# CASI vs Fluss +

The clearest difference is update cadence: Fluss + at every 3 weeks against CASI's every 6 months. CASI's advantage is review sentiment (76% vs 60%) and iOS requirement (12.4 vs 15.6). 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.

CASI ships an update every 6 months, Fluss + every 3 weeks. The most recent releases landed on September 24, 2026 and June 23, 2026 respectively.

## The numbers

| Metric | CASI | Fluss + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/casi/id1107654649/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | **76.2% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 57 MB | 18 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Limitless Virtual Pty Ltd](https://appshunter.io/developer/922842180) | [Fluss Technologies (PTY) LTD](https://appshunter.io/developer/1706095659) |

## What reviewers say

### CASI

[App page](https://appshunter.io/ios/app/casi/id1107654649)

This app provides immediate assistance during emergencies by sending urgent alerts to a control room, which then dispatches the nearest qualified responder. It connects users to a network of over 400 verified service providers for armed response, medical aid, and roadside assistance.

**Highlights:** Instant emergency alerts, Connects to qualified responders, Network of 400+ service providers, Armed response, Medical response, Roadside assistance, Responder performance tracking

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Fluss +

[App page](https://appshunter.io/ios/app/fluss-plus/id6476973781)

Transform your iPhone into a secure digital key for electronic gates, garage doors, and other motorized access points. Control access remotely via Bluetooth or WiFi and grant or revoke permissions for multiple users. Enhance security for residential complexes and manage guest access seamlessly.

**Highlights:** Digital key for electronic motors, Bluetooth and WiFi connectivity, Grant and revoke user access, Secure access for residential complexes, Guest invitation and tracking, Remote control of gates and garage doors

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CASI free?

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

### Is Fluss + free?

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

### Do CASI or Fluss + have ads?

Neither CASI nor Fluss + shows ads.

### Which is updated more often, CASI or Fluss +?

CASI ships an update every 6 months, and Fluss + every 3 weeks. Most recently, CASI was updated on September 24, 2026 and Fluss + on June 23, 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.*