Outreach vs Salesloft vs Reply.io vs Apollo.io

Written head to head: Outreach vs Salesloft, with when to choose each side.

Compared on	Outreach See pricing VisitRemove	Salesloft See pricing VisitRemove	Reply.io Free trial · from $49/user/mo VisitRemove	Apollo.io Free plan · from $49/seat/mo VisitRemove
What it is	Sales engagement and AI agent platform for revenue teams, sold by quote as user seats plus AI credits	Sales engagement platform built around Cadence sequences, AI agents and forecasting, sold by quote	Multichannel sales outreach with unlimited mailboxes on volume plans and Jason, an AI SDR	Sales prospecting database with email sequences, dialer and deal tracking
Free plan	No	No	No	900 credits per seat per year (granted monthly), 2 sequences, AI Assistant limited to 5 chats, record selection limit of 25
Cheapest paid plan	Not publishedOutreach pricing	Not publishedSalesloft pricing	$49/user/mo billed annually (Email Volume)Reply.io pricing	$49/seat/mo billed annually (Basic)Apollo.io pricing
What it covers	Not stated	Not stated	1,000 active contacts a month, unlimited emails, mailboxes (fair usage policy) and warmup, 50 live data credits. Tiers up to 5,000 contacts are per user; from 10,000 contacts ($179 a month, or $159 billed yearly) the price is flat with unlimited users.	Monthly: 2,500 credits per seat per month; annual: 30,000 credits per seat per year, granted upfront.
Free trial	None stated	None stated	14-day free trial with core features, including the B2B database, multichannel sequences, API and AI features	14-day trial of Basic or Professional (trial includes 50 credits and 5 mobile credits)
Platforms	Web, API	Web	Web, Chrome extension, API	Web, API
Integrations (vendor's figure)	CRM sync plus Zoom, Microsoft Teams, Google Meet, Cisco Webex and Slack integrations	Not stated	Native HubSpot, Salesforce, Pipedrive, Copper, Zendesk Sell and Close integrations, plus Zapier, Make and 100+ integrations	Not stated
Open source	No	No	No	No
Good for	Large sales teams that want sequencing, call recording and forecasting in one platform Revenue operations teams standardizing prospecting playbooks across reps Teams that want AI agents to research accounts and draft personalized emails	Sales teams that want sequencing, calling and forecasting in one platform Managers who want AI to prioritize each rep's daily tasks Teams that already forecast with Clari	Combining email, LinkedIn and calls in one sequence Teams that want a flat price with unlimited users at 10,000+ contacts a month Handing prospecting and first replies to an AI SDR	Finding contact details for prospects at target companies Running automated email outreach sequences for a small sales team Enriching CRM records with company and contact data
Watch out for	No prices are published; every package is quoted by sales AI features draw on a pool of AI credits; extra credit packs cost more Multi-channel sequencing is not listed in the Amplify Essentials package	No published prices or plans; pricing comes from a sales conversation No free trial is described on its pages Its pages do not describe mailbox warmup or sending-account limits	Email Volume tiers up to 5,000 active contacts are billed per user LinkedIn automation ($69 a month per account) and calls ($29 a month) cost extra on Email Volume Unlimited mailboxes are subject to a fair usage policy tied to active contacts	Free plan: 900 credits per seat per year and 2 sequences Organization requires at least 3 seats and annual billing Record selection limit of 25 on Free and 1,000 on Basic
Made by	Outreach Corporation	Salesloft, Inc.	ReplyApp Inc.	Apollo.io

Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.

Every tool in cold email and sales outreach tools and AI sales and CRM tools is on their category pages, with the written head-to-heads on Compare.