Bilby / vs Observa
Bilby vs Observa: which should you use?
Pick Observa if what you want is a fast tripwire on revenue and conversion metrics, wired into Slack. A revenue alert tells you something is wrong after it has cost you. Bilby's nightly visit is the other direction: it finds the broken add-to-cart, the dead pixel or the 4-second product page before the day's sales show it, and names the fix. Bilby is made by Navaal — this page says so, and where Observa is the better fit we say that too.
// OBSERVA
A Shopify monitoring app from Theorem Team that tracks performance, conversions and revenue in real time and alerts by email or Slack when sales drop, carts are abandoned or the store slows down.
PRICE · From $9 per month (listing, 17 Sep 2026; 5.0 from 1 review at the time of checking)
Where it's strong
- Real-time alerting on business signals — sales dropping, carts abandoned — not just on server responses
- Email and Slack delivery
- Cheap entry point at $9 a month
What it doesn't do
- Alerts on the symptom (sales fell) rather than following the path to show the cause
- No real-browser purchase visit, no tracking verification per step, no change diff
- One review at the time of checking, so there is little public track record to weigh
FACTS VERIFIED AGAINST THE LIVE LISTING · 17 SEP 2026
// BILBY (OURS)
Visits the store nightly in a real browser — home, product, add-to-cart, cart, checkout, on desktop and mobile — and reports through seven things it checks: Watch, Money, Speed, Change, Rivals, Search, Answer.
PRICE · free scan · Bilby from $29/mo · Pro from $79 · Agency from $199 · 7 free nights
- Add-to-cart really clicked; the cart endpoint's answer is the evidence
- Tracking events verified per step (view, add-to-cart, begin-checkout)
- Revenue at risk in dollars, basis printed
- What changed since last night; a Monday brief written from the data
- The whole report free, once, before you pay anything
Questions people ask
Sales-drop alerts sound faster than a nightly visit. Are they?
For detecting that something is wrong, yes — a revenue tripwire fires within the hour. For telling you WHAT is wrong, no: a sales-drop alert is the same signal whether your checkout broke, your ads paused or it is simply Tuesday. Bilby answers the second question, which is the one that takes the time.
Can I run both?
Yes, and it is a reasonable pairing: Observa as the same-day tripwire, Bilby as the nightly investigation and the record of what changed.
Everything above about Observa was read from apps.shopify.com/observa on 17 Sep 2026. If it has changed since, the page is wrong and we would like to know.
Full comparison with sources: Best Shopify store monitoring tools in 2026 · Other comparisons: Uptime – Automated Store Tests · Revenue Shield · UptimeRobot · AppPulse App Uptime & Health · TestingBot – Store Monitoring · Visual Sentinel