At AJGB we design lightweight, privacy‑friendly apps that stretch your logic, nurture creativity and help you finish what you start. Explore our flagship collection:
Turn your phone into a professional soil–colour analyser based on the Munsell colour system. Capture a soil sample, calibrate with a ColorChecker, pick the exact region you want to study and receive an accurate Munsell notation plus soil description.
All data stay on your device. See our Privacy Policy.
Perfect for soil scientists, agronomists, environmentalists, archaeologists and more.
Solve, create and share nonograms in one place. Stuck? Let the solver crack it. Feeling inventive? Draw your own pattern and we’ll generate the clues. Save, reload and share puzzles with the worldwide community of nonogram lovers.
Infinite mazes, endless fun. Generate a brand‑new labyrinth with a tap, test your sense of direction, race the clock or simply enjoy wandering. No two mazes are ever alike.
A portable BASIC interpreter for learners and veterans alike. Write code, run it instantly and keep honing your skills wherever you are.
From gentle warm‑ups to devilish brain‑twisters, generate unlimited Sudokus, track your best times and play in your preferred language.
Stay laser‑focused on what matters right now.
Find your flow, one task at a time.
Whichever route you take—puzzle solving, maze exploring, coding or productivity—AJGB has an app crafted for you. Dive in and enjoy!