Overview
When comparing the UK VAT Calculator and Basedash Audit Logs, it's important to recognize that these are fundamentally different products serving distinct purposes. The UK VAT Calculator is a free, client-side web tool designed for UK freelancers, small business owners, and accountants who need to calculate VAT, track the £90,000 registration threshold, and compare flat rate versus standard VAT schemes. Basedash Audit Logs, on the other hand, is an enterprise-grade audit logging feature built into the Basedash business intelligence platform, aimed at security, IT, and compliance teams who need a complete record of all activity—including AI queries—within their BI environment.
This comparison will break down their features, pricing, pros and cons, and ultimately help you decide which tool fits your needs.
Feature Comparison
| Feature | UK VAT Calculator | Basedash Audit Logs |
|---|---|---|
| Primary Purpose | Free client-side tool to calculate UK VAT, track the £90,000 registration threshold, and compare flat rate vs standard VAT schemes. | Native audit logging for Basedash BI platform, recording sign-ins, queries, configuration changes, and AI activity for security and compliance. |
| Target Audience | UK freelancers, small business owners, accountants, and anyone needing quick VAT calculations or threshold monitoring. | Security, IT, and compliance teams at enterprises using Basedash for business intelligence. |
| Core Functionality | Add/remove VAT at 20%, 5%, or 0%; rolling 12-month turnover tracker; flat rate scheme calculator with sector-specific percentages. | Chronological audit log of access events, query events, and configuration events; filter by actor, action, or time; export to SIEM; API access. |
| AI Integration | No AI features; purely deterministic calculations based on HMRC rates. | Logs every query the Basedash AI runs, including the question asked, SQL executed, and the user the AI acted for. |
| Data Privacy | Client-side only; no data sent to any server; no sign-up required. | Data stored within Basedash platform; audit logs can be streamed to external SIEM or pulled via API. |
| Compliance & Security | Not applicable; tool does not handle sensitive data or require authentication. | Complements SOC 2 Type II, SSO, SCIM, RBAC, and row-level security; designed for security reviews and enterprise rollouts. |
| Pricing Model | Completely free; no paid tiers or hidden costs. | Available only on Basedash Enterprise plan; requires custom quote and sales contact. |
| Platform | Web-based, runs entirely in the browser; no installation or account needed. | Integrated into Basedash BI platform; accessible via web UI, API, and SIEM integrations. |
| Retention & Export | No data retention; calculations are ephemeral and not stored. | Configurable log retention to match compliance policy; export on demand or stream to SIEM; API for programmatic access. |
| Updates | Updated for 2026/27 tax year; reflects current HMRC rates and £90,000 threshold. | Launched August 2026; part of Basedash's ongoing enterprise feature set. |
Pricing
UK VAT Calculator
The UK VAT Calculator is completely free—no sign-up, no account, no hidden fees. All features, including the VAT add/remove calculator, rolling 12-month threshold tracker, and flat rate scheme comparison, are available at no cost. It is supported by UK Creative Ventures and is positioned as a free forever tool.
Basedash Audit Logs
Basedash Audit Logs are available exclusively on the Basedash Enterprise plan. Pricing is custom and requires contacting the Basedash sales team. There is no free tier or standalone pricing for audit logs; they are part of the broader enterprise security and compliance offering that includes SSO, SCIM, RBAC, and row-level security.
Pros and Cons
UK VAT Calculator
Pros:
- Completely free with no sign-up or account required
- Client-side processing ensures full data privacy—no data leaves your browser
- Updated for 2026/27 tax year with current HMRC rates and £90,000 threshold
- Includes advanced features like rolling 12-month turnover tracker and flat rate scheme comparison
- Instant calculations for adding or removing VAT at 20%, 5%, or 0%
Cons:
- Limited to UK VAT calculations only; not a general accounting or invoicing tool
- No data storage or history—calculations are not saved between sessions
- Does not integrate with accounting software or HMRC directly
Basedash Audit Logs
Pros:
- Provides a complete, tamper-evident audit trail for all Basedash activity
- Logs AI queries with full attribution, addressing a key security concern for AI-native BI
- Integrates with existing security tooling via SIEM export and API
- Configurable retention policies to meet compliance requirements
- Complements enterprise controls like SSO, SCIM, and RBAC for a unified security posture
Cons:
- Only available on the expensive Basedash Enterprise plan; no standalone or lower-tier option
- Useful only if you already use Basedash as your BI platform
- Requires security team involvement to configure SIEM integration and retention policies
Verdict
The UK VAT Calculator and Basedash Audit Logs serve completely different needs and audiences. The UK VAT Calculator is an ideal free, privacy-first tool for UK freelancers and small businesses needing quick VAT calculations and threshold tracking. Basedash Audit Logs is a specialized enterprise feature for security and compliance teams using Basedash, providing critical audit trails for data access and AI activity. Choose the former for personal or small-business VAT needs; choose the latter if you require governed, auditable BI for your organization.

