# OpenEMIS Scanner vs Katsina SEMIS

The clearest difference is iOS requirement: Katsina SEMIS at 13.0 against OpenEMIS Scanner's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OpenEMIS Scanner ships an update every 8 months, Katsina SEMIS every 5 months. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | OpenEMIS Scanner | Katsina SEMIS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Size | 23 MB | 63 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KORD IT Pte Ltd](https://appshunter.io/developer/562183299) | [BBGNSURF TECHNOLOGIES](https://appshunter.io/developer/1608700036) |

## What reviewers say

### OpenEMIS Scanner

[App page](https://appshunter.io/ios/app/openemis-scanner/id6740020219)

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

**In-app purchases:** none


### Katsina SEMIS

[App page](https://appshunter.io/ios/app/katsina-semis/id6740149997)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenEMIS Scanner free?

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

### Is Katsina SEMIS free?

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

### Do OpenEMIS Scanner or Katsina SEMIS have ads?

Neither OpenEMIS Scanner nor Katsina SEMIS shows ads.

### Which is updated more often, OpenEMIS Scanner or Katsina SEMIS?

OpenEMIS Scanner ships an update every 8 months, and Katsina SEMIS every 5 months. Most recently, OpenEMIS Scanner was updated on October 7, 2026 and Katsina SEMIS on October 22, 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.*