Q 
Quaderno
Automatic sales tax, VAT calculation and invoicing for online sellers.
KINDA
why this verdict
Downgrade — pay for the workflow, not the AI
OpenAI's version covers the headline feature only, so the $49/mo is now paying for the workflow around it, not the AI.
- A named launch, not a vibe named, unlinked
- Merchant-of-record platforms absorbed tax handling entirely. OpenAI, January 1, 2025 — no announcement link recorded yet.
- How much of the job it covers headline only editorial call
- The headline feature, but not the workflow, data or integrations around it.
- Is there a free way to do it? paid only
- 2 replacements listed, all paid.
- What the call is worth $588/yr
- $49/mo at the entry paid tier — $588 a year per seat.
Reason composed from the fields above missing: announcement linked missing: free replacement listed recorded: two or more escape hatches
- Threatened by
- OpenAI
- Since
- January 1, 2025
- List price
- $49/mo
- Per year
- $588
The backstory
Quaderno solved digital sales tax for people selling through Stripe directly. The market then shifted: Lemon Squeezy, Paddle and Polar take on the tax liability outright, which is a stronger offer than calculating it correctly for you. It remains relevant to sellers who want to stay on raw Stripe.