How we make this list: we compare pricing pages, product documentation and public user reviews. Rankite is independent; if a vendor ever pays for a featured spot, that listing is clearly labeled Partner.
Key takeaways
- Enterprise teams choosing between the two giants: Outreach has the deepest sequencing engine, Salesloft (now part of Clari) is faster to learn and pairs cadences with forecasting.
- Budget-conscious SMB teams should start with Apollo ($49/user/month) or Instantly ($47/month flat): both bundle data and sending without a sales call.
- Already on HubSpot CRM? HubSpot Sales Hub sequences live inside the CRM, but the real sales tiers start at $100/seat/month plus a $1,500 onboarding fee.
- Multichannel outbound (email plus LinkedIn plus calls) is Reply.io and Klenty territory; email-only volume senders get better economics from Instantly.
Quick comparison
| Tool | Best for | Starting price | Free plan |
|---|
 Outreach | Enterprise SDR orgs with 50+ reps | See website (quote-based) | No |
 Salesloft | Mid-market to enterprise revenue teams (10-200 reps) | See website (quote-based) | No |
 Apollo.io | Startups and SMB sales teams | $49/user/month (Basic, billed annually) | Yes (limited credits, 2 active sequences) |
 HubSpot Sales Hub | Teams already standardized on HubSpot CRM | Free; Starter $20/seat/month | Yes (free CRM with basic sales tools, up to 2 users) |
 Reply.io | SMB to mid-market teams running multichannel outbound | $49/user/month (Email Volume, billed annually) | Free trial (14 days, all plans) |
 Lemlist | SMB teams that win on personalization | See website | Free trial (14 days on Multichannel) |
 Klenty | Mid-market outbound teams with heavy calling | $50/user/month (Startup, billed annually) | Free trial (14 days) |
 Instantly.ai | High-volume cold email teams and agencies | $47/month (Growth, flat pricing) | No |
 Mixmax | SMB sales teams and AEs who live in Gmail | Free; SMB $29/user/month | Yes (email tracking, scheduling, templates) |
 Amplemarket | Mid-market teams consolidating data, sequencing and deliverability | $600/month (Startup, annual term, 2 users included) | Free trial (available on plans) |
Is your product missing or out of date?
We review this list regularly. Vendors can request a listing, send updated pricing or ask about featured placement.
Your reps are toggling between the CRM, the sequencer, the data vendor, the dialer and LinkedIn, and half their day disappears into the gaps. A sales engagement platform is supposed to close those gaps: sequences, calls, emails, tasks and analytics in one workflow. The ten below cover the real market, from enterprise cadence engines to flat-priced cold email infrastructure.
Starting priceSee website (quote-based)
Free planNo
Outreach remains the benchmark for enterprise sales engagement. Its concrete strength is sequence control: branching logic, A/B testing and AI-driven next steps that mid-market tools cannot match. Kaia, its conversational AI, adds call-level coaching and deal insights on top of the cadence engine. CRM integration runs deep, including custom objects in Salesforce, and governance features suit large, regulated orgs.
The honest catch is total cost and overhead. Pricing is quote-only and lands in the mid five figures annually for real teams, and you will likely need RevOps time to run it well. Implementation is a multi-week project on annual negotiated contracts, priced per seat with add-ons for conversation intelligence. Small teams will find it overkill. Lower tiers lack some AI features, so confirm exactly what is in your quote before signing.
What we like- Deepest sequencing engine with branching, A/B testing and ML-guided steps
- Strongest CRM integration depth including Salesforce custom objects
- Kaia conversational AI for call coaching and deal insights
Watch out for- Quote-only pricing favors large teams and slows budgeting
- Dense interface with a real learning curve, usually needs a sales-ops owner
Starting priceSee website (quote-based)
Free planNo
Salesloft is Outreach's perennial rival, and the honest difference is time-to-value. Teams get running faster than on heavier platforms, and the coaching layer is genuinely built in rather than bolted on. Rhythm workflows tie cadences to coaching and conversation intelligence, and the Clari merger means forecasting can now come from the same vendor.
The catch is that the merger is still settling, so roadmap and packaging can shift; confirm your contract terms. Setup takes weeks with RevOps support, deals are annual and per seat, and the deepest analytics sit on higher tiers. If your sequences need very complex branching logic, Outreach still wins. If you only need email sequencing, Salesloft is more platform than you need.
