# COR.Rio vs Sydel Star

The clearest difference is update cadence: Sydel Star at every 2 weeks against COR.Rio's every 5 weeks. On price, ads, in-app purchases and monetization model there is nothing between them.

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

COR.Rio ships an update every 5 weeks, Sydel Star every 2 weeks. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | COR.Rio | Sydel Star |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sydel-star/id6747406443/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 124 MB | 210 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Empresa Municipal de Informatica S.A. - IPLANRIO](https://appshunter.io/developer/1236904600) | [Access Run S A](https://appshunter.io/developer/1315300974) |

## What reviewers say

### COR.Rio

[App page](https://appshunter.io/ios/app/corrio/id1478320199)

Stay informed about your daily life in Rio de Janeiro with real-time updates on city events, traffic, weather, and emergencies. Access essential information like support points and health units, all through an intuitive, multi-language interface.

**Highlights:** Real-time incident and emergency alerts, Detailed weather conditions and radar, Live traffic monitoring and road closures, Location of support points and health units, Event schedule and tourist information, Smart route and distance calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Sydel Star

[App page](https://appshunter.io/ios/app/sydel-star/id6747406443)

This smart access control app digitizes entry through your smartphone, making building and parking access secure and automated. Share digital access with friends via personalized invitations and receive notifications when they are used.

**Highlights:** Digital smartphone access, Secure and automated entry, Share digital access with friends, Personalized invitations, Access notifications, Supports various property types

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

**In-app purchases:** none


## Frequently asked questions

### Is COR.Rio free?

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

### Is Sydel Star free?

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

### Do COR.Rio or Sydel Star have ads?

Neither COR.Rio nor Sydel Star shows ads.

### Which is updated more often, COR.Rio or Sydel Star?

COR.Rio ships an update every 5 weeks, and Sydel Star every 2 weeks. Most recently, COR.Rio was updated on October 10, 2026 and Sydel Star on October 7, 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.*