Comparison

LDT ETU vs FireStoneSystem

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

Head to head

Bluetooth control for your toy

Free

🔧 Utilities

No ratingsView app →

About

LDT ETU

Features

Read full description

LDT ETU是由LDT WARGAME出品的用于管理LDT ETU PRO版本的玩具枪芯片的蓝牙管理程序，可以通过手机蓝牙随时随地设置功能和查看统计数据。

About

FireStoneSystem

Features

Read full description

FireStoneSystem is a companion app for the control chip built into your toy. Connect over Bluetooth to check its status and adjust its settings. Features · Device list with multi-device management and automatic reconnection · Live status view with a customizable HUD layout · Settings for the built-in control chip · Calculators for cylinder-to-barrel ratio and theoretical rate of fire, with result cards you can save or share · Account features: sign-in, message center, in-app support tickets and account deletion · Available in six languages No hardware at hand? Launch the app in demo mode and browse every page freely.

Screenshots

LDT ETU4 screens

FireStoneSystem3 screens

Verdict

The call

The clearest difference is update cadence: LDT ETU at every 4 weeks against FireStoneSystem's every 7 months. 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

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

LDT ETU ships an update every 4 weeks, FireStoneSystem every 7 months. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.

Scorecard1 real difference · 5 level

LDT ETU versus FireStoneSystem: the parameters behind the verdict, then further details
Parameter	LDT ETU	FireStoneSystem
Price	Free	Free
Update frequency	Every 4 weeks — better	Every 7 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	47 MB	56 MB
Age rating	12+	4+
Developer	永良李	Dalian Xiangzi Technology Co., Ltd.

In-app purchases

None

LDT ETU

No in-app purchases

None

FireStoneSystem

No in-app purchases

Questions

Is LDT ETU free?

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

Is FireStoneSystem free?

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

Do LDT ETU or FireStoneSystem have ads?

Neither LDT ETU nor FireStoneSystem shows ads.

Which is updated more often, LDT ETU or FireStoneSystem?

LDT ETU ships an update every 4 weeks, and FireStoneSystem every 7 months. Most recently, LDT ETU was updated on September 9, 2026 and FireStoneSystem on September 11, 2026.