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
Fin Calc
A practical financial calculator for everyday calculations and planning.
UK Tax
A UK tax calculator for exploring personal tax figures and take-home pay.
Option Greeks
Explore option pricing and the Greeks with a practical analytical tool.
Calc Forex: Currency Converter
Convert currencies and work with current public exchange-rate information.
SA CISs
A South African collective investment scheme research project.
SA Tax
South African tax tools for exploring salary, tax, and related calculations.
US Tax
A US tax calculation and learning tool.
Noisy Alpha
A statistics and data exploration app for working with noisy numbers and distributions.
Epicycle Gallery
Watch rotating circles reconstruct curves in a hands-on Fourier series studio.
UK Mortality
Explore UK life expectancy with period and cohort tables, interactive charts, and on-device insights.
Distributions
Explore statistical distributions with interactive calculations and visual explanations.
Bar Chart Race
Turn changing data into animated bar-chart stories.
Learn Graphs
Learn about mathematical functions and graphs through interactive examples.
FS Spectra
An internal data and research project.
Games & play12
My Canasta
A Canasta card-game project currently shown as work in progress.
Maze Creator
Create and explore maze puzzles on Apple devices.
Cricket Darts Chalkboard
A simple scoreboard and chalkboard companion for cricket darts.
Pong Pin
A compact arcade-style game from Joao Frasco.
Sweeping Mines
A mine-sweeping puzzle game.
Dominoes Score Card
Keep track of scores while playing dominoes.
Glyph Atlas
Browse, search, and explore Apple system symbols in a focused offline reference.
Far From Home
A travel-distance app for keeping track of how far you are from home.
Walk Bingo Game
A walking and observation game designed to make a walk more playful.
Card Game Scoring
A flexible scorekeeping companion for card games.
US Mortality
A US mortality data exploration project currently shown as work in progress.
Longevity SA
Explore South African life expectancy using official mortality tables, interactive charts, and practical retirement insights.
Tools & utilities13
Talk Tonic
Conversation starters and prompts for more engaging conversations.
Divide Bill – Split & Scan
Split a bill or check between people, with tip and rounding options.
ML Camera
Explore real-time camera classification using on-device machine learning.
Photo Classifier
Classify images with an on-device machine-learning experiment.
ML Foto Fun
A playful photo app using machine-learning effects and classification.
Make Icons
Create and prepare app icon artwork on Mac.
When Last?
A simple way to keep track of when something last happened.
Speedometers
A collection of speedometer-style displays and measurement tools.
HR Zones
Understand and work with heart-rate training zones.
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.
CFOP Learning
Learn, practise, and time CFOP speedcubing solves.
One Second Later
One tap. Two photos a second apart. Compare side by side, morph the moment, and save your pairs.
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