— · No reviews yet5.0 · 6 reviews
Integrations
LinkedInAPI
CRM syncEmailLinkedIn
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
  • Deep account research focus.
  • Personalized outreach over multiple channels.
  • Transparent product positioning around AI SDR workflows.
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
  • Review volume is still early.
  • Not positioned as a broad GTM platform.
Visit Cust ↗Visit SDRx ↗

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

SDRx

SDRx is an AI SDR built for B2B sales teams that need deep account research and personalized multi-channel outreach at scale. It focuses on target lists, message personalization, and iterative follow-up over weeks rather than one-shot blasts.

A particularly good fit for: Sales teams running account-based outbound. Founders and growth teams that need research-heavy prospecting.

May be a poor fit if: Teams looking for a generic CRM. Very small teams that only need a simple send engine.

Pricing and plan structure

Cust: Published starting price $500 per month

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

SDRx: Published starting price $40 per month

Audyense does not have a verified public tier breakdown for this record. Confirm the current quote, seat model, usage limits, and contract terms with the vendor.

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.
  • SDRx: AI-built ICP lists from a large prospecting database, LinkedIn outreach automation, Autonomous end-to-end outbound execution, Hyper-personalized 1:1 email generation using CRM/LinkedIn data, Adaptive multi-step follow-up sequencing Integrations include CRM sync, Email, LinkedIn.

Questions to answer before switching

  • Does Cust's selected plan include the features and limits we need?
  • Does SDRx's selected plan include the features and limits we need?
  • Does the exact integration path for LinkedIn, API, CRM sync 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, CRM sync: 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.

Structured signals help narrow the shortlist, but a trial with a real workflow is still the best way to validate the decision.

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; SDRx product site, Product Hunt, SDRx