Our apps and games

Small, focused Android apps from the team behind Reliable Calculator: offline, private, no account needed and translated into many languages.

Games

Turn a 3D shape, read the arrows and tap the cubes out in the right order.

Logic picture puzzles: fill the grid by the numbers and reveal hidden pixel art.

Finds the bridge days that turn a few leave days into long breaks. 16 countries.

Shift calendar for rotating schedules: hours, pay, public holidays and days off together.

Cable size, voltage drop, breakers, motors and solar: 22 offline electrical calculators.

Interview questions and model answers for Turkish public-sector and private job interviews, with mock interviews.