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SnapPy

We built SnapPy for Python interview practice. It comes from Schoolabe, and a Schoolabe account keeps the mistake notebook.

App Store version 1.0.1, updated 6 October 2026. First released 17 August 2026. Requires iOS 17. Store name: SnapPy: The Python Notes.

Download on the App Store
SnapPy App Store screenshot.

What it does

  • Trace a snippet, then type the output.Code Trace Lab asks you to follow a snippet line by line, then type the output.
  • Timed drills.Interview Drills hide the answer until you reveal it. You can filter drills by company, including Google and Amazon.
  • A mistake notebook.Missed questions go into a Mistake Notebook. That notebook, and drill notes, follow your Schoolabe account.
  • A short coach session.An 8-card Weak Chapter Coach session, and a Weekly Notebook Recap, sit next to the drills.

Built with

  • iOS

We built SnapPy at Schoolabe and shipped it free on the App Store. It needs iOS 17. Age rating 4+.

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