Key takeaways
- Outbound starts before the CRM: leads have to arrive in it, so look at how each tool sources or imports them.
- A confidence score and a catch-all flag tell a rep which addresses need care before a send.
- Sending is its own decision: some CRMs run sequences and calls, others leave sending to the rep's mailbox.
- Pebbles Ai drafts up to seven touches into Gmail or Outlook; it has no dialler, warm-up or automated steps.
How outbound changes what a CRM must do
Outbound changes the CRM's job from recording conversations that came in to starting conversations with people who have never heard of you.
That puts weight on lead sourcing, email quality and segmentation, the areas where inbound-first CRMs are thinnest. A rep working cold accounts also needs to know, before sending, whether an address is likely to bounce.
- Lead sourcing: does the CRM find leads, or only accept imports?
- Email checks: does it show a confidence score or flag catch-all domains?
- Segments: can a rep group leads by role, company or source and work them together?
- Sending: does it run sequences or calls, or draft into the rep's own mailbox?
- Logging: do replies and meetings reach the record without manual entry?
Which CRM for cold outreach has built in prospecting
Apollo.io, Pipedrive and HubSpot name prospecting on their own sites, while the others lean on calling, sequences or forecasting. These six split into CRMs that added outbound features and an outbound platform that added CRM features.
- Close: built-in calling and SMS, a power dialler from Growth, pipelines and the AI assistant Chloe.
- HubSpot Sales Hub: sequences, calling and a prospecting agent alongside forecasting.
- Pipedrive: the LeadBooster add-on with prospecting and Campaigns, plus an AI email writer.
- Apollo.io: a sales intelligence and engagement platform with sequences, a dialler, deliverability tools and deal management with CRM sync.
- Attio: call intelligence and sequences on Pro, plus automatic enrichment.
- Salesforce Sales Cloud: an enterprise CRM with forecasting and pipeline inspection, and Agentforce for Sales as an add-on.
What SDR teams need from the CRM
SDR teams need the CRM to show which accounts each rep owns, what was sent and what happens next, so handovers to account executives stay clean.
Agree which fields an SDR must complete before a meeting is handed over, then test whether the CRM makes those fields hard to skip. A CRM that lets a booked meeting arrive without context costs the account executive more time than it saved the SDR.
Where Pebbles Ai fits an outbound motion
Pebbles Ai fits the research and writing half of outbound, with a Beta CRM where found leads land in a segment. Find fresh leads searches 1 to 10 named companies by role and location and returns 1 to 100 leads a run from Pebbles Ai's own growing B2B contact database, GDPR compliant, each with a work email where one is found, a confidence score and a catch-all flag.
Outreach templates write email and LinkedIn messages of up to seven touches, and the emails are saved as drafts in the rep's connected Gmail or Outlook mailbox. Sending a template to a CRM segment always asks for approval, and LinkedIn messages are drafted for the rep to send.
When outbound teams should pick something else
Pick something else if you need calling, automated sequences or deliverability tooling, because Pebbles Ai offers none of them. It also returns no phone numbers or intent signals.
A team that dials heavily can pair a calling CRM such as Close with a research and writing assistant. Teams on Salesforce keep it as the record, since Pebbles Ai has no native Salesforce connection.
Outbound CRMs at a glance
Each product's category, and the calling and sending features its own site names.
| Category | Calling named on its site | Sending named on its site | |
|---|---|---|---|
| Close | Sales CRM with built-in calling | Built-in calling and SMS; power dialler from Growth | See their site |
| HubSpot Sales Hub | CRM platform with sales software | Calling | Sequences |
| Pipedrive | Pipeline-focused sales CRM | See their site | Campaigns |
| Apollo.io | Sales intelligence and engagement platform | Dialler | Sequences |
| Attio | Modern data-driven CRM | Call intelligence on Pro | Sequences on Pro |
| Salesforce Sales Cloud | Enterprise CRM | See their site | See their site |
| Pebbles Ai | Go-to-market workspace with lead finding and a CRM labelled Beta | No calling or dialler | Drafts saved in Gmail or Outlook; no automated sequences |
Cells repeat what each vendor's own site said when checked; outbound features can sit on higher tiers, so confirm the plan. Pebbles Ai has no free plan; Pro and Team start with a 1-month free trial.
