Comparison

TET LITHIUM vs Sentry BLE

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

Head to head

About

TET LITHIUM

Features

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T.E.T Lithium APP, your ultimate companion for monitoring the status of your Lithium Starting battery and BMS parameters.With cutting-edge technology, including the innovative JUMP START feature, it ensures your batteries stay active and responsive, ready to spring into action even when the BMS low Voltage protection is triggered. All of the datas can be showed on mobile through bluetooth.

About

Sentry BLE

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This application is a configuration tool for Vision Metering GLS005 MIU. Unauthorized use is strictly prohibited.

Screenshots

TET LITHIUM3 screens

Sentry BLE4 screens

Verdict

The call

The clearest difference is update cadence: Sentry BLE at every 6 weeks against TET LITHIUM's every 32 months. TET LITHIUM's advantage is iOS requirement (9.0 vs 13.1). 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

TET LITHIUM ships an update every 32 months, Sentry BLE every 6 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level

TET LITHIUM versus Sentry BLE: the parameters behind the verdict, then further details
Parameter	TET LITHIUM	Sentry BLE
Price	Free	Free
Update frequency	Every 32 months	Every 6 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	9.0 — better	13.1
Further details — not scored
Size	7 MB	66 MB
Age rating	4+	4+
Developer	宇文钟	Vision Metering

In-app purchases

None

TET LITHIUM

No in-app purchases

None

Sentry BLE

No in-app purchases

Questions

Is TET LITHIUM free?

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

Is Sentry BLE free?

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

Do TET LITHIUM or Sentry BLE have ads?

Neither TET LITHIUM nor Sentry BLE shows ads.

Which is updated more often, TET LITHIUM or Sentry BLE?

TET LITHIUM ships an update every 32 months, and Sentry BLE every 6 weeks. Most recently, TET LITHIUM was updated on October 27, 2026 and Sentry BLE on October 30, 2026.