AiSDR vs Mailshake: Sales Engagement Platform vs Cold Email Platform Comparison
Compare AiSDR (sales engagement platform) and Mailshake (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
AiSDR is a sales engagement platform for multi-channel outreach and engagement tracking, priced from $250/mo, while Mailshake is a cold email platform for cold email outreach, priced from $29/mo. AiSDR fits teams coordinating email, phone, and social outreach; Mailshake fits teams focused on inbox deliverability and replies. Many teams run both together.
Key takeaways
- AiSDR's entry plan, Solo, costs $250/mo and includes 200 AI-researched contacts per month with 1 domain, 3 mailboxes, and 1 LinkedIn account.
- Mailshake's entry plan, Starter, costs $29/mo and includes unlimited uploaded contacts with 1,500 email sends per month.
- Mailshake offers four pricing tiers, Starter, Email Outreach, Sales Engagement, and Agency Plan, compared to AiSDR's three tiers, Solo, Explore, and Scale.
- AiSDR integrates with HubSpot, Salesforce, Gmail, Microsoft Outlook, Aircall, Calendly, and LinkedIn, while Mailshake integrates with Salesforce, Pipedrive, HubSpot, and Zapier.
- Both AiSDR and Mailshake share integrations with HubSpot and Salesforce.
Reviewed and updated September 4, 2026
AiSDR vs Mailshake: Sales Engagement Platform vs Cold Email Platform Comparison
Sales teams building an outbound stack often weigh AiSDR, a sales engagement platform for multi-channel sales outreach and engagement tracking, against Mailshake, a cold email platform for cold email outreach. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.
The Quick Answer
AiSDR is a sales engagement platform for multi-channel sales outreach and engagement tracking; Mailshake is a cold email platform for cold email outreach. By each vendor's own wording, AiSDR lists ai-researched emails and linkedin actions on autopilot and ami ai gtm agent for strategy and campaign building, and Mailshake lists unlimited email warmup and unlimited campaigns.
Mailshake offers a lower entry point at $29/mo compared to AiSDR at $250/mo.
If your priority is coordinating outreach across email, phone, and social channels, AiSDR is the one built for it; for sending campaigns that land in the inbox and generate replies, that is Mailshake. Many teams run one of each.
Understanding the Core Difference
AiSDR is AI SDR platform whose agent researches prospects and runs email and LinkedIn outreach on autopilot, with turnkey mailbox setup and warmup, inbox rotation and two-way CRM sync.
Mailshake is Sales engagement platform with email outreach, VOIP dialer, and LinkedIn automation for sales teams.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Solo
Starter
AiSDR Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Solo | $250/mo | 200 AI-researched contacts/month | 1 domain, 3 mailboxes, 1 LinkedIn account |
| Explore | $900/mo | 800 AI-researched contacts/month | 2 domains, 6 mailboxes, 5 LinkedIn accounts |
| Scale | $2500/mo | 2,500 AI-researched contacts/month | 6 domains, 18 mailboxes, 20 LinkedIn accounts |
Source: AiSDR Pricing
Mailshake Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $29/mo | UNLIMITED uploaded contacts | 1,500 email sends per month |
| Email Outreach | $49/mo | UNLIMITED uploaded contacts | UNLIMITED email sends per month |
| Sales Engagement | $99/mo | UNLIMITED uploaded contacts | UNLIMITED email sends per month |
| Agency Plan | Contact Sales | UNLIMITED uploaded contacts | UNLIMITED email sends per month |
Source: Mailshake Pricing
Pricing Analysis
Mailshake offers the lower entry point ($29/mo vs $250/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Mailshake offers 4 pricing tiers compared to AiSDR's 3, giving you more granularity as you scale.
