Best Cqlt Apps

43+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated June 2026

If you already know MQTTAnalyzer, this is the deeper bench. 43+ cqlt apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Compare top Cqlt Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1MQTTAnalyzerMQTTAnalyzerFree4.6★ (21)NoNoJun 2026
2Caltech Employees FCUCaltech Employees FCUFree2.8★ (8)NoNoJul 2026
3CaltechCaltechFree5.0★ (1)NoNoMay 2026
4Caltech Student ResourcesCaltech Student ResourcesFree5.0★ (1)NoNoMay 2026
5Q CodesQ CodesFree3.7★ (7)YesNoMay 2026
6IoT MQTT PanelIoT MQTT PanelFree4.8★ (37)YesNoJul 2026
7MQTT LoupeMQTT LoupeFreeNoNoMay 2026
8EasyMQTTEasyMQTTFree3.5★ (36)NoYesMay 2026

Top Picks for Cqlt

MQTTAnalyzer#1

MQTTAnalyzer by Philipp Arndt

IoT diagnostics
Editor's Choice
🔧 Utilities
4.6(21 ratings)
Free
MQTTAnalyzer screenshot 1
MQTTAnalyzer screenshot 2
MQTTAnalyzer screenshot 3
MQTTAnalyzer screenshot 4
MQTTAnalyzer screenshot 5
MQTTAnalyzer screenshot 6

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.

Caltech#3

Caltech by cntxts Inc

Catch the Vibe, Find Your Way!
Worth Considering
🗺️ Navigation
5.0(1 ratings)
Free
Caltech screenshot 1
Caltech screenshot 2
Caltech screenshot 3
Caltech screenshot 4
Caltech screenshot 5
Caltech screenshot 6

Navigate campus buildings with smart indoor maps, even without GPS. Find and get directions to campus news, events, and points of interest like restaurants and restrooms.

More Cqlt apps to explore

4
Caltech Student Resources
Caltech Student Resources
Caltech Student Resources
by California Institute of Technology
Free

This app provides Caltech students with easy access to essential resources, including support services, Title IX information, and emergency contacts. It also keeps students updated on the latest campus news and announcements.

Access student support servicesView Title IX resourcesFind emergency contacts
📚 Education
(1)
free
5
Q Codes
Q Codes
Q Codes
by Jonathan Gibbs
Free

Access a comprehensive collection of standardized radiotelegraph communication codes, primarily for amateur radio use. This utility allows for rapid searching and lookup of any Q Code.

Standardized Q Code collectionRadiotelegraph communication codesAmateur radio focus
🔧 Utilities
(7)
ad-supported
6
IoT MQTT Panel
IoT MQTT Panel
IoT MQTT Panel
IoT Dashboard based on MQTT
Free

Create DIY smart home projects quickly with a configurable dashboard. This app supports MQTT and Websocket protocols with SSL for secure communication. It offers real-time updates, customizable panels with over 250 icons, and various data visualization options.

Always-on dashboardMQTT & Websocket supportSSL secure communication
🔧 Utilities
(37)
free with in-app purchases
7
MQTT Loupe
MQTT Loupe
MQTT Loupe
Inspect your MQTT traffic
Free

Inspect MQTT messages exchanged on a broker with this intuitive utility. Connect to brokers, subscribe to topics, and view message details. Features include JSON highlighting, hex viewer, and secure connection options.

Inspect MQTT messagesConnect to any MQTT brokerSubscribe to topics
🔧 Utilities
(0)
free
8
EasyMQTT
EasyMQTT
EasyMQTT
MQTT with Siri Shortcuts
Free

This application acts as an MQTT client for iOS devices, enabling interaction with any MQTT broker. It offers a user-friendly interface for managing home automation setups, controlling devices, and monitoring remote brokers. Advanced features can be unlocked through an in-app purchase.

MQTT client for iOSInteract with any MQTT BrokerHome automation control
📊 Productivity
(36)
free with in-app purchases
9
Caltech Rideshare
Caltech Rideshare
Caltech Rideshare
by California Institute of Technology
Free
✈️ Travel
(0)
10
MyMQTT
MyMQTT
MyMQTT
The professional MQTT client
Free

This professional client facilitates communication with MQTT brokers, supporting versions 3.1.1 and 5.0. It allows users to subscribe to topics, publish messages, and view detailed message metadata. Features include payload formatting, SSL support, and both dark and light modes.

