# Centro Óptico Losada vs E50 Usuario

The clearest difference is update cadence: E50 Usuario at every 2 weeks against Centro Óptico Losada's monthly. Centro Óptico Losada's advantage is iOS requirement (11.0 vs 16.0). 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.

Centro Óptico Losada ships an update monthly, E50 Usuario every 2 weeks. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Centro Óptico Losada | E50 Usuario |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 27 MB | 97 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Feediu](https://appshunter.io/developer/1561934628) | [Brenda Saavedra](https://appshunter.io/developer/616821409) |

## What reviewers say

### Centro Óptico Losada

[App page](https://appshunter.io/ios/app/centro-optico-losada/id1666045028)

**Features:** macOS Compatibility

**In-app purchases:** none


### E50 Usuario

[App page](https://appshunter.io/ios/app/e50-usuario/id6499451629)

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

**In-app purchases:** none


## Frequently asked questions

### Is Centro Óptico Losada free?

Centro Óptico Losada is free to download, with no in-app purchases.

### Is E50 Usuario free?

E50 Usuario is free to download, with no in-app purchases.

### Do Centro Óptico Losada or E50 Usuario have ads?

Neither Centro Óptico Losada nor E50 Usuario shows ads.

### Which is updated more often, Centro Óptico Losada or E50 Usuario?

Centro Óptico Losada ships an update monthly, and E50 Usuario every 2 weeks. Most recently, Centro Óptico Losada was updated on October 20, 2026 and E50 Usuario on October 27, 2026.

---

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