Beehiiv vs Castos: Which Email Marketing Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.
The Short Answer
Beehiiv vs Castos, in 15 seconds
Choose Beehiiv if…
- You want the lower entry price
- You need a genuinely free plan
- You depend on a broad integration ecosystem
- You want deeper AI and automation features
Choose Castos if…
- You prefer Castos's approach and ecosystem
Head-to-Head Scorecard
How Beehiiv and Castos score
Beehiiv leads on 6 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
BeehiivNo reviewsCastosNo reviews - Even
Review Volume
Number of verified reviews, a proxy for adoption
Beehiiv0Castos0 - Beehiiv
Entry Pricing
Lowest published starting price (free plan = lowest)
Beehiiv$43/moCastosCustom - Beehiiv
Free Access
Availability of a free plan and/or free trial
BeehiivFree plan + trialCastosFree trial - Beehiiv
Integrations
Number of listed third-party integrations
Beehiiv8Castos6 - Beehiiv
Features
Number of listed product capabilities
Beehiiv11Castos0 - Beehiiv
AI Features
Capabilities mentioning AI, automation or ML
Beehiiv1Castos, - Beehiiv
Security & Compliance
Number of listed compliance certifications
Beehiiv2Castos1 - Castos
Platforms & Deployment
Supported platforms and deployment options
Beehiiv2Castos4
Feature Comparison
Beehiiv vs Castos feature breakdown
Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.
Beehiiv
CastosPricing Comparison
Beehiiv vs Castos pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
Beehiiv
$43/mo to start- Up to 2,500 subscribers
- Unlimited email sends
- Custom website & domain
- Basic analytics
- Monetization (ads, boosts, paid subs)
- Automations
- Referral program
- Priority support
- Everything in Scale
- Removes beehiiv branding
- Multiple publications
- Higher limits
- Dedicated IP addresses
- Send API
- Single sign-on
- Custom limits
Castos
Custom to start- Analytics and reporting
- Integrations
- WordPress plugin
- Standard support
- Everything in Professional
- Advanced security and controls
- YouTube republishing
- analytics
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
Beehiiv vs Castos: strengths and trade-offs
Beehiiv
Pros
- Free plan available
- Free trial offered
- Broad integration ecosystem (8)
- Compliance: SOC 2 Type II, GDPR
- Stronger AI / automation features
- Public API available
Cons
Castos
Pros
- Free trial offered
- Compliance: GDPR
- Public API available
Cons
- No free plan
- Pricing is quote-based (less transparent)
- Fewer native integrations than the alternative
Buyer Fit
Who should use Beehiiv vs Castos?
Startups
Beehiiv
Beehiiv keeps early-stage costs lowest with its entry tier.
Small businesses
Beehiiv
Beehiiv offers the most accessible pricing for lean teams.
Agencies
Beehiiv
Beehiiv connects to more tools for multi-client workflows.
Enterprises
Beehiiv
Beehiiv leads on compliance and breadth for complex needs.
Ecommerce
Beehiiv
Beehiiv integrates with more of the commerce stack.
SaaS companies
Beehiiv
Beehiiv is the more developer- and automation-friendly choice.
Integration overlap
Shared integrations (1)
Only in Beehiiv (7)
Only in Castos (5)
Keep Exploring
Other alternatives worth considering
Similar email marketing products buyers compare alongside Beehiiv and Castos.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs Beehiiv and Castos against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationBeehiiv vs Castos, Frequently Asked Questions
What is the difference between Beehiiv and Castos?
Beehiiv and Castos are both Email Marketing solutions. Beehiiv is rated 0.0/5 by 0 users, while Castos is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, Beehiiv or Castos?
Based on user ratings, Beehiiv scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, Beehiiv or Castos?
Beehiiv is the more affordable option, starting at $43/month.
Does Beehiiv or Castos have a free plan?
Beehiiv offers a free plan. Castos does not have a free tier but does offer a free trial.
Can I switch from Beehiiv to Castos?
Switching between Beehiiv and Castos is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use Beehiiv vs Castos?
Beehiiv is best suited for teams that prioritise enterprise features. Castos works well for teams needing advanced capabilities.
Our Verdict
The bottom line on Beehiiv vs Castos
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Beehiiv
Beehiiv has the friendliest entry point for new teams.
Best for Enterprise
Beehiiv
Beehiiv leads on compliance and feature breadth.
Best Value
Beehiiv
Beehiiv delivers the lowest cost to get started.
Best AI Features
Beehiiv
Beehiiv ships more AI and automation.
Highest Rated
Either
Both earn equal user ratings.