10 Best Sales Engagement Platforms of 2026

Apollo.io wins this list because it removes the separate data subscription most outbound teams pay for. A Basic seat costs $49 per month billed annually and includes contact and account data, unlimited sequences, Gmail and Salesforce extensions, a deliverability suite with email warmup, CRM integrations, 5 automated workflows and a US dialer where credits apply. Professional at $79 adds A/Z testing, AI lead scoring and 4,000 minutes of call recording with AI insights. The free plan is a real starting point with 900 credits per seat per year. The catch is the credit model: every contact you reveal or enrich draws on an annual pool, 30,000 credits on Basic and 48,000 on Professional, so heavy prospecting teams should model usage before they buy. International calling sits in an Advanced Dialer add-on at $119 per team per month. For a small to midsize SDR team, it is the most complete package per dollar we compared.

HubSpot Sales Hub is the right engagement tool for teams whose records already live in HubSpot. Sequences send timed, personalized emails and tasks, adapt to prospect engagement and can be A/B tested, while workflows enroll prospects from intent signals, rotate leads and create follow-up tasks. Calling includes a power dialer, voicemail drops and automatic CRM logging. Reps can enroll contacts straight from Gmail or Outlook. Because everything writes to the HubSpot CRM, there is no sync to configure and no second contact database to clean. Starter lists at $20 per seat per month, with a limited-time $10 offer for new customers, and the free plan covers deal tracking, an AI assistant and meeting scheduling. The cost problem is Professional, which starts at $100 per seat and is where playbooks, AI forecasting and custom objects appear. Teams running Salesforce get far less from HubSpot than from a standalone sequencer like Apollo.io or Outreach.

Reply.io is the strongest mid-priced multichannel option. The Email Volume plan starts at $49 per user per month billed annually with unlimited mailboxes and emails, email warmup, 50 live data credits a month and a deliverability suite, though it caps you at 1,000 active contacts per month. LinkedIn automation ($69 per account) and calls and SMS ($29 per account) are add-ons on that plan. The Multichannel plan at $89 per user folds email, LinkedIn, SMS, phone and semi-automated WhatsApp into one price, removes the contact cap and adds onboarding with a customer success manager plus team and channel reports. For companies that want to hand prospecting to software, Jason AI SDR starts at $500 per month. The trade-off against Apollo.io is data: Reply's live data credits are small, so most teams will still source contacts elsewhere. Against Outreach and Salesloft, Reply wins on transparent pricing and setup speed.

lemlist has grown from a personalized cold email tool into a full outreach suite. The Email plan costs $55 per month billed yearly or $69 monthly, and it includes unlimited users and email senders, an email and phone finder over a 650M+ lead database, lemAgent AI agents, email warm-up, a deliverability hub and CRM integrations with an API. The ceiling is 50,000 emails a month. Multichannel at $87 a month billed yearly adds LinkedIn automation, SMS, a built-in dialer with VoIP and use from Gmail and LinkedIn, with 5 senders per user. Enterprise adds use from your CRM, SSO and custom roles. Lead enrichment and buying intent signals are separate add-ons. Compared with Reply.io, lemlist is simpler to start and its database is larger out of the box. Compared with Outreach, it lacks forecasting and deal management, so it fits teams that care about pipeline creation more than pipeline inspection.

Instantly is a cold email engine rather than a full sales engagement suite, and it is very good at that one job. Every plan includes unlimited email accounts and unlimited warmup, which matters to teams that spread volume over many domains to protect deliverability. Growth costs $47 a month and covers 1,000 uploaded contacts and 5,000 emails, enough to test a motion but not to run one. Hypergrowth at $107 raises that to 25,000 contacts and 125,000 emails and adds the built-in CRM with the Unibox reply inbox. Light Speed at $358 handles 500,000 emails a month. Sequences, advanced scheduling, A/Z testing, bounce detection, an API and webhooks are included. What you do not get is calling or LinkedIn steps, so teams that phone prospects need a second tool. For pure email outbound, it is the easiest product on this list to set up.

