MQTT Loupe

MQTT Loupe

By Jakob Bieling

MQTT Loupe is a free utility for iOS that allows IoT developers to inspect, search, and authenticate MQTT broker traffic.

The App DNA

What makes this app unique?

Engineers hire this tool to debug binary payloads and monitor message traffic without the overhead of complex terminal-based clients.

For IoT developers and engineers who need to monitor, debug, and inspect MQTT message traffic.

What does it look like?

Key features

Full-text Searchedge

Real-time search across all MQTT topics with live updates.

JSON and Binary Inspectionedge

Built-in JSON syntax highlighting and hex viewer for binary payloads.

Security Authenticationstandard

Supports client certificate authentication and server certificate validation.

How much does it cost?

freeFree utility with no mentioned IAP or subscription gates

The app is distributed as a free utility with no observable monetization mechanisms.

Velocity

Dormant developmentUX improvementsShow more...

MQTT Loupe has been inactive for over 650 days, placing it firmly in the zombie category. The last release, which introduced payload search functionality and improved large payload handling, dates back to October 2024. There is no evidence of ongoing development, feature updates, or maintenance cycles since that time.

See all version history

Who built it?

Jakob Bieling

2 apps tracked · Utilities

MQTT Loupe ProMQTT Loupe Pro
Explore the full publisher profile

User Sentiment

What do users think recently?

Review voice lately leans thrilled. Users appreciate thoughtful design of the mqtt client provides users with new ways to manage their brokers.

How are ratings & reviews evolving?

App Store
5.00 · 1

What users say, by theme

What Users Love
  • Thoughtful design of the MQTT client provides users with new ways to manage their brokers

1 of 1 recent reviews analyzed · limited sample

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Competition

Competitive landscape for MQTT Loupe

How's the Utilities market?

MQTT Loupe serves a niche developer segment as a free utility. The lack of updates for 21 months indicates a maintenance-only posture, which limits its ability to compete with actively maintained debugging tools.

Read the market outlook

The rivals identified

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The Analyst's Read

Key takeaways for MQTT Loupe

Where is it heading?

The market for MQTT debugging tools is shifting toward cross-platform, cloud-synced solutions. MQTT Loupe's current maintenance-mode posture leaves it exposed to rivals that offer more frequent updates and better workspace management, which will likely lead to a gradual decline in user engagement.

  • The 21-month update silence suggests the app is in maintenance mode, which limits its ability to respond to new IoT protocol standards.

The SWOT

Core Strengths
  • Built-in hex viewer and JSON highlighting provide immediate utility for binary payload debugging
Critical Frictions 2 weaknesses inside
Growth Levers
  • Adding cloud-sync for broker configurations would differentiate the tool for multi-device users
Market Threats 1 threat identified

Next best moves

1 Invest

Ship broker reordering feature because it is the top-requested user improvement → increase workspace retention

The counter-intuitive read

The app's lack of monetization is its primary competitive advantage…

Read the full take

Since the last report: The competitive assessment shifted from viewing the app's stagnation as a terminal decline to recognizing its value as a free, simple utility that avoids common subscription fatigue.

Bottom line

MQTT Loupe provides a clean, functional interface for MQTT inspection, but the long development hiatus limits its appeal for power users, so the developer should prioritize basic workspace organization to retain the existing user base.

Unlock 2 critical frictions, 1 market threat and the analyst’s take.

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Sources

  1. [1] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by MQTT Loupe, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The competitive assessment shifted from viewing the app's stagnation as a terminal decline to recognizing its value as a free, simple utility that avoids common subscription fatigue.

shifted

Outlook Trend

shifted

Contrarian Take

added

Threat Profile Update

Cite this report

Marlvel.ai. “MQTT Loupe Intelligence Report.” Updated Aug 7, 2026. https://marlvel.ai/apps/mqtt-loupe

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