Comparison

LDT ETU vs ArcRayo闪弧

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

Head to head

About

LDT ETU

Features

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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

ArcRayo闪弧

Features

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ArcRayo FlashArc is the official iOS companion app for ArcRayo spider power meters. Connect your ArcRayo power meter over Bluetooth BLE and view real-time metrics including cycling power, cadence, left-right pedaling balance, device temperature and battery status. The app supports zero offset calibration and temperature compensation to guarantee measurement precision. You can run DFU firmware updates on your iPhone to keep your power meter optimized with improved performance.

Screenshots

LDT ETU4 screens

ArcRayo闪弧4 screens

Verdict

The call

LDT ETU and ArcRayo闪弧 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ScorecardNo meaningful differences

LDT ETU versus ArcRayo闪弧: the parameters behind the verdict, then further details
Parameter	LDT ETU	ArcRayo闪弧
Price	Free	Free
Update frequency	Every 6 weeks	—
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	13.0	13.0
Further details — not scored
Size	39 MB	24 MB
Age rating	12+	4+
Developer	永良李	Dongguan Youcai Electronics Co., Ltd.