Open Door Teacher vs CATJEE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Open Door Teacher
This application streamlines the grading of OMR-based forms, providing immediate results. It offers detailed analysis of student misconceptions and generates comprehensive class and individual student reports for easy sharing.
- OMR form evaluation
- Misconception analysis
- Class reports
- Student reports
- Result sharing
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This app allows you to evaluate OMR based forms. It generates instant result. App Features: -Easy Evaluation of OMR forms -Misconception Analysis -Class Reports -Student Reports -Easy Result Sharing
CATJEE
Prepare for competitive engineering and medical entrance exams with this educational app. It offers resources designed to help students ace their JEE and NEET tests.
- JEE exam preparation
- NEET exam preparation
- Study resources
- Exam practice
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Good app to prepare for JEE, NEET exams
Screenshots
Verdict
The clearest difference is review sentiment: CATJEE at 100% against Open Door Teacher's 25%. CATJEE also leads on update cadence (every 9 days vs every 13 months) and iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Open Door Teacher ships an update every 13 months, CATJEE every 9 days. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.
| Parameter | Open Door Teacher | CATJEE |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Update frequency | Every 13 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | ThinkFirst Education Private Limited | CATJEE EDUCATION PRIVATE LIMITED |
Customer experience
Open Door Teacher
CATJEE
In-app purchases
Open Door Teacher
No in-app purchases
CATJEE
No in-app purchases
Questions
Is Open Door Teacher free?
Is CATJEE free?
Do Open Door Teacher or CATJEE have ads?
Which is updated more often, Open Door Teacher or CATJEE?
Other comparisons