What we like- Cleaner, faster-to-learn interface than most enterprise rivals
- Built-in coaching and conversation intelligence through Rhythm workflows
- Cadence plus forecasting from one vendor after the Clari merger
Watch out for- No public pricing, so evaluation runs through sales
- Sequence engine is less deep than Outreach for very complex branching
Starting price$49/user/month (Basic, billed annually)
Free planYes (limited credits, 2 active sequences)
Apollo is the default answer for teams that need data and outreach in one cheap tool. Its concrete strength is consolidation: database, enrichment, sequences, dialer and basic intent in one subscription from $49 per seat. Setup is self-serve and takes hours, and the free plan lets you test data quality and basic outreach before paying.
The honest catch is the credit meter. Phone reveals and enrichment burn credits fast, overage credits cost extra, and credits expire without rolling over. Monthly billing costs roughly 20 percent more than annual. Validate a regional sample before committing if you prospect outside North America, where accuracy is weaker. The free plan caps sequences at two and connects Gmail only.
What we like- Bundles a large B2B contact database with sequencing, so no separate data vendor is needed
- Published per-seat pricing makes budgeting simple
- Free plan is genuinely usable for testing data quality
Watch out for- Everything runs on credits that expire and do not roll over
- Data accuracy is weaker outside North America
#4
HubSpot Sales Hub
Best for: Teams already standardized on HubSpot CRM
Visit hubspot.com
Starting priceFree; Starter $20/seat/month
Free planYes (free CRM with basic sales tools, up to 2 users)
If your company already runs on HubSpot, Sales Hub is the path of least resistance. Sequences, deals, marketing and service share one object model, so handoffs need no integration. The free tier covers basic sales tools for up to 2 users, and Starter at $20 per seat is cheap for what it includes.
The honest catch is stacking. Marketing Hub bills on a separate contact axis, so the total invoice can surprise. The tiers most sales teams actually need start at Professional: $100 per seat per month plus the $1,500 onboarding fee, with a practical 5-seat minimum. Starter lacks sequences and forecasting entirely. Contracts are annual, and seats cannot mix tiers within one hub.
What we like- Sequences and automation live natively inside the CRM, so there is no sync to maintain
- Published pricing with a real free tier
- Breeze AI agents add prospecting and forecasting help on higher tiers
Watch out for- Mandatory onboarding fees at Professional ($1,500) and Enterprise ($3,500)
- Professional has a 5-seat minimum in practice, so the floor is about $500/month
#5
Reply.io
Best for: SMB to mid-market teams running multichannel outbound
Visit reply.io
Starting price$49/user/month (Email Volume, billed annually)
Free planFree trial (14 days, all plans)
Reply.io fits teams running genuine multichannel outbound rather than email-only. Its concrete strength is channel coverage: one subscription replaces separate tools for email, LinkedIn automation and calling. Multichannel runs $89 per user per month, and the Jason AI SDR add-on (from $500 per month) can run LinkedIn prospecting semi-autonomously.
The honest catch is add-on math. Model the invoice with the LinkedIn and voice add-ons before comparing sticker prices; the real per-seat cost lands well above $49. Setup is self-serve over a few days with annual discounts. Email-only teams will overpay versus cheaper pure-email tools, and the agency plan is a separate tier.
What we like- True multichannel sequences across email, LinkedIn, SMS, WhatsApp and calls
- Built-in B2B contact database and deliverability suite with unlimited warmup
- Jason AI SDR can run LinkedIn prospecting semi-autonomously
Watch out for- LinkedIn automation and calling can be add-ons, pushing the real per-seat cost well above the headline
- New users report a steep learning curve from the feature density
Starting priceSee website
Free planFree trial (14 days on Multichannel)
Lemlist built its name on outreach that does not look automated. Dynamic images, video thumbnails and AI icebreakers let small teams run creative campaigns at scale, and Lemwarm keeps deliverability healthy. The Email plan has historically been priced for unlimited users by send volume, which suits teams with many light senders.
The catch is that headline prices capture only part of the stack. Lead-finder credits, extra mailboxes and add-ons can add 30 to 50 percent, and there is no unlimited-mailbox option, so high-volume senders pay more than on volume-based rivals. The Email plan excludes LinkedIn steps and calls entirely. Confirm the current pricing model directly before budgeting, since it has changed.
