MQTT Loupe vs i4tech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MQTT Loupe
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 messages
- Connect to any MQTT broker
- Subscribe to topics
- Full-text search across topics
- JSON highlighting
- Hex viewer for binary payloads
- Secure connection options
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MQTT Loupe is an intuitive utility to inspect MQTT messages exchanged on an MQTT broker. Connect to any public or local MQTT broker, subscribe to topics and view details of messages being transmitted. Don't remember that one message or topic? Fire up the search to find it instantly using full-text search through all topics, and results updating live with new hits appearing as they arrive. With built-in JSON highlighting, this app is perfect for monitoring Zigbee2Mqtt. And if you need to work with binary message payloads, the built-in hex viewer has you covered. Got frequently used topics that are further down the hierarchy? Make them favorites for easy and instant access. Concerned about security? Let the server's certificate be validated before connecting; you don't have to allow insecure connections based on untrusted certificates. Need more? Provide a client certificate to authenticate yourself against the server. All features in a nutshell: - clean and simple interface - hierarchical topic view - sidebar with history of recently opened topics - powerful full-text search capabilities across all topics and for a single message - search results are automatically updated when new messages arrive - extended message details, with proper formatting and syntax highlighting of JSON messages - support for binary message payloads, displayed as either ISO Latin-1 or in a hex view - easily copy any topic or message value - authentication with username/password or client certificates - connect over MQTT or WebSocket protocol - support for MQTT 3.1.1 and MQTT 5 - support for SSL/TLS - support for the Server Name Indication (SNI) TLS extension - support for self-signed certificates - full server certificate validation - manage and connect multiple brokers at once - full support for quality of service
i4tech
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App control home devices using iot technology
Screenshots
Verdict
The clearest difference is update cadence: i4tech at every 8 days against MQTT Loupe's every 3 weeks. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MQTT Loupe ships an update every 3 weeks, i4tech every 8 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.
| Parameter | MQTT Loupe | i4tech |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 6 MB | 32 MB |
| Age rating | 4+ | 17+ |
| Developer | Jakob Bieling | Ahmed Gamal |
In-app purchases
MQTT Loupe
No in-app purchases
i4tech
No in-app purchases









