Comparison

Trimm 420 vs YX BLE

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

Head to head
About

Trimm 420

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A rig trim simulation app for small sailing boats like the 420 class. Built in data is for the 420, but can be adapted for similar boats. You can use a note in the Notes app to hold text data for this app and then use copy and paste. Read on the website about the data format.

About

YX BLE

Features
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通过手机蓝牙搜索并连接外围BMS设备,采集外围BMS设备的电池数据。采集的数据有SOH,SOC,总电压,总电流,充放电循环次数,电池各个部位的温度,电池中每个电芯的单体电压,电池产品的保护状态和电池产品某些功能是否正常工作的信息。相关的硬件产品就是带电池管理系统的电池包。 Search and connect to peripheral BMS devices through mobile Bluetooth, and collect battery data of peripheral BMS devices. The collected data includes SOH, SOC, total voltage, total current, number of charging and discharging cycles, temperature of various parts of the battery, individual voltage of each cell in the battery, protection status of the battery product, and information on whether certain functions of the battery product are working properly. The relevant hardware product is a battery protection board with a battery management system.

Screenshots

Trimm 4201 screens
YX BLE4 screens

Verdict

The call

The clearest difference is update cadence: YX BLE at monthly against Trimm 420's every 18 months. Trimm 420's advantage is iOS requirement (11.0 vs 13.0). 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

Trimm 420 ships an update every 18 months, YX BLE monthly. The most recent releases landed on October 26, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 4 level
Trimm 420 versus YX BLE: the parameters behind the verdict, then further details
ParameterTrimm 420YX BLE
PriceFreeFree
Update frequencyEvery 18 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size20 MB44 MB
Age rating4+12+
DeveloperGustav SchubertHunan Ginkgo Data Technology Co., Ltd.

In-app purchases

None

Trimm 420

No in-app purchases

None

YX BLE

No in-app purchases

Questions

Is Trimm 420 free?
Trimm 420 is free to download, with no in-app purchases.
Is YX BLE free?
YX BLE is free to download, with no in-app purchases.
Do Trimm 420 or YX BLE have ads?
Neither Trimm 420 nor YX BLE shows ads.
Which is updated more often, Trimm 420 or YX BLE?
Trimm 420 ships an update every 18 months, and YX BLE monthly. Most recently, Trimm 420 was updated on October 26, 2026 and YX BLE on October 3, 2026.

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