What we like- Best-in-class personalization with dynamic images, video thumbnails and AI icebreakers
- Lemwarm warmup and deliverability hub included
- Multichannel steps without stitching tools together
Watch out for- Pricing has shifted between volume-based and per-seat models, so confirm the current structure with the vendor
- Add-ons (WhatsApp, extra mailboxes) stack up fast
#7
Klenty
Best for: Mid-market outbound teams with heavy calling
Visit klenty.com
Starting price$50/user/month (Startup, billed annually)
Free planFree trial (14 days)
Klenty is the call-first sales engagement platform. Parallel dialing with AI scorecards is unusual at $50 to $99 per seat, and behavior-triggered playbooks switch channels automatically based on prospect engagement. CRM integrations run deep, and ProspectIQ adds a 440M-plus contact database.
The honest catch is seat math. At 25 reps the Plus tier ($99 per seat) alone is a serious line item, so compare against volume-priced alternatives before committing. Setup is self-serve with onboarding help on annual contracts. Lower tiers lack the advanced AI coaching and some deliverability tooling, so price the tier you will actually use.
What we like- Built-in calling with power and parallel dialers plus AI call coaching
- Behavior-triggered playbooks switch channels automatically
- Deep native CRM integrations (Salesforce, HubSpot, Pipedrive, Zoho)
Watch out for- Per-user pricing scales linearly with headcount, penalizing large SDR teams
- AI coaching features are add-ons on some tiers
Starting price$47/month (Growth, flat pricing)
Free planNo
Instantly wins on infrastructure economics. Unlimited inboxes and warmup mean scaling is about adding domains, not seats, and flat pricing makes a 10-person team cheaper than on per-seat rivals. Setup is self-serve in under a day with about 20 percent savings on annual billing.
The honest catch is two-track pricing. Outreach plans cover sending while lead database credits are sold separately, so budget both. Most serious teams outgrow the Growth plan's contact and email caps and need Hypergrowth at $97 per month. Email-only natively; LinkedIn and calling are not core channels. If your motion is cold email at scale, the math is hard to beat.
What we like- Unlimited email accounts and unlimited warmup on every plan
- Flat pricing rewards larger teams (a 10-person team can cost less than per-seat rivals)
- Built-in lead database and AI reply handling
Watch out for- Lead data credits are a separate track, so the real setup often costs double the headline
- The Growth plan caps contacts and emails tightly
Starting priceFree; SMB $29/user/month
Free planYes (email tracking, scheduling, templates)
Mixmax is the lightest-weight option here, and that is the point. Reps get tracking, templates, sequences and calendar links without leaving the inbox, installed via a Chrome extension in minutes. The free plan covers basic tracking, and sequences start at $29 per seat.
The ceiling is real. Daily Gmail send limits and the 2,000-recipient sequence cap rule out serious outbound volume, and real CRM automation needs the higher tiers (Growth at $49, Growth plus CRM at $69). This is a tool for AEs and small teams doing warm, relationship-led outreach, not a cold email engine. Advanced rules, dialer and admin controls are Enterprise-only.
What we like- Lives inside Gmail and Outlook, so reps work from the inbox
- Low entry price with sequences starting on the SMB tier
- Strong meeting scheduling, templates and engagement tracking
Watch out for- Gmail sending limits cap scale
- Sequences cap at 2,000 recipients
#10
Amplemarket
Best for: Mid-market teams consolidating data, sequencing and deliverability
Visit amplemarket.com
Starting price$600/month (Startup, annual term, 2 users included)
Free planFree trial (available on plans)
Amplemarket sells consolidation: instead of a data vendor plus a sequencer plus a deliverability tool, one contract covers all three. Duo Copilot turns account signals into proposed outreach, cutting research time, and annual credit pools include buying signals, job changes and intent data.
The honest catch is commitment. The floor is $7,200 per year on annual-only terms, and extra seats reportedly run a few hundred dollars per month each. Setup is a guided onboarding. Growth adds Duo Voice and a dedicated CSM; Elite adds Duo Inbox. If you want to test month to month, start elsewhere.
