Act! vs SalesStack: CRM Platform vs Sales Engagement Platform Comparison
Compare Act! (CRM platform) and SalesStack (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare Act! (CRM platform) and SalesStack (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 4, 2026
Act! vs SalesStack: CRM Platform vs Sales Engagement Platform Comparison
Act! is a CRM platform; SalesStack is a sales engagement platform. Whether you need one, the other, or both depends on which part of the workflow you are buying for: customer relationship management and sales pipeline tracking on one side, multi-channel sales outreach and engagement tracking on the other. This guide lays out what each vendor publishes.
The Quick Answer
Act! is a CRM platform for customer relationship management and sales pipeline tracking; SalesStack is a sales engagement platform for multi-channel sales outreach and engagement tracking. By each vendor's own wording, Act! lists full-featured crm and mobile app and email marketing, and SalesStack lists cold email outreach and sales engagement.
Act! offers a lower entry point at $30/mo compared to SalesStack at $1970/mo.
If your priority is organizing contacts, tracking deals, and forecasting revenue, Act! is the one built for it; for coordinating outreach across email, phone, and social channels, that is SalesStack. Many teams run one of each.
Understanding the Core Difference
Act! is Act! is a CRM and marketing automation platform for small and midsize businesses that unites sales, marketing and customer management in one platform. It is sold as Act! Advantage cloud plans and an Act! Premium Desktop on-premises edition.
SalesStack is Sales engagement and sales automation platform (formerly SendBuzz) that combines a B2B lead database with 40+ filters, cold email campaigns, AI calling, forms, funnels, calendars and deal management in one sales OS for SMBs.
Both platforms offer lead scoring. Where they diverge is in their approach to pricing tiers and advanced capabilities.
Pricing Comparison
Act! Advantage Standard
Grow
Act! Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Act! Advantage Standard | $30/mo | Basic Email Marketing (includes 2,500 sends/mo) |
| Act! Advantage Professional | $45/mo | Email Marketing Plus (includes 25,000 sends/mo) |
| Act! Advantage Ultimate | $60/mo | Marketing Automation (includes 50,000 sends/mo) |
| Act! Premium Desktop | $40/mo | - |
| Enterprise Engagement | Contact Sales | - |
Source: Act! Pricing
SalesStack Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Grow | $1970/yr | 5 unique mailboxes; 1000 lead search and enrichment credits; unlimited lead search | Not published as a send figure; cloud call center included |
| Ultimate | $4970/yr | 20 unique mailboxes; 3500 lead search and enrichment credits | Not published as a send figure |
| Enterprise | $9970/yr | 100 unique mailboxes; 8000 lead search and enrichment credits | Advanced, AI-powered email warm-up |
Source: SalesStack Pricing
Pricing Analysis
Act! is more affordable at the entry level ($30/mo vs $1970/mo). For teams with tight budgets or those just getting started with customer relationship management and sales pipeline tracking and multi-channel sales outreach and engagement tracking, this price difference matters.
Act! offers 5 pricing tiers compared to SalesStack's 3, giving you more granularity as you scale.
Features Breakdown
- Full-featured CRM and mobile app
- Email marketing
- Interactive quotes and payments
- Online appointment scheduling
- Forms, surveys, website chat and event management
- Reports and interactive dashboards
- and 3 more listed below
- Lead scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- Multi-Channel Outreach
- and 3 more listed below
Act! Key Features
- Full-featured CRM and mobile app
- Email marketing
- Interactive quotes and payments
- Online appointment scheduling
- Forms, surveys, website chat and event management
- Reports and interactive dashboards
- Marketing automation
- Lead scoring
- Project management
- Accounting integration
SalesStack Key Features
- Lead Scoring
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- Multi-Channel Outreach
- Calendar
- Calls and Tasks
- Team Management
Shared Capabilities
Both Act! and SalesStack include:
- Lead scoring
The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.
Listed only by Act!
- Full-featured CRM and mobile app
- Email marketing
- Interactive quotes and payments
- Online appointment scheduling
- Forms, surveys, website chat and event management
- Reports and interactive dashboards
- Marketing automation
- Project management
- Accounting integration
Listed only by SalesStack
- Cold Email Outreach
- Sales Engagement
- Sales Funnels
- AI Calling
- Custom Forms
- Multi-Channel Outreach
- Calendar
- Calls and Tasks
- Team Management
Integration Ecosystem
Act! Integrations
Act! connects with: Outlook, Google Contacts, Slack, Eventbrite, SurveyMonkey, Wufoo, BigCommerce, Ecwid, Shopify, Volusion, Facebook, Freshdesk, Zendesk, FreshBooks, QuickBooks Online, Xero.
SalesStack Integrations
SalesStack connects with: .
Integrations listed only by Act!: Outlook, Google Contacts, Slack, Eventbrite, SurveyMonkey, Wufoo, BigCommerce, Ecwid, Shopify, Volusion, Facebook, Freshdesk, Zendesk, FreshBooks, QuickBooks Online, Xero.
Use Case Recommendations
Best Fit for Act!
- Budget-conscious teams looking for an affordable CRM platform
- Organizations with complex tech stacks needing broad integration support (16 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for SalesStack
- Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
- Revenue teams coordinating email, phone, and social touches
Feature Comparison Summary
| Feature | Act! | SalesStack |
|---|---|---|
| Starting Price | $30/mo | $1970/yr |
| Top Tier Price | Contact Sales | $9970/yr |
| Total Features Listed | 10 | 10 |
| Integrations | 16 | 0 |
Getting Started Checklist
- Define your customer relationship management and sales pipeline tracking and multi-channel sales outreach and engagement tracking requirements and monthly budget
- Estimate your expected contacts and deals and sequences and engagement actions to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
Act! serves the customer relationship management and sales pipeline tracking side of an outbound stack and SalesStack the multi-channel sales outreach and engagement tracking side. Act! offers a more accessible entry point at $30/mo, while SalesStack starts at $1970/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.
Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.
Pricing and features verified as of September 2026. Visit Act! and SalesStack for current information.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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