Seventh Sense
Email send-time optimization for HubSpot and Marketo — sends emails when each recipient is most likely to open them
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The Verdict
“Seventh Sense is a niche but effective tool for HubSpot and Marketo users who want to squeeze more performance from their email marketing. The AI send time optimization genuinely improves engagement, but it only works with two platforms.”
Best For
HubSpot or Marketo users with large email volumes who want mathematically optimized send times based on individual recipient behavior
Not Great For
Small email lists or teams on modern platforms that already include send-time optimization — the incremental improvement is marginal
Overview
Seventh Sense uses AI to optimize email send times for each individual recipient, manage audience engagement health, and improve email deliverability. It integrates natively with HubSpot and Marketo.
Email marketers, marketing ops, demand gen
Mid-Market - Enterprise
Capabilities
Key Features
- AI send time optimization per individual
- Audience engagement health management
- Email throttling
- Engagement analytics
- HubSpot native integration
- Marketo native integration
Benefits
- Increases email open rates by sending at optimal times per person
- Manages audience health to prevent list fatigue
- Improves deliverability through smart throttling
- Deep analytics beyond standard ESP reporting
Pros & Cons
Pros
- +Proven lift in open/click rates
- +Native HubSpot/Marketo integration
- +Easy to implement
- +Unique AI approach to individual timing
Cons
- -Only works with HubSpot and Marketo
- -Marketo pricing is expensive
- -Limited to email channel
- -No free trial
Outbound Use Cases
Financials & Scale
| Plan | Price | Limits | Features |
|---|---|---|---|
| HubSpot Business | $64/month | 5,000 marketing contacts | Send time optimization, Email throttling, Engagement analytics |
| HubSpot Enterprise | Custom | 50,000+ contacts | Everything in Business, Audience management, Advanced analytics |
| Marketo Business | $360/month | 50,000 leads | Send time optimization, Engagement scoring, Program-level analytics |
| Marketo Enterprise | Custom | Custom | Full platform, Dedicated support |
Seventh Sense starts at $80/mo for HubSpot integration. Most modern email platforms are adding basic send-time optimization as a built-in feature. The standalone tool market for this is shrinking — check if your existing platform has good enough native optimization before adding another tool.
The Reddit Pulse
Community Pros
- +Email send-time optimization is conceptually valued
- +HubSpot/Marketo integration fills a real gap
Community Cons
- -No Reddit community presence
- -Very niche single-feature tool
- -Hard to justify standalone cost when most ESPs have basic send-time features
Reddit Questions
- ? No dedicated Reddit threads found
Thinking of Switching?
Competitive Landscape
Technical Stack
Integrations
Data Intelligence
Head-to-Head Comparisons
Company Intel
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