Support

Something not working, or a feature you wish existed? Write in — every message is read by the developer.

To get a useful answer faster, please include the app name, your app version (Account → Settings), your device model and iOS version, and — if you can — the steps that lead to the problem.

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InvoiceMaker
AR Drawing
Privacy & data

InvoiceMaker

InvoiceMaker has its own support page, with the questions that come up most often — where your data lives, backups, sending invoices, payment reminders, Pro and subscriptions:

Email works just as well for InvoiceMaker questions — dev.tahatosun@gmail.com.

AR Drawing

AR Drawing has its own support page, with the setup advice and the questions that come up most often — drifting templates, saved projects, Pro and subscriptions:

Email works just as well for AR Drawing questions — dev.tahatosun@gmail.com.

Privacy & data

Both apps keep your content on your device. They use Google AdMob to show ads to non-paying users, and Firebase to count crashes and general usage; neither ever receives your documents or images. Each app's policy has the full detail:

You can turn off personalised advertising at any time from Settings app → Privacy & Security → Tracking. Where required by law, each app also offers an in-app row to change your advertising consent — InvoiceMaker under Settings → Ad privacy settings, AR Drawing under Settings → Privacy options.