# SISCORAR vs Barblock Rastreamento

The clearest difference is update cadence: Barblock Rastreamento at every 5 months against SISCORAR's every 12 months. SISCORAR's advantage is iOS requirement (13.0 vs 15.0). 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.

SISCORAR ships an update every 12 months, Barblock Rastreamento every 5 months. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SISCORAR | Barblock Rastreamento |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 723 MB | 109 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Centro de Hidrografia da Marinha](https://appshunter.io/developer/1532680426) | [Eliseu Pompeo](https://appshunter.io/developer/1615148442) |

## What reviewers say

### SISCORAR

[App page](https://appshunter.io/ios/app/siscorar/id1532680424)

This mobile application provides offline tide current predictions for specific coastal areas in Brazil. It offers interactive visualizations of currents, allowing users to adjust speed and thickness, and supports GPS positioning. Predictions can be generated for dates ranging from 1500 to 2500.

**Highlights:** Offline functionality, Predictive forecasting (1500-2500), Interactive current visualization, Adjustable current speed and thickness, GPS positioning, Day/Night modes

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

**In-app purchases:** none


### Barblock Rastreamento

[App page](https://appshunter.io/ios/app/barblock-rastreamento/id1621908650)

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

**In-app purchases:** none


## Frequently asked questions

### Is SISCORAR free?

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

### Is Barblock Rastreamento free?

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

### Do SISCORAR or Barblock Rastreamento have ads?

Neither SISCORAR nor Barblock Rastreamento shows ads.

### Which is updated more often, SISCORAR or Barblock Rastreamento?

SISCORAR ships an update every 12 months, and Barblock Rastreamento every 5 months. Most recently, SISCORAR was updated on September 30, 2026 and Barblock Rastreamento on October 15, 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.*