# VIU vs CTO

The clearest difference is rating: VIU at 4.7 against CTO's 1.0. VIU also leads on ratings volume (121 vs 1). CTO's advantage is iOS requirement (12.0 vs 17.0). 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.

VIU holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: VIU has 121 ratings behind it against 1, so its average is the more settled of the two.

VIU ships an update monthly, CTO fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | VIU | CTO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (121 ratings)](https://appshunter.io/ios/app/viu/id1436162683/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/cto/id1616881955/reviews) |
| Number of ratings | **121** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | Free |
| Size | 130 MB | 49 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [UNIVERSIA ESPANA RED DE UNIVERSIDADES SA](https://appshunter.io/developer/1573561256) | [CTO Medicina](https://appshunter.io/developer/597003826) |

## What reviewers say

### VIU

[App page](https://appshunter.io/ios/app/viu/id1436162683)

This official university app provides students with quick access to essential campus resources. It includes a virtual campus for learning materials, a digital library with millions of resources, and institutional information. Students can also find details on scholarships and support services.

**Highlights:** Official university app, Virtual Campus access, Digital Library access, Institutional website access, Scholarship information, Student support services

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### CTO

[App page](https://appshunter.io/ios/app/cto/id1616881955)

This official app provides exclusive access for CTO personnel and enrolled MIR or EIR students. It mirrors the Campus CTO platform, offering features like attendance tracking and material management to support learning.

**Highlights:** Exclusive access for CTO personnel, Access for MIR/EIR students, Mirroring Campus CTO platform, Attendance control, Material management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VIU free?

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

### Is CTO free?

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

### Which has better reviews, VIU or CTO?

VIU is rated higher. VIU averages 4.7 out of 5 from 121 ratings, while CTO averages 1.0 from 1 ratings.

### Do VIU or CTO have ads?

Neither VIU nor CTO shows ads.

### Which is updated more often, VIU or CTO?

VIU ships an update monthly, and CTO fortnightly. Most recently, VIU was updated on November 2, 2026 and CTO on November 3, 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.*