Sentry vs XAML.io
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Sentry starts at See pricing page and XAML.io starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Error monitoring
- Tracing and profiling
- Session replay
- Seer AI debugging agent
- AI code review
- Sentry MCP server
- AI app generation
- C# and XAML code editor
- Drag-and-drop visual designer
- Web and desktop publishing
- Visual Studio project export
| Feature | Sentry | XAML.io |
|---|---|---|
| Best for | Error and performance monitoring with an AI debugging agent | Build .NET apps in the browser with AI, C#/XAML code or a visual designer |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Functional Software (Sentry) | Userware |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Sentry starts at See pricing page and XAML.io starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Developer
Free
- Limited to one user
- Error monitoring and tracing
- 10 custom dashboards
- MCP access
Team
$26/mo billed yearly
- Unlimited users
- Third-party integrations
- 20 custom dashboards
- Seer available as add-on
Business
$80/mo billed yearly
- Unlimited custom dashboards
- Advanced quota management
- SAML and SCIM support
Enterprise
Contact sales
- Technical account manager
- Dedicated support
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Sentry
- Free plan for solo developers
- AI debugging works from real error data
- Wide SDK coverage
- Integrates with GitHub and Slack
- Seer needs a separate subscription
- Free plan is limited to one user
- Costs rise with event volume
XAML.io
- Runs entirely in the browser
- Standard projects open in Visual Studio
- Mix AI, code and visual editing
- Limited to the .NET and XAML stack
- Homepage gives few details on limits
- Paid plan details unclear
Which one should you choose?
Choose Sentry if you want:
- Free plan for solo developers
- AI debugging works from real error data
- Wide SDK coverage
Watch out: seer needs a separate subscription.
Choose XAML.io if you want:
- Runs entirely in the browser
- Standard projects open in Visual Studio
- Mix AI, code and visual editing
Watch out: limited to the .net and xaml stack.
Sentry vs XAML.io FAQ
What is the difference between Sentry and XAML.io?
Sentry: Error and performance monitoring with an AI debugging agent. XAML.io: Build .NET apps in the browser with AI, C#/XAML code or a visual designer. Both are coding tools.
Is Sentry or XAML.io cheaper?
Sentry starts at See pricing page and XAML.io starts at See pricing page. Check both pricing pages for current plans.
Do Sentry and XAML.io have free plans?
Sentry: Yes. XAML.io: Yes.
Who makes Sentry?
Sentry is made by Functional Software (Sentry), based in United States.
Who makes XAML.io?
XAML.io is made by Userware.
Which should I choose, Sentry or XAML.io?
Choose Sentry if you value free plan for solo developers and ai debugging works from real error data. Choose XAML.io if you value runs entirely in the browser and standard projects open in visual studio.