TNMaker vs OLM Marker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TNMaker
This app helps educators quickly grade multiple-choice tests using a smartphone camera. It allows for customization of test length and scoring, with immediate review and sharing options.
- Automated multiple-choice test grading
- Camera-based scanning
- Customizable number of questions
- Configurable scoring per question
- Review and sharing of results
- Downloadable answer sheets
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Functions: + TNMaker will be very helpful for teachers to mark for multiple choice test, rather than using their hands or using a dedicated scanner. + Just use the teacher's phone to mark the students' multiple choice test quickly. + The app allows reviewing, sorting, and sharing right away with facebook, zalo, gmail... +The application allows you to customize the number of sentences and give the correct score for each sentence. Usage Guide: - Notice : App need using camera permission and storage permission to read data. - First : You link to https://tnmaker.net or Setting-> AnswerPaper to download the answer sheets (support for sample 50), next you should print in format or scale (small, large). - Key: Used to scan a key. This is the correct answer to compare when scanning. You should fill in the circle and choose only a answer for each sentence. If you are not satisfied, you should rescan or save to complete the your key.You can review your key in Review-> Menu-> Key. - Scan: Use to scan your answer, you should move the camera to the 4 corners of the answer sheets, the red square will blink.The application will detect 4 corners and find the correct answer, the correct answer will be green , the incorrect answer will be red. Notice your will only select a answer, the application will view the correct number of sentences for each sentence and the score you get. Next you should click Back to scan the next answer sheets, if you do not find the square, you should move your camera and adjust them. - Review: You can review to your key or answer, click on the item and review your answer, you can delete and share it with facebook, zalo, gmail by hold in the item. Besides, you can select the menu and have some options, you can sort the list and share it to facebook...It is helpful, your list is too long, you should delete all of them and start a new multiple choice test. - Setting: Support for you with some options, you can choose the number of sentences to your score calculator, there are 20, 40, 50 .Easy to get answer sheets on your phone and watch the video tutorial. - Feedback: We are always trying to complete the application. Any feedback, you can send an email to tracnghiemmaker@gmail.com. Your comments will help more and get better. Email: tracnghiemmaker@gmail.com Website: https://tnmaker.net Privacy Policy: https://tnmaker.net/privacy-policy
OLM Marker
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Ứng dụng miễn phí giúp giáo viên chấm điểm trắc nghiệm một cách dễ dàng nhất
Screenshots
Verdict
The clearest difference is in-app purchases: OLM Marker at none against TNMaker's 5. OLM Marker also leads on iOS requirement (13.5 vs 15.0). TNMaker's advantage is update cadence (weekly vs every 3 weeks). 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. TNMaker sells 5 one-off in-app purchases. OLM Marker asks for nothing beyond the download.
TNMaker ships an update weekly, OLM Marker every 3 weeks. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.
| Parameter | TNMaker | OLM Marker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (27 ratings) — better | — |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.5 — better |
| Further details — not scored | ||
| Size | 15 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Vinh Le | Tho Ha Duc |
In-app purchases
TNMaker
- 1 month$1.99
- 3 months$2.99
- 6 months$4.99
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- 12 months$6.99
- Unlimited$7.99
OLM Marker
No in-app purchases
Questions
Is TNMaker free?
Is OLM Marker free?
Do TNMaker or OLM Marker have ads?
Which is updated more often, TNMaker or OLM Marker?
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