Qualifier.ai vs Success.ai: Sales Engagement Platform vs Cold Email Platform Comparison
Compare Qualifier.ai (sales engagement platform) and Success.ai (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Qualifier.ai is a sales engagement platform built around an AI assistant called Qai that runs multi-channel sequences across email, phone, and LinkedIn, while Success.ai is a cold email platform with unlimited sending accounts, unlimited warmup, and a 700M+ contact database. Success.ai lists $49/mo entry pricing; Qualifier.ai uses custom, contact-sales pricing. Many teams run both together.
Key takeaways
- Success.ai publishes an entry price of $49/mo for its Lite plan, while Qualifier.ai uses custom, contact-sales pricing with a single plan.
- Success.ai offers 4 pricing tiers (Lite, Starter, Pro, Enterprise) compared to Qualifier.ai's 1 tier.
- Success.ai's Lite plan includes 2,000 tokens per month for reveals, enrichment, and AI actions, plus access to a 700M+ contact database with unlimited look-ups.
- Qualifier.ai's AI assistant, Qai, runs multi-channel sequences combining email, phone, and LinkedIn steps and automatically detects and categorizes replies.
- Qualifier.ai integrates with Gmail, Outlook, Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Upsales, and Lime Go, while Success.ai integrates with Zapier, HubSpot, Salesforce, Pipedrive, and Slack.
Reviewed and updated September 5, 2026
Qualifier.ai vs Success.ai: Sales Engagement Platform vs Cold Email Platform Comparison
Qualifier.ai (sales engagement platform) and Success.ai (cold email platform) sit next to each other in many outbound stacks. They are not substitutes for each other on every job, so this comparison covers pricing, features, and integrations for each and points out where the two meet.
The Quick Answer
Qualifier.ai is a sales engagement platform for multi-channel sales outreach and engagement tracking; Success.ai is a cold email platform for cold email outreach. By each vendor's own wording, Qualifier.ai lists qai, your ai sales assistant and multi-channel sequences, and Success.ai lists ai sales & reply operators and 700m+ database with unlimited look-ups.
Success.ai publishes an entry price of $49/mo; Qualifier.ai uses custom pricing, so the two cannot be compared on list price.
If your priority is coordinating outreach across email, phone, and social channels, Qualifier.ai is the one built for it; for sending campaigns that land in the inbox and generate replies, that is Success.ai. Many teams run one of each.
Understanding the Core Difference
Qualifier.ai is Automated outbound sales platform built around an AI assistant called Qai that finds prospects, verifies contacts and runs multi-channel sequences combining email, phone and LinkedIn steps. Replies are detected and categorized automatically, and prospect data and verification are included rather than metered.
Success.ai is Cold email outreach platform with unlimited email sending accounts, unlimited warmup, a unified inbox and a 700M+ contact B2B database. AI operators write campaigns and draft replies, and a token balance meters data reveals, enrichment and AI actions.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Single plan
Lite
Qualifier.ai Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Single plan | Contact Sales | Priced on prospects worked per month and number of users | Monthly volume of new prospects is set in the agreement; nothing metered separately |
Source: Qualifier.ai Pricing
Success.ai Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Lite | $49/mo | 2,000 tokens /mo for reveals, enrichment & AI; 700M+ database with unlimited look-ups | 5K emails /mo with warm-up on 10 accounts |
| Starter | $99/mo | 6,000 tokens /mo for reveals, enrichment & AI; 700M+ database with unlimited look-ups | 50K emails /mo with unlimited warm-up |
| Pro | $199/mo | 10,000 tokens /mo + advanced search filters | 150K emails /mo + advanced deliverability |
| Enterprise | Contact Sales | Custom tokens & unlimited email sending | Custom tokens & unlimited email sending |
Source: Success.ai 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.
Success.ai offers 4 pricing tiers compared to Qualifier.ai's 1, giving you more granularity as you scale.
