The SaaS Portfolio Intelligence Platform
SaaS Sentinel vs Vigilia
SaaS Sentinel is a SaaS Portfolio Intelligence (SPI) platform from SystemAssure. This comparison is organised by the four SPI pillars: operational performance, security and compliance, cost and profitability, and capacity and growth.
Vigilia focuses on explaining visitor-facing errors, passing fixes to AI builders and checking whether fixes hold using real traffic.
Buyers would pick SaaS Sentinel, the SaaS Portfolio Intelligence (SPI) platform, instead to combine Lovable portfolio monitoring with security reviews, project profitability and capacity planning.
Across operational performance, Vigilia centres on incidents and repair workflows, while SaaS Sentinel also monitors Supabase resources and Lovable publishing. Across security and compliance, cost and profitability, and capacity and growth, SaaS Sentinel adds ongoing reviews; Vigilia describes launch security checks, but equivalent financial and capacity reviews are Not stated publicly.
Last reviewed 9 November 2026 · prepared from publicly available information
Choose SaaS Sentinel if
you run customer portfolios, your applications are built with Lovable, and you need security, cost and capacity oversight alongside monitoring
Choose Vigilia if
you need visitor error diagnosis, connections to AI builders and confirmation that fixes hold in real traffic
At a glance
| Capability | SaaS Sentinel | Vigilia |
|---|---|---|
| Overview | ||
| Core approach | Portfolio oversight across operational performance, security and compliance, cost and profitability, and capacity and growth. | Capture visitor errors, explain incidents, pass fixes to AI builders and verify recovery using real traffic. |
| Best fit | Agencies, managed service providers and developers; applications built with Lovable are a focus. | AI-built applications across builders; agencies and freelancers managing client apps. |
| Operational performance | ||
| Health checks | Website availability and response time every 15 minutes. | Uptime every five minutes free; every minute on paid plans, with additional page checks. |
| Supabase monitoring | Checks processor, memory, disk, connections and service status; reads error logs and tracks backups and database versions. | Reports errors from Supabase server functions after added code; available on Pro. |
| Lovable awareness | Recognises Lovable Cloud apps, records each publish, and prices monthly credit usage from uploaded Settings and Usage screenshots. | Supports Lovable installation prompts, builder-specific fix prompts and connected AI repair workflows. |
| Error logs | Combines Supabase error logs, groups recurring errors and masks email addresses. | Captures browser errors and preceding clicks; server errors on Pro; imported error logs on Team. |
| Alerts | Audited warning/critical alerts with acknowledgement comments; alert emails to each team member (opt out or critical only), plus optional SIGNL4 on-call alerting per organisation using its own SIGNL4 webhook, where alerts open and close in SIGNL4 automatically; AI retirement alerts clear after a successful re-scan verifies the issue is resolved. | Email on every plan; Slack, Discord and filtered webhooks on Pro; development errors recorded without alerts. |
| History timeline | Releases, alerts, log errors, fixes and AI model additions, lifecycle changes, removals and verified alert clearing. | Not stated publicly |
| Public status pages | Optional public status page per app with your logo, live state, response time, 24-hour/30-day/90-day uptime, a 90-day bar strip, automatic incidents (opened after two failed or slow checks, resolved after recovery) with manual updates, scheduled maintenance excluded from uptime, double opt-in email updates for visitors and a footer badge; built from existing 15-minute checks, so no code is added to the app. | Per-app pages with client names, 90-day uptime and badges; paid plans can hide the footer branding. |
| Security and compliance | ||
| Advisories and security | Flags outdated databases, hosting location, backup failures, ageing access keys and provider notices. | Free launch check identifies leaked keys and missing security settings; visitor data scrubbed before transmission. |
| Code vulnerabilities | Checks code libraries daily for known security flaws; closes fixed findings automatically; downloadable reports. | Not stated publicly |
| AI model inventory | Weekly linked-GitHub scans identify models, source files and direct-key or Lovable AI use; filter by application. | Not stated publicly |
| AI model lifecycle | Active, Deprecated or Retired; retirement countdowns, suggested replacements and alerts at 90/30/14/7 days and retirement. | Not stated publicly |
| Risk register | Accept risks with reasons and review dates; reopen after new findings, increased severity or overdue reviews. | Not stated publicly |
| Backups and publishing | Tracks last successful backup and publish; configurable age limits trigger alerts. | Not stated publicly |
| Branding and social previews | Daily checks for default titles, icons and sharing images, plus a 404 page check; single-page apps that send status 200 can be accepted as a risk with a review date. | Free launch check identifies broken previews. |
| Cost and profitability | ||
| Cost tracking | Per-app component costs with exchange rates; ingest forwarded emails or upload PDF invoices, extract supplier, dates, amounts and lines with AI, then review and confirm project cost allocations. | Not stated publicly |
| Cost per licence and margin | Tenant licence plans calculate cost per licence, break-even licences and profit margin per app and customer. | Not stated publicly |
| Capacity and growth | ||
| Weekly capacity review | Reviews seven days of readings, summarises capacity and recommends upgrades with costs and recent trends. | Not stated publicly |
| Multi-tenant and agency use | Organisation, customers and applications with strict data separation, roles and a shared portfolio view. | Team supports 20 apps and five seats, client invitations, member/admin roles and per-app alert routing. |
| Free tools | Free public checkers, no sign-up: Lovable security, link preview, CORS, DNSSEC and 404 page (with a picture of the page). | Free launch check for leaked keys, missing security settings and broken previews. |
| Pricing | ||
| Pricing shape | Public prices at saassentinel.co.uk/pricing: 14-day free trial, no card; Starter £18/month for 5 projects, banded extras £3.55–£2.50 each, projects 36–50 £3.10 each; 30 projects £103.75/month before tax; Stripe calculates tax at checkout. | Free one-app plan; displayed yearly-billed rates: Pro €21/month for five apps, Team €79/month for 20. |
| Other | ||
| Certificate, domain and DNS watch | Daily warnings before each app's SSL certificate (21 and 7 days) or domain registration (30 and 7 days) expires, plus a daily DNS record snapshot (A, AAAA, CNAME, MX, NS, TXT, CAA, DNSSEC) with a change history and alerts for unexpected changes; nameserver, mail and address changes are critical. | Not assessed in this comparison |
Where SaaS Sentinel is different
Supabase resource oversight
SaaS Sentinel: checks processor use, memory, disk space, database connections and service status every 15 minutes.