Features Breakdown
- AI-researched emails and LinkedIn actions on autopilot
- Ami AI GTM agent for strategy and campaign building
- Unlimited AI personas
- Turnkey email setup and warmup
- Automated inbox rotation with domain health tracking
- Native two-way HubSpot CRM sync
- and 4 more listed below
- Unlimited email warmup
- Unlimited campaigns
- Mail merge
- A/B testing
- AI email writing
- Email rotation
- and 4 more listed below
AiSDR Key Features
- AI-researched emails and LinkedIn actions on autopilot
- Ami AI GTM agent for strategy and campaign building
- Unlimited AI personas
- Turnkey email setup and warmup
- Automated inbox rotation with domain health tracking
- Native two-way HubSpot CRM sync
- Native two-way Salesforce CRM sync
- LinkedIn signals for post engagement, profile visits and keyword tracking
- AI videos in messages and AI voice notes in LinkedIn messages
- Website visitor tracking, enrichment and outreach
Mailshake Key Features
- Unlimited email warmup
- Unlimited campaigns
- Mail merge
- A/B testing
- AI email writing
- Email rotation
- Unified inbox
- LinkedIn automation (Sales Engagement+)
- VOIP dialer (US/Canada unlimited)
- Lead Catcher
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 AiSDR
- AI-researched emails and LinkedIn actions on autopilot
- Ami AI GTM agent for strategy and campaign building
- Unlimited AI personas
- Turnkey email setup and warmup
- Automated inbox rotation with domain health tracking
- Native two-way HubSpot CRM sync
- Native two-way Salesforce CRM sync
- LinkedIn signals for post engagement, profile visits and keyword tracking
- AI videos in messages and AI voice notes in LinkedIn messages
- Website visitor tracking, enrichment and outreach
Listed only by Mailshake
- Unlimited email warmup
- Unlimited campaigns
- Mail merge
- A/B testing
- AI email writing
- Email rotation
- Unified inbox
- LinkedIn automation (Sales Engagement+)
- VOIP dialer (US/Canada unlimited)
- Lead Catcher
Integration Ecosystem
AiSDR Integrations
AiSDR connects with: HubSpot, Salesforce, Gmail, Microsoft Outlook, Aircall, Calendly, LinkedIn.
Mailshake Integrations
Mailshake connects with: Salesforce, Pipedrive, HubSpot, Zapier.
Shared Integrations
Both tools integrate with: HubSpot, Salesforce.
Integrations listed only by AiSDR: Gmail, Microsoft Outlook, Aircall, Calendly, LinkedIn.
Integrations listed only by Mailshake: Pipedrive, Zapier.
Use Case Recommendations
Best Fit for AiSDR
- Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
- Organizations with complex tech stacks needing broad integration support (7 integrations)
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
Best Fit for Mailshake
- Budget-conscious teams looking for an affordable cold email platform
- Enterprise buyers who prefer custom pricing and dedicated support
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
Feature Comparison Summary
| Feature | AiSDR | Mailshake |
|---|---|---|
| Starting Price | $250/mo | $29/mo |
| Top Tier Price | $2500/mo | Contact Sales |
| Total Features Listed | 10 | 10 |
| Integrations | 7 | 4 |
Getting Started Checklist
- Define your multi-channel sales outreach and engagement tracking and cold email outreach requirements and monthly budget
- Estimate your expected sequences and engagement actions and email sending volume 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
AiSDR serves the multi-channel sales outreach and engagement tracking side of an outbound stack and Mailshake the cold email outreach side. Mailshake offers a more accessible entry point at $29/mo, while AiSDR starts at $250/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 AiSDR and Mailshake for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between AiSDR and Mailshake?
- AiSDR is a sales engagement platform built for multi-channel outreach and engagement tracking across email, phone, and social channels, while Mailshake is a cold email platform focused on cold email outreach. AiSDR includes AI-researched prospecting and LinkedIn actions, while Mailshake emphasizes campaign sending, deliverability, and unlimited email warmup.
- Which platform is cheaper, AiSDR or Mailshake?
- Mailshake is cheaper at the entry level, starting at $29/mo compared to AiSDR's $250/mo entry plan. Mailshake also offers four pricing tiers versus AiSDR's three, giving more granularity as teams scale their usage.
- Can AiSDR and Mailshake be used together?
- Yes, the article notes that many teams run one of each platform. AiSDR handles multi-channel outreach coordination and engagement tracking, while Mailshake focuses on sending cold email campaigns that land in the inbox and generate replies.
- Do AiSDR and Mailshake integrate with the same tools?
- Both platforms integrate with HubSpot and Salesforce as shared integrations. Beyond that, AiSDR also connects with Gmail, Microsoft Outlook, Aircall, Calendly, and LinkedIn, while Mailshake additionally connects with Pipedrive and Zapier.
- Which platform is better for LinkedIn outreach?
- AiSDR lists AI-researched emails and LinkedIn actions on autopilot, along with LinkedIn signals for post engagement, profile visits, and keyword tracking, plus AI voice notes in LinkedIn messages. Mailshake lists LinkedIn automation as a feature available on its Sales Engagement plan and higher.
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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