# SiiAPP vs DUX.

The clearest difference is device support: SiiAPP at 3 against DUX.'s —. SiiAPP also leads on iOS requirement (13.0 vs 15.1). On price 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.

## The numbers

| Metric | SiiAPP | DUX. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/siiapp/id1488201798/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 12.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 61 MB | 26 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Oscar Mendez Hernandez](https://appshunter.io/developer/1488201797) | [angel orozco](https://appshunter.io/developer/1736673130) |

## What reviewers say

### SiiAPP

[App page](https://appshunter.io/ios/app/siiapp/id1488201798)

Easily access class schedules, teacher details, and professor reviews. View past academic cycles and customize your timetable. Offline access available for loaded information.

**Highlights:** Classroom and teacher lookup, Professor reviews and ratings, Customizable timetable design, Past academic cycle schedules, Offline access to data

**Features:** macOS Compatibility

**In-app purchases:** none


### DUX.

[App page](https://appshunter.io/ios/app/dux/id6479631931)

**In-app purchases:** none


## Frequently asked questions

### Is SiiAPP free?

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

### Is DUX. free?

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

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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.*