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Cybersecurity · head to head

Proton Mail vs Springbrook Software

Proton Mail logo

Proton Mail

Cybersecurity

Secure email that protects your privacy

From
Free
Free plan
Yes
Full reviewWebsite
Springbrook Software logo

Springbrook Software

Government

Cloud ERP built only for small and mid-sized local governments and utility districts

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Only Proton Mail has a free tier, so it costs nothing to try first.
  • Each has a real cost: Proton Mail paid plan pricing not displayed on vendor site; Springbrook Software nothing is publicly priced, and public sector quotes bundle licence, implementation and conversion so tightly that comparing two vendors requires a formal procurement.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Proton Mail and Springbrook Software actually diverge.

Attributes where Proton Mail and Springbrook Software differ
AttributeProton MailSpringbrook Software
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo
CategoryCybersecurityGovernment

Identical on both: platforms (Web), 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 Springbrook Software does not also cover.

Only in Springbrook Software

  • Cirrus cloud platform
  • Fund accounting
  • Utility billing
  • Payroll and human resources
  • Cashless payments
  • Permitting and land management

What people use each for

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

Proton Mail

  • Encrypted email communicationnot Springbrook Software
  • Privacy-focused email servicenot Springbrook Software
  • Family email protectionnot Springbrook Software

Springbrook Software

  • A city of a few thousand residents retiring an on-premises finance server nobody on staff can maintainnot Proton Mail
  • A water and sewer district needing meter-based utility billing tied directly to the general ledgernot Proton Mail
  • A town that must produce GASB-compliant annual financial reports without a full-time systems accountantnot Proton Mail
  • Adding online resident payment for utility bills and licences without integrating a third-party gateway by handnot 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

Springbrook Software

  • Nothing is publicly priced, and public sector quotes bundle licence, implementation and conversion so tightly that comparing two vendors requires a formal procurement.
  • It is scoped for small and mid-sized agencies, so grant accounting, capital project tracking and human resources depth fall short for larger cities.
  • Data conversion from a legacy municipal system is the largest risk and cost in the project, and historical utility billing data in particular frequently converts badly.
  • The integration list is short compared with entrenched public sector vendors, so agencies already committed to a large incumbent ecosystem will have gaps to bridge.
  • Being cloud-native means the agency cannot defer upgrades, which is an advantage for security but removes control over timing from finance teams working to a fiscal calendar.

Pricing, plan by plan

Proton Mail

Free

No published plan breakdown. See the Proton Mail review.

Springbrook Software

On request
  • Springbrook Cirrus$undefined/year
    • Cloud ERP for local government
    • Priced by population, module selection and user count
    • Implementation, data conversion and training quoted separately

Which should you pick?

Choose Proton Mail if

  • You want to start without paying.
Proton Mail review

Choose Springbrook Software if

  • You need cirrus cloud platform.
  • You also want fund accounting.
Springbrook Software review

Questions people ask

Is Proton Mail or Springbrook Software better?
Neither clearly leads. Proton Mail starts at Free and Springbrook Software at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Proton Mail or Springbrook Software?
Proton Mail has a free tier; the other does not. Paid plans start at Free for Proton Mail and On request for Springbrook Software.
Does Proton Mail or Springbrook Software run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Proton Mail for free?
Yes. Proton Mail has a free tier, so you can try it without paying. Springbrook Software starts at On request.
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 Springbrook Software is typically brought in for.
What can Proton Mail do that Springbrook Software cannot?
Springbrook Software covers Cirrus cloud platform, Fund accounting, Utility billing, Payroll and human resources.

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
Springbrook Software: Who is Springbrook for?

Small and mid-sized cities, towns, water and sewer agencies and special districts, not counties or states.

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
Springbrook Software: Is Cirrus really cloud-native?

Yes, it is a multi-tenant rebuild rather than a hosted version of the older client-server product, which is the main reason agencies switch to it.

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
Springbrook Software: Is pricing published?

No. Local government ERP is quoted through procurement, bundling licence, implementation and data conversion.

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

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

Source
Springbrook Software: What is the hardest part of implementation?

Converting historical data, particularly utility billing history, from the outgoing system.

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