Klenty is built for SDR teams that split their day between email and phone. Starter costs $50 per month billed annually and includes unlimited users and mailboxes, 15,000 contacts and 75,000 emails a month, custom tracking domains, A/B testing, merge fields, Liquid templates and an approve-before-sending step. The plan most outbound teams need is Growth at $70 per user per month, which adds a 1-click dialer with 200 minutes, number auto-rotation, AI voicemail and IVR detection, SMS automation, social selling and the CRM integrations: a CRM plugin, auto import and export, bidirectional field mapping and sales stage automation. Plus at $99 per user adds account-based selling, AI account prioritization and call coaching with 1,000 minutes. Klenty publishes every price, which Outreach and Salesloft do not, but Growth and Plus require a demo call, so it is less self-serve than lemlist or Instantly.

Mixmax suits reps who live in Gmail and want sequences without a separate app. Pricing follows outreach volume: free for 50 recipients a month with limited features, $29 per user per month billed yearly for 100 recipients, $89 for 1,500 and $129 for 3,000, and every paid plan includes all features. Those features cover sequences that combine emails, calls, tasks and LinkedIn steps until someone replies, open and click tracking, follow-up reminders, booking pages, AI meeting notes, templates and CRM sync that logs every send and reply to Salesforce or HubSpot. You can also drive outreach from Claude or ChatGPT. The dialer, custom branding, workspace rules and a Salesforce insights package are $9 add-ons per member a month. Mixmax is lighter than Outreach on management reporting and has no prospect database like Apollo.io, but for an AE who wants tracking, scheduling and follow-ups inside the inbox it is easy to adopt.

Mailshake is the cheapest way into sequenced outreach on this list. Starter costs $25 a month billed yearly or $29 monthly, with one email address, 1,500 sends a month, unlimited uploaded contacts, unlimited warmup and verification, automated sequences, A/B testing and AI writing through SHAKEspeare. Email Outreach at $45 yearly removes the send limit and adds email rotation, a unified inbox, Salesforce, Pipedrive and HubSpot integrations and 1,000+ more through Zapier. Sales Engagement at $85 yearly adds 5 phone numbers, a power dialer with unlimited free minutes to North American numbers, phone scripts and lead temperature. There is no free trial, so you pay before you test, which is a real drawback next to Apollo.io's free plan or Reply.io's 14-day trial. The tool is simple to learn, but it has no prospect database beyond 50 data finder credits and no forecasting.

Outreach has the broadest feature set here, and the price and effort that come with it. Its sequences manage multiple stakeholders in one sequence, consolidate replies into a single thread, pause automatically on out-of-office replies and resume when the prospect returns. Engagement data from email, LinkedIn, SMS and calls syncs to CRM contacts and opportunities, and machine-learning A/B testing, sentiment analysis and a sales execution report show which plays work. Packages run from Amplify Essentials, centered on conversation intelligence, to Amplify Core with sequencing, Plus with deal and pipeline management, and Pro with forecasting and managed services. Pricing combines per-seat access with consumption-based AI credits, from 10,000 credits on Essentials to 100,000 on Pro, and every quote goes through sales. That makes the total hard to compare with the published prices above, which is why Outreach scores low on value despite the top features score.

Salesloft is the closest rival to Outreach and the choice for teams that want engagement and forecasting on one data set. Cadence, its engagement product, runs repeatable multi-step frameworks, tracks every interaction and adds automation rules, personalization and a mobile app. The Buyer Identification Agent finds leads and AI account agents research accounts, identify buyers and draft personalized emails. Around Cadence sit Conversation Intelligence, Deals, Rhythm for prioritizing seller work, and Clari Forecast, Inspect and Analytics for revenue leaders, all described as running on the same data and signals. Salesloft publishes no prices, and its pricing page now routes to a sales booking form, so total cost depends on negotiation. For a team under about 20 reps, the published plans from Apollo.io, Reply.io or Klenty cover the core cadence work for far less effort. Pick Salesloft when forecasting and coaching need to sit on top of engagement data.