# Sitrad vs Coolrite EMS

The clearest difference is rating: Coolrite EMS at 5.0 against Sitrad's 3.2. Sitrad's advantage is update cadence (every 6 weeks vs every 31 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.

Coolrite EMS holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Sitrad ships an update every 6 weeks, Coolrite EMS every 31 months. The most recent releases landed on September 21, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | Sitrad | Coolrite EMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/sitrad/id538790187/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/coolrite-ems/id6468810662/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 31 months |
| Monetization | Free | Free |
| Size | 27 MB | 14 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Full Gauge Controls](https://appshunter.io/developer/538790610) | [Gurjeet Singh](https://appshunter.io/developer/1710586156) |

## What reviewers say

### Sitrad

[App page](https://appshunter.io/ios/app/sitrad/id538790187)

Remotely manage and monitor industrial, commercial, and residential systems like cold rooms and air conditioning. Continuously evaluate, configure, and store data such as temperature and humidity, with the ability to modify parameters from anywhere via the internet.

**Highlights:** Remote system administration, Modify controller variables and functions, Monitor temperature, humidity, time, pressure, voltage, Generate graphs and reports, Receive warning messages, Manage unlimited control points

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

**In-app purchases:** none


### Coolrite EMS

[App page](https://appshunter.io/ios/app/coolrite-ems/id6468810662)

Monitor and control commercial refrigeration units remotely. Receive instant alerts for temperature changes and AI-driven diagnostics to prevent issues.

**Highlights:** Real-time temperature tracking, AI-based diagnostics, Instant SMS & Email alerts, Remote control access, Works with Coolrite Smart Controller

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sitrad free?

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

### Is Coolrite EMS free?

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

### Which has better reviews, Sitrad or Coolrite EMS?

Coolrite EMS is rated higher. Sitrad averages 3.2 out of 5 from 5 ratings, while Coolrite EMS averages 5.0 from 2 ratings.

### Do Sitrad or Coolrite EMS have ads?

Neither Sitrad nor Coolrite EMS shows ads.

### Which is updated more often, Sitrad or Coolrite EMS?

Sitrad ships an update every 6 weeks, and Coolrite EMS every 31 months. Most recently, Sitrad was updated on September 21, 2026 and Coolrite EMS on June 26, 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.*