Comparison

STJ79 vs GuardTune

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

Head to head

Anti-Crush Radar Config Tool

Free

🔧 Utilities

No ratingsView app →

About

STJ79

Features

Read full description

本应用用于我司道闸雷达的调试，主要功能如下： 1. 雷达参数读取、设置 2.雷达固件升级 3.雷达目标信息查看 4.Wi-Fi/BLE参数读取、设置

About

GuardTune

Features

Read full description

79G Radar Assistant makes it easy to configure barrier safety radar devices. Connect to your radar via Bluetooth without cables or complicated setup, and manage key settings directly from your phone. Adjust the scanning range to focus on the areas that matter and fine-tune sensitivity for different environments and needs. The intuitive interface makes each adjustment straightforward. View real-time feedback and device status as you make changes, helping you stay informed throughout the setup process. Whether you are setting up a radar for the first time or refining an existing installation, 79G Radar Assistant offers a convenient and efficient way to get the job done.

Screenshots

STJ793 screens

GuardTune3 screens

Verdict

The call

The clearest difference is iOS requirement: GuardTune at 13.0 against STJ79's 15.6. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

STJ79 ships an update every 4 months, GuardTune every 3 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 5 level

STJ79 versus GuardTune: the parameters behind the verdict, then further details
Parameter	STJ79	GuardTune
Price	Free	Free
Update frequency	Every 4 months	Every 3 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.6	13.0 — better
Further details — not scored
Size	14 MB	164 MB
Age rating	4+	4+
Developer	亚男杨	Shenzhen Daozhixing Technology Co., Ltd

In-app purchases

None

STJ79

No in-app purchases

None

GuardTune

No in-app purchases

Questions

Is STJ79 free?

STJ79 is free to download, with no in-app purchases.

Is GuardTune free?

GuardTune is free to download, with no in-app purchases.

Do STJ79 or GuardTune have ads?

Neither STJ79 nor GuardTune shows ads.

Which is updated more often, STJ79 or GuardTune?

STJ79 ships an update every 4 months, and GuardTune every 3 months. Most recently, STJ79 was updated on October 4, 2026 and GuardTune on October 2, 2026.