MQTTAnalyzer vs LensDex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
LensDex
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LensDex — Built for trainers. LensDex is your shortcut to powerful in-game searches. Create plain-language filters, arrange them on a custom keyboard, and paste complex queries with a single tap. Designed for games like Pokémon GO. FEATURES • Build filters with advanced search queries • Organize filters into keyboard layouts • Insert complex searches with a single tap • Choose from 6 themes to customize your experience • Share filters and layouts via link • Search library with 600+ pre-made entries • Spotlight integration for quick access PRIVACY • Everything stored on-device with optional iCloud sync • No Full Access keyboard permission required • No ads, tracking, or analytics transmission • Open source and transparent IMPORTANT: LensDex is a third-party fan-made app not affiliated with, endorsed by, or connected to The Pokémon Company, Niantic, or Nintendo. It does not access, modify, or interact with game data. LensDex is a standalone keyboard utility that helps you type faster. LensDex works with any app that has text input. It's a keyboard extension, not a game modification or cheat tool.
Screenshots
Verdict
The clearest difference is price: MQTTAnalyzer at Free against LensDex's $2.99. MQTTAnalyzer also leads on device support (3 vs 1) and iOS requirement (18.0 vs 26.0). LensDex's advantage is update cadence (every 2 days vs every 5 days). On ads and in-app purchases 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
MQTTAnalyzer is free to download; LensDex costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MQTTAnalyzer ships an update every 5 days, LensDex every 2 days. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.
| Parameter | MQTTAnalyzer | LensDex |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.5 (23 ratings) — better | — |
| Positive reviews | 80.9% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 5 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac — better | iPhone |
| Requires iOS | 18.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 12 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Philipp Arndt | Danny Hollek |
In-app purchases
MQTTAnalyzer
No in-app purchases
LensDex
No in-app purchases









