StemJSON projects
Ready-to-ship features for your iOS and Android app.
Each one is a complete StemJSON module, built with AI and rendered natively. Try it in StemStudio AI, the first mobile IDE for StemJSON, then deliver it to your app.
Try StemStudio AI
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Place shapes on a board to clear rows and columns and score points.
GamesPhone -
Find animal words in letter grids by tapping first and last letters.
GPT-5.54 min 14 s89 KB
GamesPhone -
A Sudoku puzzle game with 4x4, 6x6, and 9x9 grids.
GPT-5.56 min 38 s141 KB
GamesPhone -
Tracks mileage trips and calculates totals for different purposes.
GPT-5.55 min 50 s104 KB
FinancePhone -
A welcome tour (onboarding) component for mobile applications
GPT-5.53 min48 KB
Developer ToolsPhone -
A color palette editor for changing, saving, and reusing base colors.
gpt 6 astra6 min 12 s63 KB
UtilitiesPhone -
Shows sunrise, sunset, daylight, and moon phase for your location.
GPT-5.54 min 19 s34 KB
News & InformationWidget -
Доступ до актуальних курсів валют НБУ на вибрану дату
gpt 5.6 sol1 min 14 s42 KB
Finance -
Довідник патернів дизайну з пошуком за назвою або задачею
GPT-5.41 min 33 s127 KB
News & InformationPhone -
Calculates invoice amounts with VAT per line item and totals.
gpt 5.6 sol1 min 13 s74 KB
FinancePhone -
A schematic map of Madrid Metro lines with service windows and typical intervals.
GPT-5.41 min 7 s44 KB
TravelPhone -
Calculates estimated fuel cost for a trip from city route and vehicle settings.
gpt 5.6 sol2 min 34 s102 KB
UtilitiesPhone -
A small arcade of five quick games for one phone.
GPT-5.43 min 12 s192 KB
GamesPhone -
Compares annual HICP inflation and price indices by country and category.
gpt 5.6 sol1 min 27 s81 KB
News & InformationPhone -
A Hacker News reader with categories, bookmarks, and article viewing.
gpt 5.6 sol1 min 25 s81 KB
News & InformationPhone -
Generates a password from selected length and character types.
Claude Opus 4.86 min 42 s35 KB
UtilitiesPhone -
Головоломка, у якій треба зробити все поле зеленим за мінімум ходів.
gpt 5.6 sol4 min 32 s52 KB
GamesPhone -
A binary logic puzzle with balanced lines and unique rows and columns.
GPT-5.48 min 6 s81 KB
GamesPhone -
A classic Tetris game with score, level, and line tracking.
gpt 6 astra8 min 43 s69 KB
GamesPhone -
A handbook for browsing whiskey styles and their short descriptions.
GPT-5.458 s66 KB
News & InformationPhone -
Convierte volúmenes, pesos y temperaturas de cocina.
GPT-5.42 min 5 s85 KB
UtilitiesPhone -
Weather forecast for New York
GPT-5.452 s31 KB
UtilitiesWidget -
A 5×5 Sumplete puzzle game with a new puzzle button.
Games -
Shows a weekly weather forecast for a city.
News & Information