DomainGuard
from US$12/month
Recommended: Growth · US$39/month
Recurring SPF, DMARC and explicitly supplied DKIM monitoring with transition-only alerts.
Best fit: MSPs, IT agencies and email operations teams managing business domains.
Solarc Labs keeps narrow utilities free and no-signup. Paid subscriptions are for repeated monitoring, saved state, alerts and higher operating volume — not for forcing a sales call before you can buy.
Self-serve subscriptions
These plans use live Stripe subscription checkout and renew monthly until cancelled. Start with the free proof path where available, then pay only when ongoing monitoring is useful.
from US$12/month
Recommended: Growth · US$39/month
Recurring SPF, DMARC and explicitly supplied DKIM monitoring with transition-only alerts.
Best fit: MSPs, IT agencies and email operations teams managing business domains.
from US$19/month
Recommended: Pro · US$49/month
Recurring accessibility regression monitoring with baseline-backed automated findings.
Best fit: Web teams and agencies shipping frequent changes across one or more sites.
from US$19/month
Recommended: Pro · US$49/month
Recurring real-browser monitoring for critical buy, book, sign-up and lead journeys.
Best fit: SaaS, ecommerce and agency teams responsible for revenue-producing customer journeys.
from US$99/month
Recommended: Agency · US$249/month
Recurring evidence-backed competitor monitoring for ecommerce and CRO agencies.
Best fit: Agencies that repeatedly monitor selected public competitor pages across client accounts.
Proof ladder
For shared fixed-scope offers, the commercial path stays visible instead of hiding the next price behind an enquiry.
No signup · synthetic or bounded free input
Fit / no-fit plus one blocker or next step
Up to 3 evidence-backed findings plus recommended actions
Up to 5 prioritised actions plus checklist handoff
Proof services use public or non-sensitive context only and do not grant production, subscription, certification or confidential-file-review entitlement.
1. Start free
No signup
Use one narrow tool and get the result before paying.
2. Make it recurring
Monthly
Subscribe for monitoring, history, alerts and greater operating volume.
3. Keep the boundary
Only when needed
Fixed-scope or assisted products stay separate when automation is not yet honest or safe.
Other current offers
These stay separate from subscriptions. Some are fixed-scope purchases; others still require a controlled fit or intake because anonymous self-service would be misleading.
Find deterministic submission blockers, duplicate-reporting risks and source-backed review issues before your 2025–2026 UK EPR packaging CSV reaches RPD.
Best fit: UK packaging/EPR compliance consultants, large producers, brands, importers and distributors preparing Report Packaging Data CSV submissions.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Replace emailed attachments with an expiring upload request, exact staff review and a clear acknowledgement trail.
Best fit: Small professional-services firms and agencies that repeatedly chase clients for a small set of documents.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Extract invoice facts, flag deterministic exceptions and require a reviewer to compare them with the exact source PDF before one explicit decision.
Best fit: Small finance teams and bookkeeping/accounting service firms receiving recurring PDF invoices.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Turn one authorised corporate-card or AP export into recurring-spend evidence and a human-reviewed action queue without bank access or automatic cancellation.
Best fit: Finance/operations teams, fractional CFOs and MSPs that need a bounded review of recurring SaaS spend.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Run a controlled product-security incident-readiness tabletop with explicit human triage, preparation clocks, evidence capture and an exportable incident pack.
Best fit: Small software, IoT and product manufacturers plus security consultancies that need a controlled product-security readiness workflow.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Inspect supported media with the official C2PA toolchain, preserve an explicit unknown state, and add human disclosure context without pretending to detect AI authorship.
Best fit: Creative/marketing agencies, publishers and e-commerce content operations that need a bounded provenance/disclosure evidence workflow.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Detect candidate PII in one text-layer document, require human review, and export irreversible clean text without claiming automated detection is complete.
Best fit: Recruitment agencies, accountants/bookkeepers and professional-service teams that need human-reviewed text redaction before downstream AI, research or review.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Turn one existing CycloneDX or SPDX JSON SBOM into a deterministic open-source licence review queue and buyer-ready evidence pack.
