Calibre vs Uptime.com: Which Should You Choose in 2026?
Choosing between Calibre and Uptime.com comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Calibre
Web performance monitoring and optimization
Best for you if:
- • You want the higher-rated option (8.2/10 vs 0.0/10)
- • You need testing & qa features specifically
- • Calibre is a web performance monitoring platform for continuous speed testing
- • It tracks Core Web Vitals, runs synthetic tests, and provides performance budgets
Uptime.com
Ensure your website and services are always available and performing optimally.
Best for you if:
- • You need monitoring features specifically
- • Monitors website and service availability and performance.
- • Provides comprehensive visibility for engineering, operations, and SRE teams.
| At a Glance |  Calibre |  Uptime.com |
|---|---|---|
Price | Paid | Paid |
Best For | Testing & QA | Monitoring |
Rating | 82/100 | —/100 |
| Feature | Calibre | Uptime.com |
|---|---|---|
| Pricing Model | Paid | Paid |
| Editorial Score | 82 | — |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Testing & QABrowser DevTools | Monitoring |
How Calibre and Uptime.com Compare
Calibre
Web performance monitoring and optimization
Paid · 82/100 score
Uptime.com
Ensure your website and services are always available and performing optimally.
Paid
Calibre is a testing & qa tool. Uptime.com is in monitoring.
Who Should Use What?
On a budget?
Both are paid. Compare plans on their websites.
Go with: Calibre
Want the highest-rated option?
Calibre scores 82/100. Uptime.com is unrated.
Go with: Calibre
Value user reviews?
Neither has user reviews yet.
Go with: Calibre
3 Questions to Help You Decide
What's your budget?
Both are paid. Pricing won't help you decide here.
What's your use case?
Calibre is a testing & qa tool. Uptime.com is in monitoring. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Calibre
- Higher score: 82/100 vs unrated
- Our pick for this comparison
Uptime.com
- Better fit for monitoring
The Bottom Line
Calibre (82/100) is our pick.
Frequently Asked Questions
Is Calibre or Uptime.com better?
Calibre scores 82/100 in our evaluation. Both are paid.
What are Calibre and Uptime.com used for?
Calibre: Web performance monitoring and optimization. Uptime.com: Ensure your website and services are always available and performing optimally..
What does Calibre cost vs Uptime.com?
Calibre is a paid tool. Uptime.com is a paid tool. Visit their websites for detailed pricing.