Thunderbird vs Proton Mail

The main difference between Thunderbird and Proton Mail is that Proton Mail offers a money-back guarantee for 30 days but Thunderbird does not offer this.

In this versus, we compare Thunderbird vs Proton Mail in-depth to help you choose one of them. If you want to know more details, we recommend you to read our Thunderbird review and Proton Mail review.

However, you can also directly find the Best Email Client Software, we list them by ranking (based on our review rating), you can find all the comparisons we made and we explain how you should choose the proper one.

Here is what we will talk about in the rest of this article:

Quick overview

Thunderbird vs Proton Mail at a Glance

To make your choice quick and efficient, here is a short summary about our comparison of Proton Mail vs Thunderbird. Find out their ratings, features, prices and then discover the winner of the versus.

Pros and Cons comparison

Thunderbird Review, Pricing, Features with Pros and Cons

Thunderbird Review, Pricing, Features with Pros and Cons

In this Thunderbird review, you’ll find more information about its features, pricing, pros and cons and why you should …
Average Score 9.2
Customer support
Value for money
Ease of use
  • Unified inbox
  • Cross-platform
  • Feature-rich
  • Privacy-focused
  • Open-source
  • Learning curve
  • Less comprehensive than other alternatives
Proton Mail Review, Pricing, Features with Pros and Cons

Proton Mail Review, Pricing, Features with Pros and Cons

In this Proton Mail review, you’ll find more information about its features, pricing, pros and cons and why you should …
Average Score 9.5
Customer support
Value for money
Ease of use
  • Custom domain support
  • Robust security features
  • Swiss Jurisdiction
  • Mobile app
  • Open-source
  • Package clarity
  • Personal information requirement
  • No subject line encryption

Specifications comparison

DetailsThunderbirdProton Mail
Features+100 Languages / 1-click Address Book / Add-Ons / Advanced Search Filters / Attachment reminders / Customizable interface / Free Version and Setup / Large files management / Message archive / Open-Source Transparency / Protect Privacy / Quick filter toolbar / Real-time anti-phishing / Regular Updates / Security and Privacy Controls / Smart Search / Smart folders / Tabbed InboxAddress verification / Alternative Routing / Custom Domains / Customization Features / End-to-End Encryption / Key Pinning / Keyboard Shortcuts / Labeling / Link Protection / Open-Source Transparency / Password-Protected Emails / Real-time anti-phishing / Secured with Encryption to Protect User Privacy / Swiss Privacy Laws / Third-party security audits / Tracking Protection / Two-Factor Authentication / Zero-Access Encryption
Best suited forIndividuals, Freelancers, Small businesses, Mid size businesses, Large enterprisesIndividuals, Freelancers, Small businesses, Mid size businesses, Large enterprises
Website languagesArabic / Azerbaijani / Brasil / Chinese / Danish / Deutsch / Dutch / English / Finnish / French / German / Greek / Hindi / Indian / Indonesian / Italian / Japanese / Kazakh / Korean / Latvian / Malay / Multilingual / Nederlands / Norsk / Nynorsk / Persian / Polish / Polsky / Portuguese / Română / Russian / Spanish / Suomi / Svenska / Swedish / Tagalog / Thai / Turkish / Ukrainian / Urdu / VietnameseDeutsch / English / French / Italian / Nederlands / Polsky / Portuguese / Română / Russian / Spanish / Turkish
Website URLVisit official websiteVisit official website
Support linkSupport pageSupport page
Live chatYesNo
Company addressSan Francisco, CASwitzerland
Year founded20032014

Pricing comparison

Compare the price between Thunderbird vs Proton Mail

Find out which software has the best valuable pricing, which one offers a free trial and money back guarantee.

Pricing comparisonThunderbirdProton Mail
Pricing rangeFreeFrom $4.99 to $12.99 per month
Pricing typesDonation / FreeMonthly subscription
Free planYesYes
Free trialNoNo
Money back guaranteeNoYes, 30 days
Pricing page linkSee plansSee plans

Thunderbird Pricing details

Thunderbird is completely free to use. It’s an open-source project, funded by user donations rather than ads or data collection.

Thunderbird pricing

Thunderbird is funded by user donations and is free to use. There are no specific pricing plans or subscription models.

The software operates on a donation-based funding model, where users can voluntarily contribute to support the development and maintenance of the software.

While contributions are not tax-deductible, they play a crucial role in keeping the software secure, private, and free for users around the world.

Donations can be made in various ways, including checks via postal service. Organizations can also get involved in supporting Thunderbird.

Proton Mail Pricing details

Step into the world of Proton Mail, where email security meets affordability. With pricing plans ranging from $0 to $12.99 per month, there’s a perfect fit for everyone—from the individual seeking basic privacy features to the business requiring a full suite of advanced functionalities.

Explore our detailed guide to find the plan that aligns seamlessly with your needs and budget !

Proton Mail pricing

Proton Free

  • Cost: $0 per month
  • Storage: Provides up to 1 GB of total storage for your emails and attachments.
  • Email Addresses: You get one free email address.
  • Message Limit: Allows you to send up to 150 messages per day.
  • Calendars: Comes with 3 calendars for organizing your schedule.
  • Device Sync: Enables syncing across multiple devices.
  • File Sharing: Offers encrypted file sharing capabilities.

Mail Plus

  • Cost: $3.99 per month, with an option to save by paying $47.88 for 12 months.
  • Storage: Expands storage to 15 GB, accommodating more emails and larger files.
  • Email Addresses: Allows you to have up to 10 different email addresses.
  • Message Limit: Offers unlimited messaging, removing the daily cap.
  • Custom Domain: Supports one custom email domain, ideal for businesses or professionals.
  • Calendars: Provides 25 calendars for more intricate scheduling needs.
  • Calendar Sharing: Enables sharing of calendars with others.
  • Device Sync: Syncing across devices is supported.
  • File Sharing: Encrypted file sharing is available.

Proton Unlimited (Popular)

  • Cost: $9.99 per month, with an option to save by paying $119.88 for 12 months.
  • Storage: Skyrockets storage to 500 GB, suitable for heavy users.
  • Email Addresses: Permits up to 15 email addresses.
  • Message Limit: Offers unlimited messaging.
  • Custom Domains: Supports up to 3 custom email domains.
  • Folders and Labels: Provides unlimited folders, labels, and filters for better email organization.
  • Calendars: Comes with 25 calendars.
  • Calendar Sharing: Allows calendar sharing.
  • Device Sync: Supports syncing across all your devices.
  • File Sharing: Offers encrypted file sharing with version history.

These are the primary pricing plans offered by Proton Mail, each designed to meet different user needs for secure and private email communication.

Thunderbird vs Proton Mail
Thunderbird vs Proton Mail