kitio.aiSentry vs Inspector
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Sentry starts at See pricing page and Inspector 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
- Request and job monitoring
- MCP server for coding agents
- AI bug fix suggestions
- Slow query detection
- Framework integrations
- Unlimited hosts
| Feature | Sentry | Inspector |
|---|---|---|
| Best for | Error and performance monitoring with an AI debugging agent | PHP production monitoring that feeds errors to your coding agent |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Functional Software (Sentry) | Inspector |
| Based in | United States | Italy |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Sentry starts at See pricing page and Inspector 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
6 plans
Free
Free
- 30K transactions per month
- 3 days retention
- Up to 3 users
Beginner
€15/mo
- 300K transactions
- 7 days retention
- Unlimited users
Developer
€39/mo
- 800K transactions
- 14 days retention
Team
€69/mo
- 1.5M transactions
- 14 days retention
Scale
€99/mo
- 3M transactions
- 21 days retention
Enterprise
€169/mo
- 6M transactions
- 21 days retention
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
Inspector
- Free plan covers 30K transactions
- AI fixes included on all plans
- Not billed per host
- PHP only
- Prices are in euros
- Short data retention on lower plans
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 Inspector if you want:
- Free plan covers 30K transactions
- AI fixes included on all plans
- Not billed per host
Watch out: php only.
Sentry vs Inspector FAQ
What is the difference between Sentry and Inspector?
Sentry: Error and performance monitoring with an AI debugging agent. Inspector: PHP production monitoring that feeds errors to your coding agent. Both are coding tools.
Is Sentry or Inspector cheaper?
Sentry starts at See pricing page and Inspector starts at See pricing page. Check both pricing pages for current plans.
Do Sentry and Inspector have free plans?
Sentry: Yes. Inspector: Yes.
Who makes Sentry?
Sentry is made by Functional Software (Sentry), based in United States.
Who makes Inspector?
Inspector is made by Inspector, based in Italy.
Which should I choose, Sentry or Inspector?
Choose Sentry if you value free plan for solo developers and ai debugging works from real error data. Choose Inspector if you value free plan covers 30k transactions and ai fixes included on all plans.