A little curiosity.
A lot of possibilities.
Public apps, internal projects, and work in progress.
Open an app for its summary, support information, and privacy note.
See the public apps on the App StoreFinance, data & learning14
Bar Chart Race
Turn changing data into animated bar-chart stories.
Calc Forex: Currency Converter
Convert currencies and work with current public exchange-rate information.
Distributions
Explore statistical distributions with interactive calculations and visual explanations.
Epicycle Gallery
Watch rotating circles reconstruct curves in a hands-on Fourier series studio.
Fin Calc
A practical financial calculator for everyday calculations and planning.
Learn Graphs
Learn about mathematical functions and graphs through interactive examples.
Longevity SA
Explore South African life expectancy using official mortality tables, interactive charts, and practical retirement insights.
Noisy Alpha
A statistics and data exploration app for working with noisy numbers and distributions.
Option Greeks
Explore option pricing and the Greeks with a practical analytical tool.
SA Tax
South African tax tools for exploring salary, tax, and related calculations.
UK Mortality
Explore UK life expectancy with period and cohort tables, interactive charts, and on-device insights.
UK Tax
A UK tax calculator for exploring personal tax figures and take-home pay.
US Mortality
A US mortality data exploration project currently shown as work in progress.
US Tax
A US tax calculation and learning tool.
Games & play11
Card Game Scoring
A flexible scorekeeping companion for card games.
Cricket Darts Chalkboard
A simple scoreboard and chalkboard companion for cricket darts.
Dominoes Score Card
Keep track of scores while playing dominoes.
Far From Home
A travel-distance app for keeping track of how far you are from home.
Maze Creator
Create and explore maze puzzles on Apple devices.
Millwise
A modern take on Nine Men's Morris, with a polished board, AI opponents, and a built-in tutor.
My Canasta
A Canasta card-game project currently shown as work in progress.
Pong Pin
A compact arcade-style game from Joao Frasco.
Sweeping Mines
A mine-sweeping puzzle game.
Tally Up: Hide & Guess
Hide your tokens. Read the table. Call the total.
Walk Bingo Game
A walking and observation game designed to make a walk more playful.
Tools & utilities14
CFOP Learning
Learn, practise, and time CFOP speedcubing solves.
Divide Bill – Split & Scan
Split a bill or check between people, with tip and rounding options.
Glyph Atlas
Browse, search, and explore Apple system symbols in a focused offline reference.
HIIT Counter
A visual and audible interval timer for high-intensity training.
HIIT Counter
A visual and audible interval timer for high-intensity training on Apple TV.
HR Zones
Understand and work with heart-rate training zones.
Make Icons
Create and prepare app icon artwork on Mac.
ML Camera
Explore real-time camera classification using on-device machine learning.
ML Foto Fun
A playful photo app using machine-learning effects and classification.
One Second Later
One tap. Two photos a second apart. Compare side by side, morph the moment, and save your pairs.
Photo Classifier
Classify images with an on-device machine-learning experiment.
Speedometers
A collection of speedometer-style displays and measurement tools.
Talk Tonic
Conversation starters and prompts for more engaging conversations.
When Last?
A simple way to keep track of when something last happened.
Internal apps3
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