Codonic

Practical guides

Solve the job first.
Choose the tool second.

Detailed, honest guides for the problems our apps are built around—from tracking cash on a multi-currency trip to handwriting on a computer with the screen already in your pocket.

Pad

Turn a tablet or phone into a pressure-sensitive drawing and writing pad for Mac or PC

See the app →

Digital art

How to use an Android tablet as a drawing tablet for a PC or Mac

A practical route from an Android tablet to pressure-sensitive input in Photoshop, Krita, Clip Studio, Affinity or Blender.

7 minute read →

Apple Pencil

How to use an iPad as a drawing tablet for a Mac or Windows PC

What to look for when turning an iPad and Apple Pencil into a pen display for the desktop apps you already use.

7 minute read →

Study & documents

Use a tablet or phone to handwrite, annotate and sign on your computer

A no-file-transfer workflow for students, teachers and anyone who needs a quick pen surface on a Mac or Windows PC.

6 minute read →

Krita

Use your tablet as a pressure-sensitive drawing tablet for Krita

A focused setup and troubleshooting guide for getting real stylus pressure into Krita from a tablet you already own.

6 minute read →

Souvenir

A travel expense tracker you open because it is also the journal of the trip

See the app →

Travel budgeting

How to track travel expenses without turning the trip into bookkeeping

A simple method for capturing what a trip really costs while keeping the daily habit light enough to maintain.

8 minute read →

Cash travel

How to track cash, ATM withdrawals and exchange fees while travelling

The accounting model that keeps cash-heavy and multi-currency trips accurate without making the traveller do accounting.

7 minute read →

Group trips

How to split group travel expenses fairly and settle up with fewer payments

A clean system for couples, friends and families who want one shared picture of the trip without settling every coffee immediately.

7 minute read →