keifer.net, LLC

Support

Every product here is made and maintained by one person. The fastest way to get help is email — I read everything and reply to real messages, usually within 1–2 business days.

hey@keifer.net →

By product

Slate — production management Get help ↗

MathDraft — LaTeX worksheets Get help ↗

testDeck — card-game pipeline Get help ↗

Little Ledger — budgeting Get help ↗

Common questions

How do I report a bug or request a feature?

Email hey@keifer.net with the app name and, if you can, a screenshot or steps to reproduce. It goes straight to me.

How do I delete my account or data?

Email me and I’ll remove it. See the Privacy Policy for details on what’s stored.

Where’s my receipt or subscription?

Purchases made through the App Store are managed in your Apple account settings. For anything else, email me and I’ll sort it out.