Download Procreate from the Apple App Store [1].
Use reputable free apps from the App Store like Sketchbook or ibisPaint [5, 6].
is a professional painting app designed for iPad [1]. It is not designed for iPhone (telefonbuch implies phone/iPhone) and is only available officially through the Apple App Store.
Are you trying to get on an iPad or Procreate Pocket on an iPhone?
If you tell me what device you have, I can help you find a safe and secure way to install a drawing app.
Files labeled "Procreate-telefonbuch-ipa" found on third-party websites, forums, or Telegram channels are highly likely to be malicious, containing viruses, spyware, or ransomware that can compromise your device, steal personal data, or lock your phone [2, 3]. Safe and Legal Alternatives
Download Procreate Pocket from the Apple App Store [4].