Independent app studio

Small studio.
Carefully made apps.

mach200 is a one-person studio making premium mobile apps — polished, respectful of your time, and built to last.

See what I'm building
Apps Three
01 Live · iOS & Android
dotball app icon — a grid of dots with a blue ball in the center
Paper Soccer, reimagined for your pocket.

The classic pen-and-paper game, rebuilt as a premium mobile experience. Outsmart three levels of AI, pass the phone to a friend, or play online with a simple invite code.

Strategy Free Offline & online 2–5 min games
02 Live · iOS
Regula app icon — a black letter R on a blue field
Regula
Grammar practice, five focused minutes a day.

Short daily quizzes that build English and Spanish grammar without the grind. Choose your level and the topics you care about, answer a handful of questions, and see exactly why each answer works.

Learning English & Spanish 5 min a day iPhone & iPad
03 In development · iOS & Android
Numino app icon — a white number block with a 4 on a pink field
A calm number puzzle. No timer, no stress.

Fill the grid so every number is the size of its block, and watch the numbers join into bright, bouncy blocks. Friendly rules that never let you get stuck, a short tutorial, and hundreds of hand-picked levels from tiny to tough.

Puzzle Free No timer iPhone & Android
Contact

Feedback, ideas, or just want to talk apps?

One person reads every message, and that person is me. Expect a reply.

mach200studio@gmail.com