PersistIQ vs SendFlock: Sales Engagement Platform vs Cold Email Platform Comparison
Compare PersistIQ (sales engagement platform) and SendFlock (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare PersistIQ (sales engagement platform) and SendFlock (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 4, 2026
PersistIQ vs SendFlock: Sales Engagement Platform vs Cold Email Platform Comparison
PersistIQ is a sales engagement platform; SendFlock is a cold email platform. Whether you need one, the other, or both depends on which part of the workflow you are buying for: multi-channel sales outreach and engagement tracking on one side, cold email outreach on the other. This guide lays out what each vendor publishes.
The Quick Answer
PersistIQ is a sales engagement platform for multi-channel sales outreach and engagement tracking; SendFlock is a cold email platform for cold email outreach. By each vendor's own wording, PersistIQ lists multi-channel sales outreach and prospecting, and SendFlock lists unlimited mailboxes and unlimited email warm up.
SendFlock publishes an entry price of $29/mo; PersistIQ uses custom pricing, so the two cannot be compared on list price.
If your priority is coordinating outreach across email, phone, and social channels, PersistIQ is the one built for it; for sending campaigns that land in the inbox and generate replies, that is SendFlock. Many teams run one of each.
Understanding the Core Difference
PersistIQ is Sales engagement platform for small teams that builds prospect lists, automates personalized email, call and task sequences, and syncs activity with a CRM.
SendFlock is Cold email software for agencies and lean lead gen teams that bundles email warmup, automated follow-up sequences, email rotation across unlimited mailboxes, a unified inbox and a simple CRM in one tool.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
All plans
Solo
PersistIQ Pricing (as of September 2026)
| Plan | Price |
|---|---|
| All plans | Contact Sales |
Source: PersistIQ Pricing
SendFlock Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Solo | $29/mo | 10,000 prospect limit; unlimited email accounts | 60,000 emails monthly; unlimited email warmup |
| Growth | $49/mo | 30,000 prospect limit; unlimited email accounts | 30,000 emails monthly; unlimited email warmup |
| Scale | $99/mo | 100,000 prospect limit; unlimited email accounts | Card prints both No monthly sending limit and 12,000 emails monthly |
| Custom plan | Contact Sales | More than 30,000 prospects or custom needs | Not published |
Source: SendFlock Pricing
Pricing Analysis
One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.
SendFlock offers 4 pricing tiers compared to PersistIQ's 1, giving you more granularity as you scale.
Features Breakdown
- Multi-channel Sales Outreach
- Prospecting
- Sales Email AI
- Chrome Extension
- A/B test
- Reporting
- and 2 more listed below
- Unlimited Mailboxes
- Unlimited Email Warm Up
- Unified Inbox
- Follow Up Sequences
- A/B Testing
- Email Rotation
- and 4 more listed below
PersistIQ Key Features
- Multi-channel Sales Outreach
- Prospecting
- Sales Email AI
- Chrome Extension
- A/B test
- Reporting
- CRM Integrations
- 14-day free trial
SendFlock Key Features
- Unlimited Mailboxes
- Unlimited Email Warm Up
- Unified Inbox
- Follow Up Sequences
- A/B Testing
- Email Rotation
- Global Block List
- Workflow Automation
- Bounce detection
- CRM
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 PersistIQ
- Multi-channel Sales Outreach
- Prospecting
- Sales Email AI
- Chrome Extension
- A/B test
- Reporting
- CRM Integrations
- 14-day free trial
Listed only by SendFlock
- Unlimited Mailboxes
- Unlimited Email Warm Up
- Unified Inbox
- Follow Up Sequences
- A/B Testing
- Email Rotation
- Global Block List
- Workflow Automation
- Bounce detection
- CRM
Integration Ecosystem
PersistIQ Integrations
PersistIQ connects with: Salesforce, Copper, Pipedrive, HubSpot, Gmail, Outlook, Zapier.
SendFlock Integrations
SendFlock connects with: Gmail, Gsuite, Outlook, Zoho, Custom SMTP/IMAP, Zapier.
Shared Integrations
Both tools integrate with: Gmail, Outlook, Zapier.
Integrations listed only by PersistIQ: Salesforce, Copper, Pipedrive, HubSpot.
Integrations listed only by SendFlock: Gsuite, Zoho, Custom SMTP/IMAP.
Use Case Recommendations
Best Fit for PersistIQ
- Organizations with complex tech stacks needing broad integration support (7 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
Best Fit for SendFlock
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (10 capabilities listed)
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | PersistIQ | SendFlock |
|---|---|---|
| Starting Price | Contact Sales | $29/mo |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 8 | 10 |
| Integrations | 7 | 6 |
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
PersistIQ serves the multi-channel sales outreach and engagement tracking side of an outbound stack and SendFlock the cold email outreach side. SendFlock publishes an entry price of $29/mo, while PersistIQ uses custom pricing for its plans, so compare on features and on the quote you receive. 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 PersistIQ and SendFlock 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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