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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

Mailbird

Mailbird is a leading Email solution designed for modern teams.

VS
Industry Standard

Spark

Spark offers a comprehensive suite of Email tools.

49%Mailbird
User Preference Split
51%Spark
Best Value
Mailbird

Starts at Free

Top Rated
Spark

4.8/5 from users

Most Popular
Mailbird

Trusted by 500k+

Disclaimer: Data is indicative. Verify on official sites.

Founder?Claim Dashboard
Founder?Claim Dashboard
Feature
Recommended
Mailbird
Spark
Feature Score
86
80
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
Mailbird
$0
EST. MONTHLY
Spark
$490
EST. MONTHLY

Projected Scaling Costs

Team Size
Mailbird
Spark
1 Users
$0
$49
10 Users
$0
$490
50 Users
$0
$2,450
100 Users
$0
$4,900

Analysis: Mailbird

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

Mailbird Pros

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

Mailbird Cons

  • Advanced features require premium plans.
  • Smaller community marketplace.

Stack Compatibility Check

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

Analysis: Spark

$49
Efficiency: 78/100
Cost Efficiency
Pricing vs Value ratio.
4.8
Sentiment Hub
User satisfaction index.
Provision Spark
Free Trial
Provision App
Official implementation.
ValueComplexity
Market Positioning
Market Quadrant
Competitive position.
Verified: 2026
SSL/TLS 1.3
Uptime: 99.9%
API: Ready
🔥 Fan Favorite🌍 Market Leader

Spark Pros

  • Streamlined user onboarding.
  • Highly customizable dashboard.
  • Top-tier community support.

Spark Cons

  • Advanced features require premium plans.

Stack Compatibility Check

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

Migration Calculator

Estimate the effort to switch from Mailbird to Spark.

Based on Email 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 Mailbird vs Spark
I've analyzed both Mailbird and Spark. 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 Mailbird Worth It in 2026?
Full Review
Is Spark Worth It in 2026?

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Community Threads

Have a question? Ask the community of experts. We don't offer support for these apps, but our users often have the best real-world answers. All opinions are welcome.

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