# Quaderno vs Zamp (slim) > Quaderno scores 59.5 (C) on agent readiness against Zamp's 49.5 (D), and leads in 4 of 7 scored categories. Zamp leads on agent ergonomics and maintenance & community. Both do tax calculate. Category scores, facts, verdicts and agent notes side by side. - Full: https://www.anchorterminal.com/compare/quaderno-vs-zamp.md (~2,200 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/quaderno-vs-zamp.json · canonical https://www.anchorterminal.com/compare/quaderno-vs-zamp - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08 Quaderno scores 59.5 (C) on agent readiness against Zamp's 49.5 (D), and leads in 4 of 7 scored categories. Zamp leads on agent ergonomics and maintenance & community. Both do tax calculate. - Quaderno: C 59.5, rank #427 of 722 · https://www.anchorterminal.com/tools/quaderno.min.md - Zamp: D 49.5, rank #609 of 722 · https://www.anchorterminal.com/tools/zamp.min.md - Quaderno, good for An agent working for a SaaS, digital-goods or e-commerce seller that needs a tax rate at checkout, a record of each sale with location evidence, and compliant invoices, including Spanish Verifactu and TicketBAI. Ahead on Reliability, 91 against 72; Schema & documentation, 77 against 44; Payments & pricing, 30 against 20; Transparency & trust, 76 against 50. - Zamp, good for An agent working for a US or Canadian seller that wants Zamp's team to register, file and remit, and needs calculation and transaction sync through a small API. Ahead on Agent ergonomics, 64 against 56; Maintenance & community, 42 against 28. Also Free to start without a card. | Category | Quaderno | Zamp | | --- | --- | --- | | Reliability (16%) | 91 | 72 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 77 | 44 | | Agent ergonomics (13%) | 56 | 64 | | Security & auth (14%) | 39 | 40 | | Payments & pricing (10%) | 30 | 20 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 28 | 42 | | Transparency & trust (7%) | 76 | 50 | | Fact (where they differ) | Quaderno | Zamp | | --- | --- | --- | | Vendor | Recrea Systems, SL | Zamp Inc. | | Hosted endpoint | `https://quadernoapp.com/api` | `https://api.zamp.com` | | Auth | OAuth or key | API key | | Licence | Proprietary service under Quaderno's terms of service. The Ruby library on GitHub is MIT | Proprietary service under Zamp's Standard Terms and Conditions, which form part of a signed Order Form. The sandbox has its own Developer trial terms | | Last release | 2026-07-04 | 2026-08-31 | | Terms last updated | 2026-09-15 | no date given | | Privacy policy last updated | 2024-05-16 | 2025-02-11 | | Terms or service can change without notice | yes | not found in the text | | Popularity | 15 stars | none |