Protonmail vs Paubox Encrypted Email Comparison
Protonmail
Starting at Contact for pricing
- Large Enterprises
- Medium Business
ProtonMail is a secure emailing service based in Geneva, Switzerland, founded in 2013. It ensures user data privacy by employing client-side encryption before content and information is sent to ProtonMail servers. Subscr…
Paubox Encrypted Email
Starting at $10 /User/Month
- Free Trial
- Individuals
- Large Enterprises
Paubox Encrypted Email is a revolutionary email encryption software that can help to digitally sign, encrypt, decrypt, sign and send email with ease. With Paubox Encrypted Email private information is safe from prying ey…
Paubox Encrypted Email leads on user satisfaction with a 4.9-star rating across 366 reviews.
SpotSaaS Analysis
ProtonmailPaubox Encrypted Email
The core difference lies in Protonmail's focus on client-side encryption for general secure communications, while Paubox Encrypted Email emphasizes HIPAA compliance with automated encryption for healthcare organizations. Ideal buyers for Protonmail are small to medium businesses needing secure email, whereas Paubox is suited for small businesses and large enterprises in the healthcare sector.
- Best for secure, privacy-focused email - Strong client-side encryption - Ideal for sensitive communications - Accessible via web, mobile, and Tor - Suitable for small and medium businesses - Focuses on general security needs
- Best for HIPAA-compliant email - Seamless encryption with minimal user effort - Automated behind-the-scenes encryption - Ensures compliance for healthcare organizations - Simple, low-complexity setup and integration - Suitable for small businesses and large enterprises
Protonmail vs Paubox Encrypted Email — at a glance
| Feature | Protonmail | Paubox Encrypted Email |
|---|---|---|
| Rating | 3.0 / 5 | 4.9 / 5 |
| Reviews | 430 | 366 |
| Starting price | Contact for pricing | $10 /User/Month |
| Free trial | No | Yes |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Individuals, Large Enterprises, Medium Business |
| Category | Email Encryption Software | Email Encryption Software |
| Platforms | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS | SaaS/Web/Cloud |
| API | — | — |
| Support modes | Online | Business Hours, Online |
| Certifications | GDPR | SOC 2, HIPAA, GDPR |
| Data residency | EU | US |
Key differences between Protonmail and Paubox Encrypted Email
- Pricing: Paubox Encrypted Email starts at $10 /User/Month. Protonmail pricing is not publicly listed.
- Free trial: Paubox Encrypted Email offers a free trial; Protonmail does not.
- Target audience: Protonmail is built for Large Enterprises and Medium Business, while Paubox Encrypted Email targets Individuals and Large Enterprises.
- User satisfaction: Paubox Encrypted Email scores higher with a 4.9-star average.
- Deployment: Protonmail supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS; Paubox Encrypted Email supports SaaS/Web/Cloud.
Protonmail vs Paubox Encrypted Email — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Email Encryption 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
Talk to an expert Talk to an expert | Talk to an expert Talk to an expert |
Biggest differences
Start here before you go deeper into features.
Best for secure, privacy-focused email with strong client-side encryption.
- You need end-to-end encrypted email for sensitive communications.
- Your team requires easy access via web, mobile, and Tor network.
- You prioritize open-source transparency and data privacy compliance.
- Your organization demands advanced enterprise email management features.
- You require clear, published pricing and extensive legacy system integrations.
Best for HIPAA-compliant, seamless email encryption with minimal user effort.
- You need automated, behind-the-scenes email encryption ensuring HIPAA compliance.
- Your organization values simple, low-complexity setup and integration.
- You require reliable customer support for secure email communications.
- Your team needs a mobile-friendly encrypted email solution with dedicated apps.
- You want a highly customizable or visually rich backend user interface.
Protonmail: Best for secure, privacy-focused email with strong client-side encryption. Paubox Encrypted Email: Best for HIPAA-compliant, seamless email encryption with minimal user effort.
Description | ProtonMail is a secure emailing service based in Geneva, Switzerland, founded in 2013. It ensures user data privacy by employing client-side encryption before content and information is ... Read More about Protonmail | Paubox Encrypted Email is a revolutionary email encryption software that can help to digitally sign, encrypt, decrypt, sign and send email with ease. With Paubox Encrypted Email private ... Read More about Paubox Encrypted Email |
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User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Small BusinessMedium Business | Small BusinessLarge Enterprises |
Get pricing help | Get pricing help |
Software Demo
Demo |
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How do Protonmail and Paubox Encrypted Email Compare on Features?
Total Features | 7 Features | 0 Features |
|---|---|---|
Unique Features | No unique features | No features |
Get Quote | Get Quote |
Compare Protonmail and Paubox Encrypted Email 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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Other Details
Organization Types supported |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✗ No | ✓ Yes |
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HIPAA | ✗ No | ✓ Yes |
GDPR | ✓ Yes | ✓ Yes |
ISO 27001 | ✗ No | — |
Single Sign-On (SSO) | ✗ No | ✓ Yes |
Multi-Factor Auth (MFA) | ✓ Yes | ✓ Yes |
Data Encryption | ✓ Yes | ✓ Yes |
Audit Logs | — | ✓ Yes |
Data Residency | 🇪🇺 EU | 🇺🇸 US |
Protonmail User Reviews & Rating Comparison
User Ratings | ||
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Users appreciate ProtonMail's strong privacy features but express concerns over limited enterprise functionality and unclear pricing. What buyers like
Common complaints
| Buyer sentiment Users overwhelmingly appreciate Paubox Encrypted Email for its ease of use, seamless integration, and reliable HIPAA-compliant encryption, though some note mobile limitations and occasional email delays. 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 |
| Negative Reviews | No reviews available for the product | No reviews available for the product |
Media and Screenshots
Screenshots |  6 Screenshots | No screenshots available. |
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Videos |  3 Videos |  2 Videos |
Top Alternatives to Protonmail and Paubox Encrypted Email in 2026
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, Protonmail or Paubox Encrypted Email?
- Paubox Encrypted Email edges out the other on user ratings (4.9 vs 3.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Protonmail and Paubox Encrypted Email offer a free trial?
- Paubox Encrypted Email offers a free trial. Protonmail does not.
- What is the starting price of Protonmail vs Paubox Encrypted Email?
- Protonmail starts at Contact for pricing. Paubox Encrypted Email starts at $10 /User/Month.
- What are the top alternatives to Protonmail?
- Top alternatives to Protonmail include ProtonVPN, Tutanota, Mailfence, NeoCertified, DataMotion Secure Email.
- What are the top alternatives to Paubox Encrypted Email?
- Top alternatives to Paubox Encrypted Email include ZixEncrypt, Virtru, Proofpoint Email Encryption, SendSafely, SenditCertified.