Website tools / Compare
Calibre App vs PageVitals
Both do 1 of the same website tools task. Below is what each says about its own limits and pricing, and how each ranks on signals we can measure or quote.
Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.
A
Calibre App
Calibre combines real user monitoring, Google CrUX data, and synthetic page speed tests so your team always knows where performance stands and what to fix.
Signals score: 4.2 / 5 · not a hands-on test
Visit calibreapp.comB
PageVitals
Super easy website performance monitoring for teams that want to have a faster, better ranking website. Try free today, no credit card needed.
Signals score: 4.1 / 5 · not a hands-on test
Visit pagevitals.comPricing, limits and privacy
- Free tier
- A: No permanent free plan is listed. The pricing page offers a 15-day free trial; trial limits are not stated.
- B: No free tier stated. A 14-day free trial with full features and no credit card is offered, including 300 free tests (about daily tests for roughly 10 pages on desktop and mobile). After the trial the account is deactivated unless upgraded.
- Paid plan
- A: Starter $75/month (5,000 Real User sessions, 5,000 Synthetic tests/month, 3 seats). Team $150/month (10,000 sessions, 15,000 tests/month, 10 seats). Company $1,500/month paid yearly (1,000,000 sessions, 50,000 tests/month, 50 seats). A monthly/annual toggle is shown; extra usage and seats cost more.
- B: Per month billed annually (a monthly option exists, price not read): Starter $12 (2 websites, 1,000 tests per month), Growth $39 (up to 10 websites, 5,000 tests), Pro $79 (up to 25 websites, 10,000 tests). Add-ons: extra 5,000 synthetic tests $50 per month, extra 100,000 field tests $10 per month.
- Signup
- A: Trial and plans link to a sign-up page; whether an account is required is not explicitly stated.
- B: Not stated for an account, but the trial and plans are described as account-based.
- Watermark
- A: Not applicable.
- B: Not applicable.
- Where files go
- A: Servers and primary database are in the United States. Real user monitoring data is first processed at edge locations near the visitor, then sent to the US database. Retention: account info for the account's life plus 90 days; billing records 7 years; synthetic monitoring data for the subscription's duration; real user data 3-24 months as configured by the customer.
- B: The privacy page says IP address and User-Agent of end users are discarded at the edge for field testing. Support, email, billing and session-replay vendors are listed. No retention periods are stated. Paid plans keep test data 6, 12 or 24 months.
From each tool's own pages, checked 2026-11-01. Prices and limits change; check the tool before you rely on them. Sources are listed on each tool's page.
Compare on a task
Neither tool has been hands-on tested on these tasks yet, and we do not guess. Open a task to see both ranked with every other tool.
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