# CASI vs ismrt

The clearest difference is review sentiment: CASI at 76% against ismrt's 14%. CASI also leads on rating (4.8 vs 3.0) and device support (4 vs 2). ismrt's advantage is update cadence (every 2 weeks vs every 6 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

CASI holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 10 and 4 respectively. Written reviews point the same way: 76% of CASI's written reviews are positive against 14% of ismrt's.

CASI ships an update every 6 months, ismrt every 2 weeks. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CASI | ismrt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/casi/id1107654649/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/ismrt/id1531723310/reviews) |
| Number of ratings | **10** | 4 |
| Positive reviews | **76.2% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 57 MB | 59 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Limitless Virtual Pty Ltd](https://appshunter.io/developer/922842180) | [METRONOMIC (PTY) LTD](https://appshunter.io/developer/1531723312) |

## 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


### ismrt

[App page](https://appshunter.io/ios/app/ismrt/id1531723310)

Manage your utility accounts with this app. View balances, set low balance alerts for electricity, water, and gas, and track sanitation charges. Download invoices and statements, and access usage guides to help manage your budget.

**Highlights:** View utility balances, Low balance notifications, Track sanitation charges, Download invoices and statements, Budget management tools

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CASI free?

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

### Is ismrt free?

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

### Which has better reviews, CASI or ismrt?

CASI is rated higher. CASI averages 4.8 out of 5 from 10 ratings, while ismrt averages 3.0 from 4 ratings.

### Do CASI or ismrt have ads?

Neither CASI nor ismrt shows ads.

### Which is updated more often, CASI or ismrt?

CASI ships an update every 6 months, and ismrt every 2 weeks. Most recently, CASI was updated on September 24, 2026 and ismrt 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.*