Vigilia: Reports Supabase server-function errors through added code on Pro
AI model governance
SaaS Sentinel: inventories code references weekly under security and compliance, tracks lifecycle states and issues retirement alerts that clear only after verified re-scans.
Vigilia: Not stated publicly
Invoice cost allocation
SaaS Sentinel: accepts forwarded supplier invoices and direct PDF uploads, uses AI to extract invoice details and line items, and records costs only after users confirm project allocations.
Vigilia: Not stated publicly
Customer profitability tracking
SaaS Sentinel: calculates cost per licence, break-even licences and margins per application and customer from tenant licence plans.
Vigilia: Not stated publicly
Weekly capacity planning
SaaS Sentinel: reviews seven days of project readings and provides summaries, upgrade recommendations with costs and recent trends.
Vigilia: Not stated publicly
Where Vigilia is stronger
Visitor repair workflow
Vigilia: captures browser errors and preceding visitor actions, supplies builder-specific fix prompts and verifies fixes against real traffic.
SaaS Sentinel: Groups Supabase error logs and records fixes in application history
Uptime check frequency
Vigilia: checks uptime every minute on paid plans and every five minutes on its free plan.
SaaS Sentinel: Checks availability and response time every 15 minutes
Alert delivery channels
Vigilia: offers email on every plan and Slack, Discord and filtered webhooks on Pro, with per-app routing.
SaaS Sentinel: Sends warning, critical and clearing emails, with individual opt-out and critical-only preferences
Common questions
- How do the free options and paid prices compare?
Vigilia offers one app free without a card, including 10 AI diagnoses monthly; its displayed yearly-billed prices are €21/month for Pro with five apps and €79/month for Team with 20 apps and five seats. SaaS Sentinel publishes prices at https://saassentinel.co.uk/pricing and offers a 14-day no-card trial, with Starter at £18/month for five projects, excluding tax. Extra projects are charged cumulatively in bands: £3.55 each for projects 6–15, £3.40 for 16–25, £3.25 for 26–35, £3.10 for 36–50, £3.00 for 51–105 and £2.50 thereafter.
- Which approach suits ongoing work for agency clients?
Vigilia: Vigilia provides per-client status pages, Monday health and incident reports, per-app alert routing and Team invitations for clients or developers.
SaaS Sentinel: SaaS Sentinel organises customers and applications with strict data separation and roles, combining portfolio monitoring with project costs, licence margins and weekly capacity reviews. It also provides optional public status pages and Monday reports covering alerts, revenue, costs and capacity.
- How do they handle AI-related operational risks?
Vigilia: Vigilia can report failed AI calls, such as rejected keys or exhausted credit, through its optional server integration on Pro.
SaaS Sentinel: SaaS Sentinel scans linked code repositories weekly for model references under security and compliance, rather than measuring production usage; these scans are bounded, not exhaustive. It tracks lifecycle states and retirement alerts, automatically clears those alerts only after a successful verifying re-scan, synchronises OpenAI retirement dates when supplied and uses administrator-maintained dates for other providers.
How we compared
Claims about Vigilia come from these public pages, read on 9 November 2026.
- Vigilia — your AI builds it, Vigilia keeps it running
- Vigilia docs — install, connect your AI, API and webhooks
- Vigilia for agencies — every client app, watched
Know the health, cost and margin of every app you run
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These pages are independent editorial comparisons prepared by SaaS Sentinel from publicly available information at the time of review. Product and company names are used only to identify the products compared and remain trademarks of their respective owners. SaaS Sentinel is not affiliated with, endorsed by or sponsored by the companies referenced here. Features, pricing and availability change, so please verify details with each vendor before buying.