What we like- All-in-one with B2B data, multichannel sequences, deliverability and AI agents in one contract
- Duo AI drafts and personalizes outreach from account signals
- Annual credit pools with buying signals and intent data
Watch out for- Annual-only contracts with no monthly option
- Phone credit allowances are tight and overage pricing is not published
Ignore the feature checklists; they all claim the same boxes. The real differences are four. First, data: Apollo, Amplemarket and Reply.io bundle prospecting data, while Outreach and Salesloft assume you bring your own. Second, channels: Reply.io and Klenty are genuinely multichannel, Instantly and Mixmax are email-centric. Third, pricing model: per-seat (most), flat (Instantly), or credit-metered (Apollo). Fourth, CRM posture: HubSpot and Conga-style native tools live inside your CRM, while the rest sync to it. Match the platform to your motion, not to the demo.
The credit problem nobody puts on the pricing page
Credits are the hidden currency of this category. Apollo rations enrichment and phone reveals on monthly credits that expire. Amplemarket pools credits annually. Lead databases on Instantly and Reply.io sell data credits separately from sending plans. Before you sign, ask three questions: which actions burn credits, what happens to unused credits, and what overages cost. A $49-per-seat tool can easily become a $120-per-seat tool once the credit meter runs. The vendors with the simplest pricing (Instantly flat, Mixmax per-seat) are also the ones with the fewest credit surprises.
Frequently asked questions
Do I need a separate data vendor with a sales engagement platform?
It depends on the platform. Apollo, Amplemarket and Reply.io bundle B2B contact data, so many teams skip a separate vendor. Outreach, Salesloft and Klenty assume you bring your own data (or buy their data add-ons). If data quality is your bottleneck, start with the platform whose database you can test first.
What is the difference between Outreach and Salesloft?
Both are enterprise cadence platforms with quote-only pricing. Outreach has the deeper sequencing engine (branching, ML-guided steps) and the strongest Salesforce depth. Salesloft is faster to learn, has coaching built in, and now pairs cadences with forecasting through the Clari merger. Large, complex SDR orgs tend toward Outreach; teams that value speed and coaching lean Salesloft.
How much should a small team budget for sales engagement?
A 5-person team can run Apollo Basic at about $245 per month or Instantly Hypergrowth at $97 per month flat. Mixmax costs $145 per month for 5 seats with light sequencing. The enterprise platforms start in the five figures annually and need RevOps support. Budget the data credits and add-ons too, not just the seat price.
Can these tools replace my CRM?
No. Sales engagement platforms orchestrate outreach; the CRM remains the system of record for pipeline. HubSpot Sales Hub is the exception that blurs the line, since sequences live inside the CRM itself. Even then, most teams keep the CRM as the source of truth and let the engagement platform handle the activity layer.
What about deliverability? Will my emails land in spam?
Every platform here offers warmup, SPF/DKIM setup and deliverability tooling, but none can guarantee inbox placement. What matters more is your sending infrastructure: separate domains for outbound, gradual volume ramp, list quality and low bounce rates. Instantly and Reply.io include unlimited warmup, which helps, but a burned domain is a burned domain regardless of the tool.
How we chose
We started with the categories buyers search: sales engagement platforms, sales engagement software and sales cadence tools. For each candidate we opened the vendor's own pricing page, checked plan names and prices against public reviews on G2 and Capterra and practitioner discussion on Reddit, and compared feature lists, channel coverage, data bundling and company-size fit. Where a price could not be verified on the vendor's page we wrote "See website" rather than guessing.
Sources we checked (12)
- https://www.outreach.io
- https://www.salesloft.com
- https://www.apollo.io/pricing
- https://www.hubspot.com/pricing/sales
- https://www.reply.io/pricing
- https://www.lemlist.com/pricing
- https://www.klenty.com/pricing
- https://www.instantly.ai/pricing
- https://www.mixmax.com/pricing
- https://www.amplemarket.com/pricing
- https://www.g2.com/categories/sales-engagement
- https://www.capterra.com/sales-engagement-software/
Is your product missing or out of date?
We review this list regularly. Vendors can request a listing, send updated pricing or ask about featured placement.
Shihab Mia · Founder, Rankite
Shihab has spent more than a decade helping SaaS and e-commerce brands grow through search. He writes Rankite's software buying guides from pricing pages, documentation and public user reviews. More about Shihab.