Features Breakdown
- Qai, your AI sales assistant
- Multi-channel sequences
- Email verification and deduplication
- Deliverability protection with smart pacing
- Smart follow-ups that stop on reply
- Reply detection and categorization
- and 2 more listed below
- AI Sales & Reply Operators
- 700M+ database with unlimited look-ups
- Unified InboxHub
- Data enrichment & email verification built in
- unlimited warm-up
- advanced search filters
- and 3 more listed below
Qualifier.ai Key Features
- Qai, your AI sales assistant
- Multi-channel sequences
- Email verification and deduplication
- Deliverability protection with smart pacing
- Smart follow-ups that stop on reply
- Reply detection and categorization
- All inbox and CRM integrations
- GDPR compliant, data stored in the EU
Success.ai Key Features
- AI Sales & Reply Operators
- 700M+ database with unlimited look-ups
- Unified InboxHub
- Data enrichment & email verification built in
- unlimited warm-up
- advanced search filters
- advanced deliverability
- Website Visitor identification
- 5 deal pipelines
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 Qualifier.ai
- Qai, your AI sales assistant
- Multi-channel sequences
- Email verification and deduplication
- Deliverability protection with smart pacing
- Smart follow-ups that stop on reply
- Reply detection and categorization
- All inbox and CRM integrations
- GDPR compliant, data stored in the EU
Listed only by Success.ai
- AI Sales & Reply Operators
- 700M+ database with unlimited look-ups
- Unified InboxHub
- Data enrichment & email verification built in
- unlimited warm-up
- advanced search filters
- advanced deliverability
- Website Visitor identification
- 5 deal pipelines
Integration Ecosystem
Qualifier.ai Integrations
Qualifier.ai connects with: Gmail, Outlook, Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Upsales, Lime Go.
Success.ai Integrations
Success.ai connects with: Zapier, HubSpot, Salesforce, Pipedrive, Slack.
Shared Integrations
Both tools integrate with: Salesforce, HubSpot, Pipedrive.
Integrations listed only by Qualifier.ai: Gmail, Outlook, Microsoft Dynamics 365, Upsales, Lime Go.
Integrations listed only by Success.ai: Zapier, Slack.
Use Case Recommendations
Best Fit for Qualifier.ai
- Organizations with complex tech stacks needing broad integration support (8 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 Success.ai
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (9 capabilities listed)
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | Qualifier.ai | Success.ai |
|---|---|---|
| Starting Price | Contact Sales | $49/mo |
| Top Tier Price | Contact Sales | Contact Sales |
| Total Features Listed | 8 | 9 |
| Integrations | 8 | 5 |
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
Qualifier.ai serves the multi-channel sales outreach and engagement tracking side of an outbound stack and Success.ai the cold email outreach side. Success.ai publishes an entry price of $49/mo, while Qualifier.ai 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 Qualifier.ai and Success.ai for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Qualifier.ai and Success.ai?
- Qualifier.ai is a sales engagement platform for multi-channel outreach across email, phone, and LinkedIn with engagement tracking, while Success.ai is a cold email platform focused on sending campaigns that land in the inbox and generate replies. Qualifier.ai centers on its AI assistant Qai, and Success.ai centers on AI sales and reply operators plus a large contact database.
- How much does Success.ai cost compared to Qualifier.ai?
- Success.ai publishes an entry price of $49/mo for its Lite plan, with Starter at $99/mo and Pro at $199/mo, plus a custom Enterprise tier. Qualifier.ai uses custom, contact-sales pricing for its single plan, so the two cannot be directly compared on list price.
- Which platform is better for multi-channel outreach?
- Qualifier.ai is built for coordinating outreach across email, phone, and social channels through multi-channel sequences run by its AI assistant, Qai. Success.ai is focused specifically on cold email outreach rather than multi-channel sequencing.
- Do Qualifier.ai and Success.ai integrate with the same tools?
- They share some integrations but are not identical. Qualifier.ai connects with Gmail, Outlook, Salesforce, HubSpot, Pipedrive, Microsoft Dynamics 365, Upsales, and Lime Go, while Success.ai connects with Zapier, HubSpot, Salesforce, Pipedrive, and Slack.
- Can teams use both Qualifier.ai and Success.ai together?
- Yes, many teams run one of each since they serve different roles in an outbound stack. Qualifier.ai handles multi-channel sales engagement and tracking, while Success.ai handles cold email sending, warmup, and contact database lookups.
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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