Comparison

39Tools vs MQTT Checker

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

39Tools

Features
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39Tools is a application that integrates SSH,MYSQL,TCP,UDP,MQTT,BLE,Video and other debugging tools.

About

MQTT Checker

Features
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MQTT Checker is an amazingly simple application that quickly checks MQTT connections. This app helps users swiftly verify their ability to connect to MQTT servers. Users can easily input essential information such as ServerUrl or IP and ServerPort, and optionally configure ClientID, Broker Name, Topic, and Message. Key Features: Swift MQTT Server Connection Verification: MQTT Checker swiftly confirms the ability to connect to MQTT servers by allowing users to input ServerUrl or IP and ServerPort through a user-friendly interface. Additional Configuration Options: Optionally set ClientID, Broker Name, Topic, and Message to tailor MQTT connection tests to your preferences. Concise Notifications: Upon successful connection to the MQTT server, clear and concise notifications inform users. Error Messages on Failure: In case of failed MQTT server connections, display error messages to quickly identify issues.

Screenshots

39Tools4 screens
MQTT Checker4 screens

Verdict

The call

The clearest difference is update cadence: MQTT Checker at monthly against 39Tools's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

39Tools ships an update every 9 months, MQTT Checker monthly. The most recent releases landed on October 27, 2026 and October 12, 2026 respectively.

Scorecard1 real difference ยท 5 level
39Tools versus MQTT Checker: the parameters behind the verdict, then further details
Parameter39ToolsMQTT Checker
PriceFreeFree
Update frequencyEvery 9 monthsMonthly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.012.0
Further details โ€” not scored
Size112 MB38 MB
Age rating4+4+
Developer็ญ– ็Ž‹DreamNexus

In-app purchases

None

39Tools

No in-app purchases

None

MQTT Checker

No in-app purchases

Questions

Is 39Tools free?
39Tools is free to download, with no in-app purchases.
Is MQTT Checker free?
MQTT Checker is free to download, with no in-app purchases.
Do 39Tools or MQTT Checker have ads?
Neither 39Tools nor MQTT Checker shows ads.
Which is updated more often, 39Tools or MQTT Checker?
39Tools ships an update every 9 months, and MQTT Checker monthly. Most recently, 39Tools was updated on October 27, 2026 and MQTT Checker on October 12, 2026.

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