# ZipGrade vs Quick Key

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.

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

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.

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.

## The numbers

| Metric | ZipGrade | Quick Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (37K ratings)](https://appshunter.io/ios/app/zipgrade/id635077270/reviews)** | [4.5 (226 ratings)](https://appshunter.io/ios/app/quick-key-paper-grading/id686229501/reviews) |
| Number of ratings | **37K** | 226 |
| Positive reviews | **85.9% of reviews** | 74.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 30 MB | 15 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZipGrade LLC](https://appshunter.io/developer/582826575) | [Thirty Seven Inc.](https://appshunter.io/developer/554594255) |

## What reviewers say

### ZipGrade

[App page](https://appshunter.io/ios/app/zipgrade/id635077270)

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:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 1 year of use | $6.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/quick-key-paper-grading/id686229501)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 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

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- 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

**Requested features**

- 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)


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*