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Notion AI reaches 10M users
Slack Huddles update: 4K Video support live
HubSpot pricing adjustment: +5% for Enterprise
Linear introduces Automated Workflows v2
New high-growth AI categories added to StackCompare
Notion AI reaches 10M users
Slack Huddles update: 4K Video support live
HubSpot pricing adjustment: +5% for Enterprise
Linear introduces Automated Workflows v2
New high-growth AI categories added to StackCompare
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Best for Startups

Apollo

The lead engine for modern sales.

VS
Best for Startups

Substack

Substack offers a comprehensive suite of Marketing tools.

50%Apollo
User Preference Split
50%Substack
Best Value
Apollo

Starts at Free

Top Rated
Apollo

4.7/5 from users

Most Popular
Substack

Trusted by 20M+

Disclaimer: Data is indicative. Verify on official sites.

Is this your product?
Is this your product?
Feature
Apollo
Recommended
Substack
Feature Score
82
86
REST API Access
SAML/SSO Security
Enterprise
Enterprise
24/7 Priority Support
24/7
Email
iOS/Android App
White-Label Branding

Cost Projection

Based on entry-level paid plans.

10
1 USER500 USERS
Apollo
$0
EST. MONTHLY
Substack
$0
EST. MONTHLY

Projected Scaling Costs

Team Size
Apollo
Substack
1 Users
$0
$0
10 Users
$0
$0
50 Users
$0
$0
100 Users
$0
$0

Analysis: Apollo

Free
Efficiency: 85/100
Cost Efficiency
Pricing vs Value ratio.
4.7
Sentiment Hub
User satisfaction index.
Provision Apollo
Unlimited Email Credits
Provision App
Official implementation.
ValueComplexity
Market Positioning
Market Quadrant
Competitive position.
Verified: 2026
SSL/TLS 1.3
Uptime: 99.9%
API: Ready
🌍 Market Leader💎 Generous Free Tier

Apollo Pros

  • Streamlined user onboarding.
  • Highly customizable dashboard.
  • Generous free-forever tier.

Apollo Cons

  • Advanced features require premium plans.

Stack Compatibility Check

Select the tools you already use to see how well Apollo integrates.

Analysis: Substack

Free
Efficiency: 78/100
Cost Efficiency
Pricing vs Value ratio.
4.7
Sentiment Hub
User satisfaction index.
Provision Substack
Keep 90% Revenue
Provision App
Official implementation.
ValueComplexity
Market Positioning
Market Quadrant
Competitive position.
Verified: 2026
SSL/TLS 1.3
Uptime: 99.9%
API: Ready
🌍 Market Leader💎 Generous Free Tier

Substack Pros

  • Streamlined user onboarding.
  • Highly customizable dashboard.
  • Generous free-forever tier.

Substack Cons

  • Advanced features require premium plans.

Stack Compatibility Check

Select the tools you already use to see how well Substack integrates.

Migration Calculator

Estimate the effort to switch from Apollo to Substack.

Based on Sales industry avgs
Team Size10 Users
Time to Migrate
15 Hours
Total downtime/setup
Data Export
CSV
Recommended format
Est. Cost
$750
In labor/consulting

StackBot AI

Online • Comparing Apollo vs Substack
I've analyzed both Apollo and Substack. My advice is AI-generated and for informational purposes only. What specific feature or use-case matters most to you?

Frequently Asked Questions

Deep Dive Reviews

Full Review
Is Apollo Worth It in 2026?
Full Review
Is Substack Worth It in 2026?

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