Developer Tools · head to head
Namespace vs Proton Mail
Namespace
Developer Tools
The dev platform for the next 100 billion commits
- From
- Free
- Free plan
- Yes
Proton Mail
Cybersecurity
Secure email that protects your privacy
- From
- Free
- Free plan
- Yes
The short version
- Each has a real cost: Namespace developer plan is pay-as-you-go only; minimum usage unclear; Proton Mail paid plan pricing not displayed on vendor site
- Prices and features above were last checked on 29 August 2026.
Where they differ
Only the attributes on which Namespace and Proton Mail actually diverge.
| Attribute | Namespace | Proton Mail |
|---|---|---|
| Pricing model | Unknown | freemium |
| Platforms | Cloud, Mac, Windows, Linux | Web |
| Category | Developer Tools | Cybersecurity |
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 Namespace
- Devboxes
- GitHub Actions runners
- Docker builds
- Cross-invocation caching
- NVMe storage
- High-speed networking
- Multiple OS support
- Bazel and Turborepo support
Only in Proton Mail
Nothing recorded that Namespace does not also cover.
What people use each for
The jobs each tool is most often brought in to do.
Namespace
- Providing AI coding agents with cloud-based development environmentsnot Proton Mail
- Accelerating CI builds with faster GitHub Actions runnersnot Proton Mail
- Distributing builds across teams with managed infrastructurenot Proton Mail
- Scaling development velocity for monorepo organizationsnot Proton Mail
Proton Mail
- Encrypted email communicationnot Namespace
- Privacy-focused email servicenot Namespace
- Family email protectionnot Namespace
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Namespace
- Developer plan is pay-as-you-go only; minimum usage unclear
- Team plan $100/mo is competitive but usage limits may be tight
- Devbox pricing separate at $0.004/minute could add up quickly
- Enterprise plan requires custom sales conversation
Proton Mail
- Paid plan pricing not displayed on vendor site
- Free tier limited to 1 GB storage
- Free tier limited to single email address
Pricing, plan by plan
Namespace
Free- DeveloperFree
- Pay-as-you-go
- On-demand compute
- Docker builds
- Team$100/month
- 100,000 unit minutes
- 1,000 Docker builds
- Everything in Developer
- Business$250/month
- 250,000 unit minutes
- 2,500 Docker builds
- Everything in Team
- Enterprise$undefined/custom
- Custom compute/Docker build limits
- Audit log export
- Enterprise SSO
Proton Mail
FreeNo published plan breakdown. See the Proton Mail review.
Which should you pick?
Choose Namespace if
- You need devboxes.
- You want to start without paying.
- You work on Cloud, Mac, Windows, Linux.
- You also want github actions runners.
Questions people ask
- Is Namespace or Proton Mail better?
- Neither clearly leads. Namespace starts at Free and Proton Mail at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Namespace or Proton Mail?
- Namespace starts at Free and Proton Mail at Free.
- Does Namespace or Proton Mail run on more platforms?
- Namespace runs on Cloud, Mac, Windows, Linux. Proton Mail runs on Web.
- Can I use Namespace for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Namespace best used for?
- Namespace is most often used for providing ai coding agents with cloud-based development environments, accelerating ci builds with faster github actions runners, distributing builds across teams with managed infrastructure, scaling development velocity for monorepo organizations. Of those, providing ai coding agents with cloud-based development environments and accelerating ci builds with faster github actions runners are not what Proton Mail is typically brought in for.
- What can Namespace do that Proton Mail cannot?
- Namespace covers Devboxes, GitHub Actions runners, Docker builds, Cross-invocation caching.
Answered from the vendors’ own pages
Namespace: How is compute usage metered on the Developer plan?
Developer plan uses pay-as-you-go billing. Devboxes bill at $0.004 per minute. Storage and caching services have separate usage-based fees. A 30-day free trial is available to test usage patterns.
SourceProton 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.
SourceNamespace: What is the difference between Team and Business plans?
Team ($100/mo) includes 100,000 unit minutes and 1,000 Docker builds with email support. Business ($250/mo) includes 250,000 unit minutes, 2,500 Docker builds, and high concurrency with a dedicated Slack channel.
SourceProton 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.
SourceNamespace: Can Namespace support AI coding agents?
Yes, Namespace Devboxes are specifically designed as feature-rich development environments for AI coding agents, with full tooling and performance optimization.
SourceProton 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.
SourceProton Mail: Does Proton Mail offer a money-back guarantee?
Yes, Proton Mail provides a 30-day money-back guarantee for paid plans.
SourceRelated pages
More on Proton Mail
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- Proton Mail vs CodeSandbox
- Proton Mail vs WarpBuild
- Proton Mail vs Depot
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- Proton Mail vs Earthly
- Proton Mail vs Daytona
- Proton Mail vs Ansible
- Proton Mail vs Garden
- Proton Mail vs ConfigCat
- Proton Mail vs Nix
- Proton Mail vs OpsLevel
- Proton Mail vs StackBlitz
- Proton Mail vs Steampipe
- Proton Mail vs Tilt
- Proton Mail vs Webpack
- Proton Mail vs Avo
- Proton Mail vs Tuta
- Proton Mail vs OneTrust
- Proton Mail vs Brave Browser
- Proton Mail vs Mullvad VPN
- Proton Mail vs Avast One
- Proton Mail vs IVPN
- Proton Mail vs BeyondTrust
- Proton Mail vs Proofpoint
- Proton Mail vs Surfshark
- Proton Mail vs 1Password
- Proton Mail vs Norton 360
- Proton Mail vs LastPass
- Proton Mail vs Acunetix
- Proton Mail vs Aikido
- Proton Mail vs Arnica
- Proton Mail vs Authelia
- Proton Mail vs Authy
- Proton Mail vs Baffle