Cassian vs Guardian Store Audit
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for Cassian, Oct 13, 2026 for Guardian Store Audit.
The short answer
- Only Cassian lists a free plan. Paid plans start at $49/month for Cassian and $19/month for Guardian Store Audit.
- Cassian lists 2 features Guardian Store Audit’s listing doesn’t mention, including Custom dashboards, Custom reports.
Head to head
Inspector
- · 1 site, 10 pages monitored
- · AI discoverability checks
- · Core Web Vitals monitoring
- · Critical pricing change alerts
- · Health score with prioritised findings
- · Sitemap and page speed monitoring
Analyst
- · 2 scans per week
- · 500 pages per scan
- · AI product feeds (5K products)
- · Cassian Shield security scans
- · Full content quality analysis
- · Order drop + pricing alerts
Protector
- · 2,000 pages per scan
- · AI product feeds (25K products)
- · Cassian Shield security scans
- · Daily link + sitemap monitoring
- · Daily scans
- · Full Order + Pricing Pulse
Guardian
- · 5,000 pages per scan
- · 90-day screenshot history
- · AI product feeds (100K products)
- · Cassian Shield security scans
- · Daily pricing monitoring
- · Daily scans + uptime (5 min)
Essential
- · Analyse jusqu'à 50 produits
- · Audit complet de votre boutique
- · Contrôles Google Merchant & Search
- · Historique de vos audits
- · Rapport détaillé des corrections
Growth
- · Analyse jusqu'à 500 produits
- · Audit complet de votre boutique
- · Contrôles Google Merchant & Search
- · Historique de vos audits
- · Rapport détaillé des corrections
Pro
- · Analyse jusqu'à 5000 produits
- · Audit complet de votre boutique
- · Contrôles Google Merchant & Search
- · Historique de vos audits
- · Rapport détaillé des corrections
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCassian connects to your store and watches it continuously, so you hear about problems before your customers do. It monitors your order flow and tells you when orders slow, which is often the first sign that a shipping rules has broken. It tracks every product price and flags zero-dollar, inverted and bulk changes.
Guardian Store Audit analyse votre boutique Shopify et centralise les points à vérifier dans un tableau de bord clair. Consultez un score global, examinez les résultats par produit et identifiez les éléments à corriger pour Google Merchant, Google Search, la visibilité IA et la qualité de votre boutique. Suivez l’évolution de vos audits dans l’historique et utilisez le rapport détaillé pour prioriser vos actions.
- One health score that tells you what to fix and what's fine across your store
- Continuous uptime, page speed, and broken link monitoring with weekly digests
- Content and translation quality checks so every page reads well everywhere
- AI product feeds that make your catalog visible to AI shopping assistants
- Analysez votre boutique avec un score global et des contrôles détaillés
- Identifiez les points à vérifier pour Google Merchant et Google Search
- Consultez les résultats par produit et suivez l’évolution de vos audits
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Cassian |  Guardian Store Audit |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Cassian | Guardian Store Audit |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 1 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Cassian | Guardian Store Audit |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $49/month | $19/month(ahead) |
| Longest free trial | 14 days | 3 days |
| Plans listed | 4 | 3 |
Listing
| Measure | Cassian | Guardian Store Audit |
|---|---|---|
| Shopify category rank | #825 | #421(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 6, 2026 | Aug 28, 2026 |
| Languages | 1 | 1 |
| Developer | Cassian | Guardian Store Audit |
FAQ
Cassian and Guardian Store Audit: common questions
- Is Cassian or Guardian Store Audit cheaper?
- Only Cassian lists a free plan. Paid plans start at $49/month for Cassian and $19/month for Guardian Store Audit. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Cassian lists 2 the others don’t mention, such as Custom dashboards, Custom reports. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 14, 2026 for Cassian, Oct 13, 2026 for Guardian Store Audit; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 14, 2026 for Cassian, Oct 13, 2026 for Guardian Store Audit. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.