# Open Door Teacher vs SVISAA

The clearest difference is update cadence: SVISAA at every 2 weeks against Open Door Teacher's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.

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, SVISAA every 2 weeks. The most recent releases landed on October 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Open Door Teacher | SVISAA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 45 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ThinkFirst Education Private Limited](https://appshunter.io/developer/1400803905) | [MICM Net Solutions Pvt Ltd](https://appshunter.io/developer/922883900) |

## What reviewers say

### Open Door Teacher

[App page](https://appshunter.io/ios/app/open-door-teacher/id1400803906)

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.

**Highlights:** OMR form evaluation, Misconception analysis, Class reports, Student reports, Result sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### SVISAA

[App page](https://appshunter.io/ios/app/svisaa/id6739110975)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Open Door Teacher free?

Open Door Teacher is free to download, with no in-app purchases.

### Is SVISAA free?

SVISAA is free to download, with no in-app purchases.

### Do Open Door Teacher or SVISAA have ads?

Neither Open Door Teacher nor SVISAA shows ads.

### Which is updated more often, Open Door Teacher or SVISAA?

Open Door Teacher ships an update every 13 months, and SVISAA every 2 weeks. Most recently, Open Door Teacher was updated on October 3, 2026 and SVISAA on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*