Connect to MQTT v3.1.1 and v5.0 BrokersSubscribe and publish messagesShow message details and metadata
🛠️ Developer Tools
(1)
free with in-app purchases
11
AFOQT 2026: Ultimate Prep
AFOQT 2026: Ultimate Prep
AFOQT 2026: Ultimate Prep
Secure Your Dream Job
Free

Prepare for the Air Force Officer Qualifying Test with realistic practice tests, flashcards, and detailed analytics. Study smarter for Pilot, CSO, ABM, and Academic Aptitude scores to build confidence for test day.

Full-length AFOQT practice testsSection-by-section trainingSmart AFOQT flashcards
📚 Education
(18)
free with in-app purchases
12
MQTT Probe
MQTT Probe
MQTT Probe
by Praharsh Kalliyatt Panoli
Free

This utility app helps test MQTT connections for IoT devices and mobile applications. It allows users to connect to MQTT servers, publish and subscribe to messages, and save connection details and topics for easy recall. It's designed for debugging MQTT connections.

Connect to MQTT serversPublish messages with QoS controlSubscribe to messages
🔧 Utilities
(4)
free
13
NASA Selfies
NASA Selfies
NASA Selfies
by Jet Propulsion Laboratory
Free

Transform your photos into cosmic portraits by placing yourself in a virtual spacesuit against stunning NASA imagery. Share your creations on social media and discover the scientific stories behind the captivating visuals.

Virtual spacesuit photo editorOverlay photos on NASA space imagesShare creations on social media
📚 Education
(55)
free
14
Pasadena Star-News
Pasadena Star-News
Pasadena Star-News
by MediaNews Group
Free

Access personalized news, save articles for later, and customize push notifications. Enjoy a digital replica of the daily newspaper and read content offline. Navigate easily with a top bar and swipe gestures.

Personalized news recommendationsSave articles for later readingCustomizable push notifications
📡 News
(85)
free with in-app purchases
15
AMQPclient
AMQPclient
AMQPclient
by Luca Ceci
Free
📊 Productivity
(0)
16
JCSys Reference
JCSys Reference
JCSys Reference
by Graeme Watson
Free

This application provides a comprehensive reference for Tactical Data Links (TDL) and MODAF. It includes detailed catalogues for Link 11, Link 16, and Link 22 messages, along with network participation group information and an acronym finder.

Link 11 message catalogueLink 16 message catalogueLink 16 NPG list
🔍 Reference
(5)
free
17
ICPDAS MQTT
ICPDAS MQTT
ICPDAS MQTT
by ICP DAS CO., LTD.
Free

This utility app acts as a client for the MQTT protocol, enabling connections to MQTT brokers. It allows users to subscribe to topics and publish messages, and can retrieve real-time data from specific hardware modules.

MQTT client functionalityConnect to MQTT brokersSubscribe to topics
🔧 Utilities
(1)
free
18
Sec MQTT Pub
Sec MQTT Pub
Sec MQTT Pub
TLS X.509 MQTT Publisher
Free

This app provides a secure MQTT client for communicating with IoT devices using X.509 authentication and AES-128 encryption. It allows for customized messages and topics, offering a robust solution for secure IoT project communication.

X.509 authenticationRoot CA authentication supportAES-128 encryption
🔧 Utilities
(1)
free
19
MQTT-IOT
MQTT-IOT
MQTT-IOT
Smart IoT Solutions
Free
🌟 Lifestyle
(0)
20
LINQ QONNECT
LINQ QONNECT
LINQ QONNECT
QONNECT mobile app
Free
📊 Productivity
(0)

FAQ about Cqlt

What are the best cqlt apps for iPhone?
MQTTAnalyzer tops our cqlt apps ranking as of June 2026, with a 4.6-star average from 21 App Store ratings, and it's free to download.
Yes — 20 of the top cqlt apps we rank are free to download, including MQTTAnalyzer and Caltech Employees FCU.
MQTTAnalyzer has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 43+ cqlt apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
MQTTAnalyzer is available on iPhone, iPad, and Mac. It offers a native experience across all supported Apple devices.
MQTTAnalyzer supports both MQTT 3.1.1 and MQTT 5.0 protocols. It also supports MQTT and WebSocket connections.

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