GradeChum Scanner vs OMR Sheet Scanner
Price, ratings, monetisation and update history for both apps, side by side β 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 theyβll be securely uploaded to your GradeChum accountβready for automatic grading and results generation. Whether youβre 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 GradeChumβs 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 youβre 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.
OMR Sheet Scanner
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OMR Grader turns your iPhone into a powerful answer sheet grading machine. Teachers, professors, and educators can create, scan, and grade multiple-choice bubble sheets in seconds β no expensive hardware needed. GENERATE CUSTOM ANSWER SHEETS Create professional OMR bubble sheets with 50, 100, 120, or 160 questions. Choose 2 or 4 column layouts. Add your school or institute name. Download as PDF ready to print on any standard printer. SET ANSWER KEYS IN SECONDS Tap bubbles on screen to set correct answers. Or scan a pre-filled master sheet and the app creates the answer key automatically. Set custom point values per question and penalty scoring for wrong or multiple-marked answers. SCAN AND GRADE INSTANTLY Point your camera at a filled answer sheet for instant grading. The app detects the sheet, reads every bubble, and shows the score in real time. Works with printed sheets from any standard printer. BATCH GRADING FOR LARGE CLASSES Have a stack of 100 or more sheets? Use any document scanner to digitize them, then load all images into Batch Scanner. The app grades every sheet automatically β saving hours of manual work. VIEW DETAILED RESULTS See each student's score with a color-coded annotated sheet showing correct, incorrect, empty, and multiple-marked answers. Identify which questions students struggled with most. EXPORT AND SHARE Export results as CSV spreadsheet, PDF report, or ZIP archive. Share with colleagues, administrators, or parents easily. PREMIUM FEATURES Free users get 20 scans per day. Upgrade to OMR Grader Premium for unlimited scans, batch grading, and priority support. Privacy Policy: https://omrgrader.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: GradeChum Scanner at none against OMR Sheet Scanner's 2. On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. OMR Sheet Scanner sells 2 in-app purchases, starting at $4.99 per month. GradeChum Scanner asks for nothing beyond the download.
GradeChum Scanner ships an update weekly, OMR Sheet Scanner every 4 days. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.
| Parameter | GradeChum Scanner | OMR Sheet Scanner |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 4 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 16.4 β better | 17 |
| Further details β not scored | ||
| Size | 54 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | CodeChum Software Solutions Inc. | LUTFULLAH SAFDARI |
In-app purchases
GradeChum Scanner
No in-app purchases
OMR Sheet Scanner
- OMR Grader Premium$4.991 Month
- OMR Grader Premium$44.991 Year
Questions
Is GradeChum Scanner free?
Is OMR Sheet Scanner free?
Do GradeChum Scanner or OMR Sheet Scanner have ads?
Which is updated more often, GradeChum Scanner or OMR Sheet Scanner?
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