Close vs SparkPost vs SMTP vs Moosend Comparison
Close
Starting at $9 /user/month
- Free Trial
- Individuals
- Freelancers / Consultants
Close is a sales engagement CRM built for SMBs that lets teams email, call, and text leads directly from the platform without additional add-ons. It includes Sequences, task reminders, and a Power Dialer, with all activi…
SparkPost
Starting at Contact for pricing
- Free Trial
- Individuals
- Freelancers / Consultants
SparkPost is a cloud platform for sending transactional email, marketing emails, & newsletters API. Users can integrate with SparkPost through shell-accessible HTTP API endpoints. Available as a cloud or an on-premise in…
SMTP
Starting at Contact for pricing
- Individuals
- Freelancers / Consultants
SMTP was built to solve the challenges of sending email from devices behind restrictive firewalls or communicating directly with a server over SMTP. It features multiple design elements and components that have been opti…
Moosend
Starting at Contact for pricing
- Large Enterprises
- Medium Business
Moosend is a powerful Email Marketing Software for small businesses that's easy to use and affordable, with a robust feature set. With its user-friendly interface and newbie-friendly training, Moosend makes it easy to cr…
Close leads on user satisfaction with a 4.9-star rating across 573 reviews.
Close vs SparkPost vs SMTP vs Moosend — at a glance
| Feature | Close | SparkPost | SMTP | Moosend |
|---|---|---|---|---|
| Rating | 4.9 / 5 | 4.5 / 5 | 4.3 / 5 | 4.3 / 5 |
| Reviews | 573 | 69 | 11 | 416 |
| Starting price | $9 /user/month | Contact for pricing | Contact for pricing | Contact for pricing |
| Free trial | Yes | Yes | No | No |
| Free version | No | No | No | No |
| Best for | Individuals, Freelancers / Consultants, Medium Business | Individuals, Freelancers / Consultants, Large Enterprises | Individuals, Freelancers / Consultants, Large Enterprises | Large Enterprises, Medium Business, Small Business |
| Category | CRM Software | Transactional Email Software | Transactional Email Software | Email Marketing Software |
| Integrations | 1+ apps | — | — | — |
| Platforms | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS | SaaS/Web/Cloud | SaaS/Web/Cloud | SaaS/Web/Cloud |
| API | Available | — | Available | Available |
| Support modes | Business Hours, Online | 24/7 (Live rep), Business Hours, Online | 24/7 (Live rep), Business Hours, Online | Business Hours, Online |
| Certifications | SOC 2, GDPR | SOC 2, HIPAA, GDPR, ISO 27001 | — | GDPR |
| Data residency | US | Global | US | US |
Key differences between Close and SparkPost
- Pricing: Close starts at $9 /user/month. SparkPost pricing is not publicly listed.
- User satisfaction: Close scores higher with a 4.9-star average.
- Deployment: Close supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS; SparkPost supports SaaS/Web/Cloud.
Compare Close vs SparkPost vs SMTP vs Moosend — and walk away knowing which one fits.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most CRM Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
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Close, SparkPost, SMTP vs Moosend: Biggest differences
Start here before you go deeper into features.
Individuals, Freelancers / Consultants, Medium Business
Best for reliable, developer-friendly transactional and marketing email delivery.
- You need high deliverability for transactional and marketing emails.
- Your team includes developers who require robust, flexible email APIs.
- You want a platform offering both cloud and on-premise deployment options.
- You are a beginner or lack technical expertise for setup and integration.
- You require extensive third-party integrations or advanced marketplace extensions.
Individuals, Freelancers / Consultants, Large Enterprises
Large Enterprises, Medium Business, Small Business
Close typically suits Individuals and Freelancers / Consultants. SparkPost tends to fit Individuals and Freelancers / Consultants better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | Close is a sales engagement CRM built for SMBs that lets teams email, call, and text leads directly from the platform without additional add-ons. It includes Sequences, task reminders, and ... Read More about Close | SparkPost is a cloud platform for sending transactional email, marketing emails, & newsletters API. Users can integrate with SparkPost through shell-accessible HTTP API endpoints. Available ... Read More about SparkPost | SMTP was built to solve the challenges of sending email from devices behind restrictive firewalls or communicating directly with a server over SMTP. It features multiple design elements and ... Read More about SMTP | Moosend is a powerful Email Marketing Software for small businesses that's easy to use and affordable, with a robust feature set. With its user-friendly interface and newbie-friendly ... Read More about Moosend |
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SpotScoreWhat's this? ↗ | 8.6/10 | 9.2/10 | 7.2/10 | 8.8/10 |
User RatingsBased on verified Spotsaas reviews | ||||
Best Company Size | 5–100 employees | Medium BusinessLarge Enterprises | 50 to 500 employees | 1 to 500 employees |
Get pricing help | Get pricing help |
Where each option fits best
See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.
Based on buyer reviews and verified product data collected by Spotsaas.
Key strengths
- All-in-One Communication: Hub Close integrates calling, emailing, and texting directly into the CRM, eliminating the need for third-party tools. This unified approach increases efficiency and reduces costs for growing sales teams.
- Built for Productivity: With features like Sequences, Power Dialer, and task reminders, Close helps sales reps stay organized, automate outreach, and follow up with leads at the right time — all of which drive higher conversion rates.
- Transparent Collaboration with Coaching Tools: The single timeline view gives complete team visibility on lead activities, and the built-in call coaching lets sales leaders mentor and improve team performance directly within the platform.
- Reliable Email Delivery: With SMTP, your emails reach their intended recipients consistently. Businesses benefit from reduced bounce rates and improved communication efficiency.
- Scalability: Whether you're sending a few emails or millions, SMTP scales easily to meet your growing needs. This flexibility helps companies expand their outreach without hitting technical limits.
