Comparison

MQTTAnalyzer vs Coolrite EMS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MQTTAnalyzer

Monitor and debug MQTT brokers on your Apple devices. Visualize data with hierarchical views, JSON highlighting, and charts. Publish messages, manage multiple brokers, and sync settings across devices. Free and open source.

Highlights
  • MQTT 3.1.1 and 5.0 support
  • JSON highlighting and pretty-printing
  • Time series charts for numeric values
  • Connect to multiple brokers
  • Full-text search
  • Publish messages
  • iCloud sync
Features
Read full description

Monitor and debug your MQTT broker from iPhone, iPad, or Mac. MQTTAnalyzer is the essential tool for smart home enthusiasts, IoT developers, and anyone working with MQTT-based systems. Free, open source, and no ads. CONNECT WITH CONFIDENCE • MQTT 3.1.1 and MQTT 5.0 support • MQTT and WebSocket connections • SSL/TLS with ALPN and server CA certificate validation • Username/password and client certificate authentication • Support for self-signed certificates • Predefined settings for AWS IoT • Connection diagnostics to identify issues quickly VISUALIZE YOUR DATA • Hierarchical topic tree view • JSON highlighting and pretty-printing • Time series charts for numeric values • ANSI color code rendering • Image viewer with pinch-to-zoom (PNG, JPEG, GIF, WebP, and more) • Hex viewer for binary payloads STAY ORGANIZED • Connect to multiple brokers simultaneously • Subscribe to multiple topics per broker • Full-text search across topics and messages • Unread message indicators • Statistics panel with message counts • Large payload support (10MB+) with export PUBLISH AND CONTROL • Publish messages with QoS and retain flag • JSON message builder with form interface • Delete retained messages from broker • Siri shortcuts for quick actions SYNC ACROSS DEVICES • iCloud sync for settings and certificates • Native experience on iPhone, iPad, and Mac Have feedback or feature requests? Visit our GitHub page — MQTTAnalyzer is open source and community-driven.

About

Coolrite EMS

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
Read full description

Coolrite EMS is a smart refrigeration monitoring and control system designed for commercial coolers and freezers. It provides real-time temperature tracking, AI-based diagnostics, instant alerts, and remote access from anywhere. Key Features: • Real-time monitoring • AI Diagnostics for refrigeration issues • Instant SMS & Email alerts • Remote control access • Works with Coolrite Smart Controller

Screenshots

MQTTAnalyzer4 screens
Coolrite EMS3 screens

Verdict

The call

The clearest difference is rating: Coolrite EMS at 5.0 against MQTTAnalyzer's 4.5. Coolrite EMS also leads on iOS requirement (13.4 vs 18.0). MQTTAnalyzer's advantage is update cadence (every 5 days vs every 31 months) and ratings volume (22 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Coolrite EMS holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: MQTTAnalyzer has 22 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

MQTTAnalyzer ships an update every 5 days, Coolrite EMS every 31 months. The most recent releases landed on September 21, 2026 and June 26, 2026 respectively.

Scorecard4 real differences · 6 level
MQTTAnalyzer versus Coolrite EMS: the parameters behind the verdict, then further details
ParameterMQTTAnalyzerCoolrite EMS
PriceFreeFree
Rating4.5 (22 ratings)5.0 (2 ratings) — better
Positive reviews77.8% of reviews—
Number of ratings22 — better2
Update frequencyEvery 5 days — betterEvery 31 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.013.4 — better
Further details — not scored
Size12 MB14 MB
Age rating4+4+
DeveloperPhilipp ArndtGurjeet Singh

Customer experience

MQTTAnalyzer

All ratings22 ratings
Positive86.4%
Neutral0.0%
Negative13.6%
Written reviews18 reviews
Positive77.8%
Neutral5.6%
Negative16.7%

Coolrite EMS

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MQTTAnalyzer

No in-app purchases

None

Coolrite EMS

No in-app purchases

Questions

Is MQTTAnalyzer free?
MQTTAnalyzer 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, MQTTAnalyzer or Coolrite EMS?
Coolrite EMS is rated higher. MQTTAnalyzer averages 4.5 out of 5 from 22 ratings, while Coolrite EMS averages 5.0 from 2 ratings.
Do MQTTAnalyzer or Coolrite EMS have ads?
Neither MQTTAnalyzer nor Coolrite EMS shows ads.
Which is updated more often, MQTTAnalyzer or Coolrite EMS?
MQTTAnalyzer ships an update every 5 days, and Coolrite EMS every 31 months. Most recently, MQTTAnalyzer was updated on September 21, 2026 and Coolrite EMS on June 26, 2026.

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