Katazom.hu
Automated tax compliance & invoicing assistant
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Running a sole proprietorship in Hungary comes with strict tax thresholds (strict invoicing rules, and severe 40% surcharges for threshold breaches). Connects directly to the Hungarian Tax Authority (NAV Online Számla 3.0 API) in real time to provide an automated safety net for entrepreneurs. • Real-time invoice synchronization directly from NAV. • Proactive limit alerts & pro-rata calculation for suspended months. • AI-assisted VAT anomaly detector and one-click corrective invoice formulas.
PH · launched Oct 26, 2026 · 1 upvote (top 67%) · 0 views
Niche: automated accounting and tax software · 146 launches, 12 in the last 7 days · Explore this niche →
Category and tags
- Fintech
- Compliance & governance
- B2B
- AI feature
- Commercial product
- Freelance
- SaaS
- Accounting
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More like this: all 146 launches in automated accounting and tax software →
Could you build this?
Partial The invoicing and reminder UI is buildable, but a compliant product needs Hungarian tax rules and certified NAV Online Számla 3.0 XML submission, which requires domain expertise and careful testing.
What it would actually take: Build a web app backed by a server that generates NAV-compliant invoice XML, signs requests, and calls the NAV Online Számla 3.0 API, with tracking for turnover thresholds. The hard parts are accurate interpretation of Hungarian VAT and small-business tax rules and exact XML schema compliance. An accountant or tax specialist should validate the logic, and the team needs to handle NAV certification and data-retention requirements.
Competitors
Other products that read as similar to this one : 329 launches clear the similarity bar, closest 8 shown.
Attention rank: #166 of 330 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 327 days after the earliest competitor.
- BuchhaltGenie · ph · 2026-09-17 · 2 upvotes · similarity 0.51
- Sablora · ph · 2026-10-13 · 8 upvotes · similarity 0.48
- Flick Network · ph · 2026-11-05 · 1 upvotes · similarity 0.48
- Movi Invoice · ph · 2026-10-27 · 1 upvotes · similarity 0.47
- Somu Keiri Navi · ph · 2026-11-04 · 2 upvotes · similarity 0.47
- TaxEase UK Invoice Maker · ph · 2026-10-06 · 2 upvotes · similarity 0.45
- ProfitPilot · ph · 2026-09-15 · 2 upvotes · similarity 0.45
- InvoiceRocket · ph · 2026-09-25 · 2 upvotes · similarity 0.43
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