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MAC APP

Bubble Batch

Print bubble answer sheets and grade the whole class’s scan on your Mac

Print bubble sheets for your own multiple-choice tests, scan the class’s stack to one PDF at the copier, and Bubble Batch grades every page on your Mac. Unclear marks wait for you in Review, beside the scanned bubbles. Nothing is uploaded, and there’s no subscription.

$15.99 Buy now Download free

Free to use without a key: one test, its printed sheets, and grading, review and scores for up to 40 sheets. Help › Try the Sample Class grades a made-up class before you print anything.

Buy a license key to unlock Pro: unlimited tests and sheets, versions B to D, the item analysis on screen and as a PDF, and the gradebook CSV.

macOS 14 Sonoma or later · Version 1.0 · 3.5 MB disk image · Notarized by Apple

One-time $15.99 for the app with Pro: unlimited tests and sheets, versions B to D, the item analysis and the gradebook CSV. No subscription, no account. One license key works on up to 3 of your Macs.

Download: The download (a signed, notarized .dmg) comes with your purchase in your Gumroad receipt, together with your license key. Updates install from inside the app.

Buy now opens Gumroad's checkout on this page; Gumroad is the seller and handles payment, sales tax and your receipt.

A graded class: every student’s score, with a scanned sheet and its right and wrong answers marked

Features

  • Its own answer sheet: corner squares, a code with the test, version and page, and student-ID bubbles
  • Up to 100 questions a page (200 a test), A–B to A–E, on US Letter or A4
  • Import a roster and each sheet is printed with the student’s name and ID already filled in
  • Scan the whole stack to one PDF, in any order and even upside down; every page is read on your Mac
  • No scanner? Import from iPhone › Scan Documents (Continuity Camera), or drop photos
  • Blank, faint, double and check-mark answers, unclear IDs and missing pages wait in Review, each beside its scanned bubbles
  • Scores, mean and median, reliability (KR-20), a histogram and means by version
  • Pro: versions A to D, the item analysis (on screen and PDF) and a gradebook CSV in roster order
  • Reads only the sheets it prints, not other answer forms
Review: a question with two marks shown beside its scanned bubbles and how dark each one is
Results: mean, median, reliability, a score histogram, means by version and the item analysis
Printing sheets for a roster, each with the student’s name and ID bubbles filled in
The test: the answer key typed or clicked, and version B’s shuffled order

Requirements

macOS 14 Sonoma or later. Apple silicon and Intel. A printer, and a copier or scanner that scans to PDF (or an iPhone with Continuity Camera). Current version: 1.0.

Privacy

Scans, rosters and scores stay on your Mac and are never uploaded. Bubble Batch opens only the files you choose. The only network requests are the license check with Gumroad and checking for updates.

Bubble Batch privacy policyHelp and support

Questions about your purchase or license key? Reply to your Gumroad receipt or contact us.