Comparison

ZipGrade vs Quick Key

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ZipGrade

Instantly grade multiple-choice tests and quizzes using your device's camera. This app offers a fast and accurate way for educators to assess student work, with features for organizing and exporting results. It provides immediate feedback to inform lesson planning and assignments.

Highlights
  • Instant grading with device camera
  • Supports multiple choice tests and quizzes
  • Organizes and exports results (PDF, Excel)
  • Free answer sheet templates available
  • Companion website for data management
  • Stores results by student, subject, and quiz
Features
Read full description

Teachers can grade multiple choice tests, quizzes, and assessments instantly in the classroom by using their iPhone or iPad's camera as a scanner. It is the most cost effective, fastest, and most accurate way to grade tests in the classroom or where ever you are. -------------------------------------------------------- * Free answer sheets available in several formats and sizes up to 100 questions (including custom form wizard) * Organizes results for reporting and exporting via PDF and Excel-readable format * Uses student ID numbers or written name of student for reporting. * Use companion website (www.zipgrade.com) to manage your data and upload student lists and review results in dozens of reports and exports. -------------------------------------------------------- Use for exit tickets, formative assessments, or regular quizzes. Stores results by students, subject, and quiz. By giving teachers the flexibility to grade papers instantly anywhere, ZipGrade provides immediate feedback on current knowledge and can be used to better focus lessons and assignments. Download ZipGrade free with access to all features and website, but limited to 100 scans per month. After you've used it for a class or two, use the in-app purchase a non-recurring subscription with unlimited scanning.

About

Quick Key

This app allows educators to grade paper quizzes using their iPhone or iPad. It scans compatible answer sheets, provides detailed results by student and question, and helps plan future lessons. A QuickKey account is required to create quizzes and manage classes.

Highlights
  • Scan compatible answer sheets with your device's camera
  • Create and organize quizzes, courses, and students
  • Review uncertain answers and make manual corrections
  • View student scores and question summaries
  • Share or print results and reports as PDFs
  • Supports multiple-choice, numeric, and true/false formats
Features
Read full description

Grade paper quizzes with your iPhone or iPad. QuickKey scans supported answer sheets so you can spend less time entering scores and more time understanding your class. Create an answer key, print a compatible bubble sheet, and scan a stack of papers. Review answers that need attention and see results by student and question. Prepare your quiz • Create and organize quizzes, courses and students. • Choose correct answers and set question points. • Find compatible multiple-choice, numeric and true/false sheet formats available to your account. • Preview, share or print supported answer sheets. Scan and review • Use your camera to scan supported printed sheets in succession. • Review uncertain or multiple marked answers and make corrections. • Enter answers manually or grade supported open-response questions yourself. • See which results are saved on your device and which are confirmed in your account. Understand the results • View student scores, class participation and question summaries. • Share or print selected results and reports as PDFs. • Use quizzes, tests and exit tickets to help plan your next lesson. A QuickKey account is required. Connect to set up quizzes, manage your classes and send results to your account. Prepared scanning can continue through connection interruptions. Available sheet formats, features and usage allowances depend on your account. Need help or want to share feedback? Use Account & Help in the app or email support@quickkeyapp.com.

Screenshots

ZipGrade3 screens
Quick Key4 screens

Verdict

The call

The clearest difference is in-app purchases: Quick Key at none against ZipGrade's 1. ZipGrade's advantage is rating (4.9 vs 4.5) and ratings volume (37K vs 226). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ZipGrade sells 1 one-off in-app purchase. Quick Key asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ZipGrade holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: ZipGrade has 37K ratings behind it against 226, so its average is the more settled of the two. Written reviews point the same way: 86% of ZipGrade's written reviews are positive against 75% of Quick Key's.

