More...

...about my products          

Help and Documentation

Receipts
PDFify
OnePile
Briefing

Support

The preferred way to contact support is via the support function built into the apps, which can usually be found in the main menu under Help. This gives me additional information about the version of the application I am using. Alternatively there are the following support forms on the websites:

Receipts
PDFify
OnePile

Errors and feature requests can also be directly managed and evaluated for the following apps:

PDFify
OnePile

Newsletter

Stay up to date with the email newsletter:

Receipts
PDFify
OnePile

Blog

In depth articles about app development backgrounds: Entwicklung:

Holtwick.de
Receipts
OnePile

Social Media

Twitter
@holtwick - Principal account
@apperdeck - Slightly more informal news
@receipts-app - News about Receipts

Facebook
Receipts
OnePile

Youtube
Receipts
Holtwick - all others

Reviews

Did you like the app or the product? That is great! Here are ways to share the joy.

AppStores
Receipts
PDFify
OnePile
Briefing

ProductHunt
Receipts
PDFify
Briefing

AlternativeTo
Receipts
PDFify
OnePile
Briefing

MacUpdate
Receipts
PDFify
OnePile

API

Some apps offer programming interfaces:

Receipts
OnePile
Briefing

I develop and sell apps, but I am also involved in the open source area. I would like to provide more Open Source, but then the income is missing. For this reason it is also possible to support my work.

Sponsoring via Github
Direkt via PayPal

Of course, other ways are also possible or contract work against invoice. Please contact me via contact@holtwick.de.