# Científica Bus vs Ucal

The clearest difference is update cadence: Ucal at every 2 weeks against Científica Bus's every 2 months. Científica Bus's advantage is iOS requirement (13 vs 15.5). 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.

Científica Bus ships an update every 2 months, Ucal every 2 weeks. The most recent releases landed on October 3, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Científica Bus | Ucal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 77 MB | 143 MB |
| Requires iOS | **13** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Universidad Cientifica del Sur](https://appshunter.io/developer/1343889963) | [Universidad de Ciencias y Artes de America Latina S.A.C.](https://appshunter.io/developer/1546146575) |

## What reviewers say

### Científica Bus

[App page](https://appshunter.io/ios/app/cientifica-bus/id1638781194)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ucal

[App page](https://appshunter.io/ios/app/ucal/id1662670703)

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

**In-app purchases:** none


## Frequently asked questions

### Is Científica Bus free?

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

### Is Ucal free?

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

### Do Científica Bus or Ucal have ads?

Neither Científica Bus nor Ucal shows ads.

### Which is updated more often, Científica Bus or Ucal?

Científica Bus ships an update every 2 months, and Ucal every 2 weeks. Most recently, Científica Bus was updated on October 3, 2026 and Ucal on September 23, 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.*