rypt.dev vs AfterTax AU

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

rypt.dev compared with AfterTax AU
Detail	rypt.dev	AfterTax AU
What it does	Encrypt a field in five minutes	Free Australian tax API and MCP server for AI agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	AU
Pricing model	Freemium	Open source
Pricing	Not given	Not given
Key features	Symmetric encryption Direct and envelope encryption modes Audit logging Key rotation API with bearer token authentication Hardware security module support	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
What makes it different	No key management infrastructure needed Complete audit trail of all operations Keys held securely by rypt, never reach your servers Simple one-call API for each operation	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	23	0
Referring domains (Majestic)	71	0

4 details filled in for both companies.

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