Comparison

TNMaker vs OLM Marker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Automated multiple-choice test grading
  • Camera-based scanning
  • Customizable number of questions
  • Configurable scoring per question
  • Review and sharing of results
  • Downloadable answer sheets
Read full description

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

About

OLM Marker

Features
Read full description

Ứng dụng miễn phí giúp giáo viên chấm điểm trắc nghiệm một cách dễ dàng nhất

Screenshots

TNMaker4 screens
OLM Marker4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. TNMaker sells 5 one-off in-app purchases. OLM Marker asks for nothing beyond the download.

UpkeepUpdate frequency

TNMaker ships an update weekly, OLM Marker every 3 weeks. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
TNMaker versus OLM Marker: the parameters behind the verdict, then further details
ParameterTNMakerOLM Marker
PriceFreeFree
Rating4.0 (27 ratings) — better—
Positive reviews55.6% of reviews—
Number of ratings27 — better—
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.5 — better
Further details — not scored
Size15 MB8 MB
Age rating4+4+
DeveloperVinh LeTho Ha Duc

In-app purchases

5 purchases

TNMaker

One-time5
  • 1 month$1.99
  • 3 months$2.99
  • 6 months$4.99
Show 2 more
  • 12 months$6.99
  • Unlimited$7.99
None

OLM Marker

No in-app purchases

Questions

Is TNMaker free?
TNMaker is free to download, with in-app purchases available.
Is OLM Marker free?
OLM Marker is free to download, with no in-app purchases.
Do TNMaker or OLM Marker have ads?
Neither TNMaker nor OLM Marker shows ads.
Which is updated more often, TNMaker or OLM Marker?
TNMaker ships an update weekly, and OLM Marker every 3 weeks. Most recently, TNMaker was updated on September 21, 2026 and OLM Marker on September 20, 2026.

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