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Cybersecurity · head to head

Proton Mail vs Sweep

Proton Mail logo

Proton Mail

Cybersecurity

Secure email that protects your privacy

From
Free
Free plan
Yes
Full reviewWebsite
Sweep logo

Sweep

Developer Tools

AI coding assistant for JetBrains IDEs

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Proton Mail paid plan pricing not displayed on vendor site; Sweep limited to JetBrains IDEs only, not available for VS Code or other editors
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Proton Mail and Sweep actually diverge.

Attributes where Proton Mail and Sweep differ
AttributeProton MailSweep
Pricing modelfreemiumFreemium with paid tiers
PlatformsWebJetBrains IDEs
CategoryCybersecurityDeveloper Tools
FoundedUnknown2023

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Proton Mail

Nothing recorded that Sweep does not also cover.

Only in Sweep

  • Autocomplete
  • AI Agent
  • Full codebase indexing
  • Code review functionality
  • Multi-IDE support
  • GitHub integration

What people use each for

The jobs each tool is most often brought in to do.

Proton Mail

  • Encrypted email communicationnot Sweep
  • Privacy-focused email servicenot Sweep
  • Family email protectionnot Sweep

Sweep

  • Accelerating code completion for JetBrains developersnot Proton Mail
  • Automating refactoring tasks across codebasesnot Proton Mail
  • Handling bug fixes with full repository contextnot Proton Mail
  • Code review and quality assurancenot Proton Mail

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Proton Mail

  • Paid plan pricing not displayed on vendor site
  • Free tier limited to 1 GB storage
  • Free tier limited to single email address

Sweep

  • Limited to JetBrains IDEs only, not available for VS Code or other editors
  • Free tier limited to 1,000 autocompletes per month
  • API credit consumption varies by feature usage
  • Performance dependent on codebase size and indexing quality

Pricing, plan by plan

Proton Mail

Free

No published plan breakdown. See the Proton Mail review.

Sweep

Free
  • FreeFree
    • 1,000 autocompletes
    • 5 USD API credits included
    • All JetBrains IDEs supported
  • Pro$20/month
    • Unlimited autocomplete
    • Higher API credit allocation
    • Priority support
  • Ultra$60/month
    • Unlimited autocomplete
    • Maximum API credit allocation
    • Extended context window

Which should you pick?

Choose Proton Mail if

  • You want to start without paying.
Proton Mail review

Choose Sweep if

  • You need autocomplete.
  • You want to start without paying.
  • You work on JetBrains IDEs.
  • You also want ai agent.
Sweep review

Questions people ask

Is Proton Mail or Sweep better?
Neither clearly leads. Proton Mail starts at Free and Sweep at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Proton Mail or Sweep?
Proton Mail starts at Free and Sweep at Free.
Does Proton Mail or Sweep run on more platforms?
Proton Mail runs on Web. Sweep runs on JetBrains IDEs.
Can I use Proton Mail for free?
Both have a free tier, so you can try either at no cost before committing.
What is Proton Mail best used for?
Proton Mail is most often used for encrypted email communication, privacy-focused email service, family email protection. Of those, encrypted email communication and privacy-focused email service are not what Sweep is typically brought in for.
What can Proton Mail do that Sweep cannot?
Sweep covers Autocomplete, AI Agent, Full codebase indexing, Code review functionality.

Answered from the vendors’ own pages

Proton Mail: Is there a free version of Proton Mail?

Yes, Proton Mail offers a free plan with 1 GB storage, 1 encrypted email address, and basic features like folders, labels, and filters.

Source
Sweep: What programming languages does Sweep support?

Sweep works with all programming languages supported by JetBrains IDEs, including Python, Java, JavaScript, Go, Kotlin, C++, and many others.

Source
Proton Mail: What does the Mail Plus plan include?

Mail Plus includes 15 GB storage, 10 encrypted email addresses, support for 1 custom domain, 10 hide-my-email aliases, priority support, and access to Proton Calendar.

Source
Sweep: Does Sweep retain my code data?

No. Sweep is SOC 2 Type II certified with zero data retention. Code is processed for suggestions but not stored.

Source
Proton Mail: What is included in Proton Unlimited?

Proton Unlimited provides 500 GB storage, 15 email addresses, 3 custom domains, unlimited hide-my-email aliases, access to Mail, Calendar, VPN, Drive, and Pass, plus dedicated support.

Source
Sweep: Can I cancel my Sweep subscription anytime?

Yes. You can cancel your subscription at any time from your account settings with no long-term commitments or cancellation fees.

Source
Proton Mail: Does Proton Mail offer a money-back guarantee?

Yes, Proton Mail provides a 30-day money-back guarantee for paid plans.

Source
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