AfterTax AU vs InternetData

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

AfterTax AU compared with InternetData
Detail	AfterTax AU	InternetData
What it does	Free Australian tax API and MCP server for AI agents	Trusted IP data and domain intelligence API and databases
Stage	Not given	Startup
Founded	Not given	2026
Based in	AU	PK
Pricing model	Open source	Freemium
Pricing	Not given	Free plan: unlimited lookups with no key needed, limited fields; try paid fields 100 times daily with free account. Starter: $39/month (or $32.50/month billed yearly) for 250,000 lookups monthly, then $0.18 per 1,000 lookups overage. Scale: $199/month (or $165.83/month billed yearly) for 2,000,000 l
Key features	Take-home pay calculator for Australian salaries and hourly rates PAYG withholding calculation using ATO Schedule 1 formulas Bonus and commission withholding calculation Annual tax estimate with offsets and Medicare levy Superannuation guarantee calculation at 12% ABN, ACN and TFN validation using check-digit algorithms MCP server integration for Claude, ChatGPT and Cursor JSON API accessible without sign-up or API key Open-source JavaScript npm library with no dependencies Tax rates and thresholds for 2025–26, 2026–27 and 2027–28	IP address geolocation lookup VPN, proxy and relay detection WHOIS and registry data DNS records and domain intelligence Service detection (SSH, SMTP, Web, DNS) AS and network classification Free and open databases MaxMind DB format files REST API with JSON responses Daily and weekly database updates
What makes it different	Uses ATO's own published formulas, not model memory Tested against all 432 ATO sample rows for each tax year No sign-up, API key or authentication required Open-source code available on GitHub Free for reasonable use with no storage of amounts entered	High accuracy with evidence-based data Comprehensive coverage of VPN and proxy providers Flexible licensing for redistribution and embedding
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	16 no change since last check
Trust Flow (Majestic)	0	15
Citation Flow (Majestic)	0	52
Referring domains (Majestic)	0	160

5 details filled in for both companies.

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