AiAtHand

AiAtHand s.r.o. is a Czech company that builds three consumer software products. Athena provides flashcards and a mock oral exam for Czech state final exams, currently covering two programmes at ČVUT. Aether applies AI to selected text in any Mac app through a hotkey. Plutus is a free browser calculator that returns NPV, IRR, payback and a 30-year cashflow for a residential building.

Athena is offered free to try, with full access priced at €19 for 6 months or €6.99 a month. Aether is sold as a €39 lifetime licence or at €2.90 a month and is in beta. Plutus is free. The website names Adam and Sarah Rojík as the people behind the company.

The company's products are published at athena.aiathand.com and plutus.aiathand.com, with Aether available for macOS 14 and up. Athena and Plutus are offered in Czech and English. The website does not state a founding year or list offices; the registry records Ostrov, Czech Republic as the seat.

Product: Three consumer apps: Athena (exam flashcards and mock oral exams), Aether (AI text actions on macOS), and Plutus (real-estate investment calculator).