Down to the last pixel.

We are a small studio on Sydney's Northern Beaches. For over 18 years we've been building apps for ourselves and our friends — and we hope you like them too.

See the apps About us

Our apps

What we make.

Mojo

Simple, yet powerful markdown

An elegant, modern Markdown editor and viewer for the Mac. Quicklook support, Syntax highlighting, over 20 kinds of diagram, typeset mathematics and more.

Mac
Quick Look plugin
Exports PDF, Word, HTML

See Mojo

Stiction

One tap. Ten levels.

A one-tap arcade game where timing is everything.

See Stiction

Conversion

It converts — simple!

Any unit, any currency. Metres to feet, cups to millilitres, pounds to euros at today's rate. Ninety-five units across twelve categories, localised into 35 languages.

iPhone & iPad
166 currencies
Works offline

See Conversion

Foodie

Coming soon

Effortless recipe management

All the bells, and all the whistles too. Manage your own recipes or import from any website with a couple of taps. Powerful search, collections and tags — and a recipe page you can read from across the kitchen.

iPad & iPhone
Save from Safari
iCloud backup
No subscription

Astronomical

Coming soon

Astrophotography, planned

Something new for dark skies.

About us

We make the apps we want to use ourselves.

Which is why the small things get fixed. We believe in buying software once, keeping what you make, and being able to take it elsewhere. No subscriptions, no adverts, nothing collected about you.

Years on the App Store

Languages we ship in

Subscriptions, adverts or trackers

Get in touch

Say hello.

Questions, bug reports, or something you'd like us to build.

info@conceptdev.com.au