- Security Features: SMTP protocols improve the security of your email communications. Use its built-in encryption methods to protect sensitive information and build stakeholder trust.
- Email Marketing: Moosend is an intuitive platform that lets teams create, automate, and analyze email campaigns, keeping you connected with your audience without unnecessary complexity.
- Advanced Automation Features: The reliable automation capabilities let you trigger personalized messages based on user behavior. This means you can nurture leads effectively while your team focuses on strategic initiatives.
- Real-Time Analytics: Moosend provides comprehensive reporting tools that give you insights into campaign performance. This data-driven approach helps executives make informed decisions to optimize marketing strategies and boost ROI.
Best fit
- 5–100 employees
- SaaS, Marketing Agencies, E-commerce, EdTech, Consulting Services, B2B Tech, Remote-first Startups
- Account Executives, Sales Development Representatives, Sales Managers, Founders, Revenue Operations Managers, Customer Success Managers
- 50 to 500 employees
- Martech, Fintech, SaaS, E-commerce, and Digital Marketing
- Marketing Managers, IT Administrators, Email Marketing Specialists, Sales Executives, and Customer Success Managers
- 1 to 500 employees
- Martech, SaaS, E-commerce, Digital Marketing, and Nonprofit sectors
- Marketing Managers, E-commerce Managers, Digital Marketers, Content Creators, and Marketing Automation Specialists
Reasons buyers look elsewhere
- Close is specifically built for SMBs, so larger enterprises with complex sales processes or deeper customization needs may seek platforms with more robust enterprise features.
- While strong on sales engagement, Close doesn’t offer native marketing automation or lead nurturing workflows that other CRMs like HubSpot or ActiveCampaign may provide.
- Users looking for highly customizable or advanced analytics and forecasting capabilities may find Close’s reporting features less extensive compared to solutions like Salesforce or Zoho CRM.
- Users may seek alternatives to SMTP due to deliverability issues, as emails can often be marked as spam or face filtering challenges, impacting communication effectiveness and business operations.
- Security concerns are a common reason for exploring alternatives; SMTP lacks advanced encryption and authentication measures, making it vulnerable to interception and unauthorized access.
- The increasing need for real-time communication drives users towards alternatives that offer instant messaging or collaboration features, which are not supported by traditional SMTP protocols.
- Lacks advanced automation workflows — teams needing complex multi-step sequences often switch to HubSpot or ActiveCampaign
- Price-sensitive buyers find cheaper alternatives like Mailchimp or Klaviyo that cover basic email marketing at half the cost
- Limited onboarding and support — companies wanting hands-on training or dedicated account management choose platforms with stronger customer success teams
Software Demo
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How do Close, SparkPost, SMTP and Moosend Compare on Features?
Total Features | 15 Features | 25 Features | 5 Features | 22 Features |
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Unique Features | No unique features | No unique features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Close, SparkPost, SMTP and Moosend on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Close, SparkPost, SMTP vs Moosend: Other Details
Organization Types supported |
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Get help choosing | Get help choosing |
Close, SparkPost, SMTP vs Moosend Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | ✓ Yes |
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HIPAA | ✗ No | ✓ Yes |
GDPR | ✓ Yes | ✓ Yes |
ISO 27001 | ✗ No | ✓ Yes |
Single Sign-On (SSO) | ✓ Yes | ✓ Yes |
Multi-Factor Auth (MFA) | ✓ Yes | ✓ Yes |
Data Encryption | ✓ Yes | ✓ Yes |
Audit Logs | ✓ Yes | ✓ Yes |
Data Residency | 🇺🇸 US | 🌐 Global |
Close vs SparkPost vs SMTP User Reviews & Rating Comparison
User Ratings | 4.3 (based on 416 reviews) | |||
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Rating Distribution | ||||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Buyer sentiment is very strong across 639 reviews, with consistently positive feedback. What buyers like
Common complaints
| Buyer sentiment Overall positive sentiment highlights SparkPost's reliable delivery, excellent support, and robust APIs, though some users find the platform complex to set up. What buyers like
Common complaints
| Buyer sentiment Buyer sentiment is positive across 11 reviews, with strong overall satisfaction. What buyers like
Common complaints
| Buyer sentiment Buyer sentiment is positive across 416 reviews, with strong overall satisfaction. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product | No reviews available for the product | No reviews available for the product |
| Negative Reviews | No reviews available for the product | No reviews available for the product | No reviews available for the product | No reviews available for the product |
Integrations
Integration with other apps | No Integration information available. | No Integration information available. | No Integration information available. |
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Close, SparkPost, SMTP and Moosend Customers
Customers |  Toggl  Bench  Freightview | No Customers information available. | No Customers information available. | No Customers information available. |
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Media and Screenshots
Screenshots |  12 Screenshots |  3 Screenshots |
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Videos |  1 Videos |  2 Videos |
Alternatives to Close, SparkPost, SMTP, Moosend
Alternatives |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Close or SparkPost?
- Close edges out the other on user ratings (4.9 vs 4.5). That said, the best pick depends on your use case, so use the comparison tables above to evaluate each dimension.
- Do Close and SparkPost offer a free trial?
- Yes, both Close and SparkPost offer a free trial.
- What is the starting price of Close vs SparkPost?
- Close starts at $9 /user/month. SparkPost starts at Contact for pricing.
- What are the top alternatives to Close?
- Top alternatives to Close include Bigin by Zoho CRM, Creatio CRM, Telenotes CRM, Tapdesk, SpinOffice CRM.
- What are the top alternatives to SparkPost?
- Top alternatives to SparkPost include SMTP, Moosend, Postmark, Mailgun, SMTP2GO.