MqttClient vs Frog Otto
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MqttClient
This utility app provides a fast client for MQTT, the internet of things protocol. It allows users to test broker servers, monitor topics, send and receive messages, and save configurations for quick access. It's designed for testing MQTT broker activities.
- MQTT client functionality
- Broker server testing
- Topic monitoring
- Send and receive messages
- Save configurations
- User/password authentication
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A simple and fast client for Mqtt, the "internet of things protocol" It can be use for test your Broker server , check if the broker it's online, check your topics. You can send messages and read messages from a topic, you can set user, password, client id, topic, port and server ip. You can save a configuration for fast test. The tool it's made for test activities on Mqtt server Broker, no SSL support at now. Don't insert in HOST "tcp://" only host name or ip
Frog Otto
Control a biped robot using a Bluetooth 4.0 connection. This application allows for a variety of actions to be performed by the robot through its interface.
- Bluetooth 4.0 connectivity
- Control biped robot actions
- Variety of button controls
- Robot movement customization
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This is a Bluetooth APP (4.0) for controlling FrogOtto's biped robot. More buttons can make FrogOtto achieve a variety of actions.
Screenshots
Verdict
The clearest difference is rating: Frog Otto at 5.0 against MqttClient's 1.0. Frog Otto also leads on update cadence (every 3 weeks vs every 10 months) and device support (3 vs 1). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Frog Otto holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
MqttClient ships an update every 10 months, Frog Otto every 3 weeks. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.
| Parameter | MqttClient | Frog Otto |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 10 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Luca Ceci | 克俭 左 |
Customer experience
MqttClient
Frog Otto
In-app purchases
MqttClient
No in-app purchases
Frog Otto
No in-app purchases
