Comparison

MAP BMS vs UCar Unitel

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

Head to head

Hai Di

About

MAP BMS

Features

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1. The uniqueness of the Bluetooth name ensures that the user can accurately connect and manage the corresponding lithium battery pack. 2. The information visualization query management of the battery can be carried out, and the user can query the relevant status of each string of battery packs, and replace or maintain the abnormal battery. 3. Security setting and reading battery protection parameters, users can set parameters and need to enter a password to modify the parameters. 4. Monitor battery failure alarms and display the current battery failures and the number of failures.

About

UCar Unitel

Features

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- Tracking car location via OBD on the mobile. - Travel monitoring - Warning then the car has a collision and vibration - Trip statistics

Screenshots

MAP BMS4 screens

UCar Unitel4 screens

Verdict

The call

The clearest difference is update cadence: UCar Unitel at monthly against MAP BMS's every 13 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

MAP BMS ships an update every 13 months, UCar Unitel monthly. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

Scorecard1 real difference · 5 level

MAP BMS versus UCar Unitel: the parameters behind the verdict, then further details
Parameter	MAP BMS	UCar Unitel
Price	Free	Free
Update frequency	Every 13 months	Monthly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	11.0	11.0
Further details — not scored
Size	48 MB	109 MB
Age rating	4+	4+
Developer	Haidi Energy Tehcnogy Co., Ltd	STAR TELECOM Co; LTD

In-app purchases

None

MAP BMS

No in-app purchases

None

UCar Unitel

No in-app purchases

Questions

Is MAP BMS free?

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

Is UCar Unitel free?

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

Do MAP BMS or UCar Unitel have ads?

Neither MAP BMS nor UCar Unitel shows ads.

Which is updated more often, MAP BMS or UCar Unitel?

MAP BMS ships an update every 13 months, and UCar Unitel monthly. Most recently, MAP BMS was updated on September 17, 2026 and UCar Unitel on September 10, 2026.