UpkeepUpdate frequency

ZipGrade ships an update every 6 weeks, Quick Key every 3 weeks. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard6 real differences · 4 level
ZipGrade versus Quick Key: the parameters behind the verdict, then further details
ParameterZipGradeQuick Key
PriceFreeFree
Rating4.9 (37K ratings) — better4.5 (226 ratings)
Positive reviews85.9% of reviews — better74.7% of reviews
Number of ratings37K — better226
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size30 MB15 MB
Age rating4+4+
DeveloperZipGrade LLCThirty Seven Inc.

Customer experience

ZipGrade

All ratings36,274 ratings
Positive98.3%
Neutral0.9%
Negative0.9%
Written reviews510 reviews
Positive85.9%
Neutral3.1%
Negative11.0%

Quick Key

All ratings226 ratings
Positive87.6%
Neutral4.9%
Negative7.5%
Written reviews95 reviews
Positive74.7%
Neutral7.4%
Negative17.9%

User reviews

ZipGrade

From 37K App Store ratings

What we love

  • 🚀 Efficient grading
  • 👍 Instant feedback for students
  • 📊 Detailed data analysis
  • 💰 Affordable subscription
  • ⏱️ Time-saving

Room to improve

  • 🐛 Inconsistent scanning issues
  • 🔍 Difficulty navigating interface
  • 🔢 Lack of class/student grouping options
  • 🖼️ Poor image quality for student names

Quick Key

From 226 App Store ratings

What we love

  • 🚀 Fast and efficient grading of multiple choice assessments
  • 📊 Instant data analysis and question-level analytics
  • 👍 User-friendly interface and easy setup
  • 💰 Cost-effective alternative to traditional scantron machines
  • ⭐ Excellent and responsive customer support

Room to improve

  • 🐛 Frequent app crashes and stability issues
  • 📱 Inconsistent scanning functionality across devices
  • 🔋 Rapid battery drain during scanning
  • 🔐 Account creation and login problems
  • 💳 Unclear and restrictive pricing structure

Bugs and requests

ZipGrade

Reported bugs

2 issues
  • Scanning issues with flat surface detection
  • Incorrect answer marking due to eraser marks

Requested features

4 requests
  • Ability to change question point values in bulk
  • Option to create/edit answer keys on website
  • Support for non-multiple choice question types
  • Improved data export/integration with other systems

Quick Key

Reported bugs

9 issues
  • App crashes intermittently during use
  • Scanner does not recognize properly filled bubbles
  • Login and account creation failures
  • Syncing delays between mobile app and web platform
  • App force-closes on iPad Air and older devices
Show 4 more
  • Scanner hangs without providing feedback
  • Scanning fails despite green indicator lights
  • Blank scan results for properly filled sheets
  • Compatibility issues with iOS 8 and newer versions

Requested features

11 requests
  • Support for more than 30 questions per quiz
  • Native iPad app (not stretched iPhone version)
  • Ability to use district-provided scantron sheets
  • Gridded/numerical response question support
  • Itemized answer choice reporting (A/B/C/D breakdown)
Show 6 more
  • Support for multiple correct answers per question
  • Custom student numbering system for younger grades
  • Integration with PowerTeacher and other SIS platforms
  • Better scanner feedback and error messages
  • Higher monthly scan limits for larger classes
  • Edit capability for already-scanned tests

In-app purchases

1 purchases

ZipGrade

One-time1
  • Add 1 year of use$6.99
None

Quick Key

No in-app purchases

Questions

Is ZipGrade free?
ZipGrade is free to download, with in-app purchases available.
Is Quick Key free?
Quick Key is free to download, with no in-app purchases.
Which has better reviews, ZipGrade or Quick Key?
ZipGrade is rated higher. ZipGrade averages 4.9 out of 5 from 37K ratings, while Quick Key averages 4.5 from 226 ratings.
Do ZipGrade or Quick Key have ads?
Neither ZipGrade nor Quick Key shows ads.
Which is updated more often, ZipGrade or Quick Key?
ZipGrade ships an update every 6 weeks, and Quick Key every 3 weeks. Most recently, ZipGrade was updated on November 7, 2026 and Quick Key on November 6, 2026.

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