The products compared
Close
Sales CRM with built-in calling
A sales CRM for small teams with built-in calling, a power dialler on higher plans, SMS, pipelines and an AI sales agent named Chloe, priced per seat with a free trial.
Best for: Small inside sales teams that live on the phone and email.
Pricing model: Solo, Essentials, Growth and Scale, per seat, monthly or annual. Source: Close pricing

HubSpot Sales Hub
CRM platform with sales software
A CRM-centred sales suite with free tools, seat-based paid tiers, sequences, calling, forecasting, a prospecting agent and AI features, part of HubSpot's wider marketing and service platform.
Best for: Companies that want one mature CRM across marketing, sales and service, with the HubSpot Marketplace of apps and free tools for up to 2 users.
Pricing model: Free tools, then Starter, Professional and Enterprise priced per seat; onboarding fees on higher tiers. Source: HubSpot Sales Hub pricing
Read the comparison with HubSpot Sales Hub Visit HubSpot Sales Hub

Pipedrive
Pipeline-focused sales CRM
A sales CRM built around visual pipelines, with an AI sales assistant and email writer, automations, forecasting reports and add-ons for lead generation and campaigns.
Best for: Small companies and growing sales teams that track deals on a kanban board and want AI help and task automation without a long set-up.
Pricing model: Plans and prices are on their own pricing page. Source: Pipedrive pricing
Apollo.io
Sales intelligence and engagement platform
A go-to-market platform built around a B2B contact and company database it sizes at 240M+ contacts, with prospecting, enrichment, sequences, a dialler, meetings and deal tracking in one product, plus a free plan.
Best for: Sales teams that want a self-serve contact database and a full outbound engine (sequences, calling, deliverability tools) in one subscription, starting free.
Pricing model: Free, Basic, Professional and Custom plans; credits shared across the team and reset monthly; monthly or annual billing with an annual discount. Basic adds email sequencing, Professional adds AI features and call recording, Custom adds SSO and API. Source: Apollo.io pricing
Attio
Modern data-driven CRM
A flexible, data-model-first CRM with automatic enrichment, email and calendar sync, sequences and call intelligence on Pro, and a free tier.
Best for: Startups and scale-ups that want a customisable CRM with enrichment and a developer-friendly API.
Pricing model: Free, Plus, Pro and Enterprise, per user, with seat and workspace credits. Source: Attio pricing
Salesforce Sales Cloud
Enterprise CRM
The enterprise CRM platform for sales, with suites from small business to Max, forecasting and pipeline inspection, and Agentforce AI agents as an add-on or included at the top tier.
Best for: Organisations that need a highly customisable CRM of record with deep forecasting, admin control and an enterprise ecosystem.
Pricing model: Per user per month; Starter billed monthly or annually, higher suites billed annually. Source: Salesforce Sales Cloud pricing
Read the comparison with Salesforce Sales Cloud Visit Salesforce Sales Cloud
We make Pebbles Ai. Facts about other products come from their own public pages, checked on .
Where Pebbles Ai fits
- CapabilityProspecting & customer recordsFind fresh leads returns people at named companies with a confidence score and a catch-all flag, landing them in a Beta CRM segment.
- CapabilityOutreach contentWrite email and LinkedIn outreach of up to seven touches, choosing a personality per piece, with emails saved as drafts in the rep's mailbox.
- FoundationIntegrationsApollo.io, Outreach, Amplemarket and lemlist are in the MCP catalogue, which may change, so the assistants can work with them from chat.
Common questions
Should outbound reps send from the CRM or their own mailbox?
Either can work. Sending from the CRM centralises tracking, while drafting into the rep's own mailbox keeps each email personal and visible in their sent folder.
What does a catch-all flag on a lead mean?
It marks a domain that accepts mail for any address, so the email cannot be confirmed before sending. Treat those leads with extra care.
Does Pebbles Ai send outreach automatically?
It runs no automated sequences. Emails are saved as drafts in your mailbox; a template send to a CRM segment always asks for approval, and other sends follow your execution mode.
About this page. Written by the Pebbles Ai team for people who run sales, marketing and growth. Last updated .