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Software · head to head

.NET vs Spring Boot

.

.NET

Software

Free, cross-platform, open source developer platform

From
Free
Rated
-
Full reviewWebsite
S

Spring Boot

Software

Stand-alone, production-grade Spring based applications that you can just run

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: .NET .NET 8 and .NET 9 both reach end of support on 10 November 2026, per dotnet.microsoft.com/en-us/platform/support/policy (Aug 2026), forcing an upgrade to .NET 10 by that date; Spring Boot requires Java 17 as the minimum version for Spring Boot 4.1.0, per docs.spring.io/spring-boot/system-requirements.html (Aug 2026); older Java runtimes are not supported

Where they differ

Only the attributes on which .NET and Spring Boot actually diverge.

Attributes where .NET and Spring Boot differ
Attribute.NETSpring Boot

Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), platforms (Web), user rating (Not yet rated), category (Unknown).

Where each one falls short

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

.NET

  • .NET 8 and .NET 9 both reach end of support on 10 November 2026, per dotnet.microsoft.com/en-us/platform/support/policy (Aug 2026), forcing an upgrade to .NET 10 by that date
  • Standard Term Support releases get only 2 years of patches versus 3 years for Long Term Support releases, per Microsoft's own support policy page, so teams on an STS release face a shorter upgrade cycle

Spring Boot

  • Requires Java 17 as the minimum version for Spring Boot 4.1.0, per docs.spring.io/spring-boot/system-requirements.html (Aug 2026); older Java runtimes are not supported
  • Requires Spring Framework 7.0.8 or above and Gradle 8.14+ or Maven 3.6.3+, per Spring's own system requirements page, so older toolchains must be upgraded first

Pricing, plan by plan

.NET

Free

No published plan breakdown. See the .NET review.

Spring Boot

Free

No published plan breakdown. See the Spring Boot review.

Which should you pick?

Choose .NET if

  • You want to start without paying.
.NET review

Choose Spring Boot if

  • You want to start without paying.
Spring Boot review

Questions people ask

Is .NET or Spring Boot better?
Neither clearly leads. .NET starts at Free and Spring Boot at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, .NET or Spring Boot?
.NET starts at Free and Spring Boot at Free.
Does .NET or Spring Boot run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use .NET for free?
Both have a free tier, so you can try either at no cost before committing.
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