# REDCALL vs Sisbr

The clearest difference is review sentiment: REDCALL at 75% against Sisbr's 40%. REDCALL also leads on iOS requirement (6.1 vs 13.0). Sisbr's advantage is update cadence (fortnightly vs every 4 months). 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.

REDCALL ships an update every 4 months, Sisbr fortnightly. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | REDCALL | Sisbr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sisbr/id6523436877/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **75.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 6 MB | 77 MB |
| Requires iOS | **6.1** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Segware do Brasil Ltda](https://appshunter.io/developer/646541959) | [Sicoob](https://appshunter.io/developer/416696409) |

## What reviewers say

### REDCALL

[App page](https://appshunter.io/ios/app/redcall/id646541956)

This app allows users to register trusted contacts who will be alerted in emergencies. With a single tap, it can notify a security company and your registered users, sharing your location for enhanced safety and discretion.

**Highlights:** Emergency contact registration, One-touch emergency activation, Security company notification, Location sharing, Discreet alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### Sisbr

[App page](https://appshunter.io/ios/app/sisbr/id6523436877)

This app provides secure and agile access to essential Sicoob back-office solutions. It allows users to manage documents, workflows, and learning paths, streamlining daily tasks with mobile convenience.

**Highlights:** Document proposal and analysis, Workflow and internal process management, Access to learning paths, Agile daily task execution, Secure mobile access

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

**In-app purchases:** none


## Frequently asked questions

### Is REDCALL free?

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

### Is Sisbr free?

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

### Do REDCALL or Sisbr have ads?

Neither REDCALL nor Sisbr shows ads.

### Which is updated more often, REDCALL or Sisbr?

REDCALL ships an update every 4 months, and Sisbr fortnightly. Most recently, REDCALL was updated on October 8, 2026 and Sisbr on October 13, 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.*