GradeChum Scanner vs Check Answer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GradeChum Scanner
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GradeChum Scanner is a powerful companion app that helps educators streamline the grading process by digitizing student submissions. Simply use your mobile device to scan answer sheets, and they’ll be securely uploaded to your GradeChum account—ready for automatic grading and results generation. Whether you’re managing quizzes, exams, or paper-based activities, GradeChum Scanner makes it easy to move from manual checking to fast, accurate, and organized grading. Key Features: - Scan student answer sheets instantly using your phone - Secure upload directly to your GradeChum account - Compatible with GradeChum’s auto-grading engine - 100% free to use with monthly usage limits (no in-app purchases) - Works seamlessly with your existing GradeChum web account This app is designed for teachers and educators looking for a smarter, faster way to handle paper-based assessments. Whether you’re in a classroom or working remotely, GradeChum Scanner helps you save time and focus more on teaching. Note: A GradeChum account is required to access uploaded scans and grading features. You can sign up for free at https://app.gradechum.com/signup.
Check Answer
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Turn your smartphone into an intelligent OMR scanner! Tired of manually grading answer sheets one by one? With Check Answer, you can grade dozens of exams in just minutes. Powered by advanced image processing, it is designed to be the most efficient and user-friendly tool for teachers and educators. Key Features That Set Us Apart: - Flexible Answer Key Templates: Create your own custom answer sheets effortlessly—whether it’s 20, 50, or 100 questions. Use "Grid Mode" to place marking points in seconds. - Precision Crosshair: Achieve pixel-perfect accuracy. Our aiming system ensures clear visibility even under your fingertip, eliminating any placement errors. - Snap & Grade (Instant Grading): Simply take a photo of the answer sheet. The system easily corrects image angles (Perspective Warp) and calculates scores instantly, highlighting correct answers in green and errors in red on your screen. - Adjustable Sensitivity Control: Supports both pencils and pens. You can manually adjust the detection threshold to ensure maximum accuracy in any lighting condition. - Results & History Tracking: Save student names and scores organized by subject. Access exam history anytime to monitor student progress over time. - Export Data (Pro Feature): Pro members can export scores as CSV files, ready for use in Excel, Google Sheets, or any school grading system. Perfect For: - Teachers of all levels (Primary, Secondary, University) - Tutors and Test Prep Centers - Corporate training and assessments - Start for FREE! - Create up to 3 templates and use all core features at no cost. Upgrade to Pro for unlimited templates and to unlock the data export feature. Download Check Answer today and take back your valuable teaching time! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: GradeChum Scanner at none against Check Answer's 4. GradeChum Scanner also leads on iOS requirement (16.4 vs 18.6). Check Answer's advantage is update cadence (every 4 days vs every 8 days). On price, 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
Both are free to download. Check Answer sells 4 in-app purchases, starting at $0.99 per month. GradeChum Scanner asks for nothing beyond the download.
GradeChum Scanner ships an update every 8 days, Check Answer every 4 days. The most recent releases landed on October 1, 2026 and September 19, 2026 respectively.
| Parameter | GradeChum Scanner | Check Answer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 18.6 |
| Further details — not scored | ||
| Size | 54 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | CodeChum Software Solutions Inc. | Jatuphol Jaturapat |
In-app purchases
GradeChum Scanner
No in-app purchases
Check Answer
- Unlimited use (1 Month)1 Month trial$0.991 Month
- Unlimited Use (3 Months)$2.993 Months
- Unlimited Use (1 Year)$4.991 Year
- Lifetime Access$12.99
Questions
Is GradeChum Scanner free?
Is Check Answer free?
Do GradeChum Scanner or Check Answer have ads?
Which is updated more often, GradeChum Scanner or Check Answer?
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