Best fit: Small SaaS vendors entering enterprise procurement, software agencies handing code to clients and due-diligence providers.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Start from the operational problem, run the smallest useful no-signup proof path, then move to the matching subscription or bounded workflow only when repetition, evidence, alerts or support make paying rational.
Best fit: Operators, agencies and small teams that know the problem they need to solve but do not want to learn a software catalogue before getting a useful result.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Turn a verified vendor deadline into a no-signup browser readiness check, then buy a bounded evidence preflight only when the free gate surfaces a real gap.
Best fit: Technical and operations teams facing dated API, TLS, connector, authentication or reporting changes with a real cutover or outage-risk decision.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Validate a representative UBL/CII/Factur-X corpus during go-live and production remediation; surface recurring source-system and mapping failures, record human review decisions, and deliver traceable evidence for remediation and re-test.
Best fit: French operating end-user finance, ERP and application teams with a current production, migration, structured-output, rejection or re-test problem.
Product-specific free demo and direct-purchase tier path
Turn one blocked B2B SaaS security questionnaire into a source-linked, human-approved draft and sanitised XLSX without inventing evidence.
Best fit: UK and European B2B SaaS teams with an enterprise deal blocked by one security questionnaire.
Product-specific evaluation, subscription, triage and Rescue path
Find one evidence-backed landing-page conversion blocker and turn it into one reviewable outcome-focused rewrite instead of a long generic audit.
Best fit: B2B SaaS founders, growth teams and product marketers with one public landing page and a clear signup, trial or demo goal.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Configure one browser-side spreadsheet cleaning, read-only query, chart or export workflow while keeping the current raw-row/model boundary explicit.
Best fit: Operations, finance and analyst teams with one repeatable CSV/XLS/XLSX/ODS workflow that benefits from a local-first data path.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Put explicit intent validation, reviewable evidence and a human approval boundary around one operational automation workflow before external effects are allowed.
Best fit: Technical teams introducing AI-assisted or agent-driven operations where one workflow needs a clear allow, deny, evidence and approval path.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Set up one server-authoritative appointment and deposit workflow with controlled Stripe test-mode acceptance before any live-money launch.
Best fit: Appointment-led service businesses that need one initial online booking/deposit workflow with explicit double-booking and webhook state controls.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Evaluate one important workbook through deterministic findings, explicit review decisions and a reproducible verification record without claiming that a no-findings result proves correctness.
Best fit: Finance, risk, operations and assurance teams that want reproducible spreadsheet findings and a defensible review record.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Configure one explicit baseline-vs-alternative decision model as an interactive browser experience without presenting projections as guaranteed forecasts.
Best fit: Educators, coaches, planners, content businesses and internal teams that need one transparent assumption-driven scenario calculator.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Deploy one branded commission/no-show scenario calculator with explicit assumptions and a buyer-safe estimate boundary.
Best fit: UK appointment-led service businesses, agencies and consultants that need a lead-generation diagnostic around booking economics.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Turn one controlled release input into a reviewable customer communication while keeping source evidence, claim permission and human approval visible.
Best fit: Software teams that repeatedly translate engineering changes into release notes or customer communications and need a stricter evidence boundary.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Deploy a branded browser checker for basic UK digital passport-photo file requirements without uploading, editing, certifying or guaranteeing acceptance of the passport photo.
Best fit: Photo studios, travel/document services and support teams that want a pre-submission education/checker page with an explicit HM Passport Office boundary.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Configure one non-medical companion or productivity workflow on the current web surface with the actual model/runtime/privacy boundary documented for the target environment.
Best fit: Product teams exploring a browser-based local-first companion experience without medical, therapy, device-certification or app-store claims.
Before Core: free demo · US$5 · US$50 · US$99 proof services
Fastest paid path
Or start with a free tool if the problem has not repeated enough to justify monitoring yet.