# Quick Key Mobile Grading App vs ScanGrader

The clearest difference is in-app purchases: Quick Key Mobile Grading App at none against ScanGrader's 1. Quick Key Mobile Grading App also leads on iOS requirement (8.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ScanGrader sells 1 in-app purchase, starting at $6.99 per year. Quick Key Mobile Grading App asks for nothing beyond the download.

Quick Key Mobile Grading App ships an update every 3 weeks, ScanGrader every 6 weeks. The most recent releases landed on October 6, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Quick Key Mobile Grading App | ScanGrader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (226 ratings)](https://appshunter.io/ios/app/quick-key-mobile-grading-app/id686229501/reviews)** | — |
| Number of ratings | **226** | — |
| Positive reviews | 74.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 30 MB | 6 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thirty Seven Inc.](https://appshunter.io/developer/554594255) | [Zanido Software Ltda.](https://appshunter.io/developer/1687168581) |

## What reviewers say

### Quick Key Mobile Grading App

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

Easily grade paper quizzes and digital assessments using a mobile device. Supports both paper and paperless classrooms, offering automatic reporting and seamless integration with popular learning management systems. Secure and compliant with student privacy regulations.

**Highlights:** Grade paper quizzes with phone camera, Send digital quizzes to student devices, Works offline, Integrates with Google Classroom, Exports to electronic gradebooks, Automatic reporting, Free bubble sheets

**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)


### ScanGrader

[App page](https://appshunter.io/ios/app/scangrader/id6448961446)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $6.99 | per year |


## Frequently asked questions

### Is Quick Key Mobile Grading App free?

Quick Key Mobile Grading App is free to download, with no in-app purchases.

### Is ScanGrader free?

ScanGrader is free to download, with in-app purchases available.

### Do Quick Key Mobile Grading App or ScanGrader have ads?

Neither Quick Key Mobile Grading App nor ScanGrader shows ads.

### Which is updated more often, Quick Key Mobile Grading App or ScanGrader?

Quick Key Mobile Grading App ships an update every 3 weeks, and ScanGrader every 6 weeks. Most recently, Quick Key Mobile Grading App was updated on October 6, 2026 and ScanGrader on September 24, 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.*