Deves vs Check Answer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Deves
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แอพพลิเคชั่นสำหรับผู้ที่สนใจเรียนออนไลน์
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: Deves at none against Check Answer's 4. Deves also leads on iOS requirement (12.0 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. Deves asks for nothing beyond the download.
Deves ships an update every 8 days, Check Answer every 4 days. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.
| Parameter | Deves | 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, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 71 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | The Deves Insurance Public Company Limited | Jatuphol Jaturapat |
In-app purchases
Deves
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
