Things I build on the side

Lift Recorder

On Google Play

Record your lifts on Android without pausing your music. Video-only, fully on-device, no account.

SzóKincs

On Google Play

Offline Hungarian word-search game. Digraph-aware grids, ten themed campaigns, a daily puzzle — no account, everything on-device.

Magyar kártya

On Google Play

Offline Hungarian card games: zsírozás, snapszer and makaó against bots at three difficulty levels — no account, everything on-device.

ÁFA kalkulátor

On Google Play

Hungarian VAT calculator: nettó ↔ bruttó at 27/18/5/0 % or a custom rate, VAT content, history, a rate guide and a home-screen widget for Pro — no account, everything on-device.

Sorsvető

On Google Play

The traditional 36-card fortune deck — cigánykártya, Wahrsagekarten: a card a day to turn, spreads for a question, meanings in Hungarian, German and English, a journal and a home-screen widget for Pro. For entertainment; no account, everything on-device.

Hatos

On Google Play

A dice roller for the table: one die or thirty, custom dice with your own words, emoji or photos, quick modes for coin, yes/no, who starts, draw lots and poker dice, shake-to-roll and a home-screen widget for Pro — no account, everything on-device.

Coin Flip

On Google Play

A coin toss that actually throws the coin: tap or shake and it spins, arcs, lands and settles on heads or tails. A tally and stats, up to ten coins at once, eight finishes, and for Pro your own photographs on both sides plus a home-screen widget — no account, everything on-device.

Röfi

On Google Play

A Hungarian personal-finance course in the Duolingo shape: short daily lessons from inflation to mortgages, an explanation after every answer, spaced review, a streak and badges; six units free, an optional Prémium subscription for no ads and no daily limits — no account, everything on-device.