Comparison

Stopwatch HM vs UOOK BMS

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

Head to head

UOOK ELECTRONICS INC.

Free

🔧 Utilities

No ratingsView app →

About

Stopwatch HM

Features

Read full description

Stopwatch for hundreds of minutes, seconds and hundredths of seconds Features: • Hundredths of a minute • Seconds • Hundredths of a second • 99 lap times • Send recording by e-mail

About

UOOK BMS

Features

Read full description

UOOK BMS is a battery management mobile application developed and designed by UOOK Electronics. After you purchase the BMS battery product sold by UOOK, you can use UOOK BMS to connect to the battery to obtain real-time and reliable battery information and understand the working of the battery. condition and health. UOOK BMS supports advanced parameter settings. After setting your battery cell specification parameters, the BMS controller can automatically set all BMS basic protection conditions, or you can manually set each parameter or choose to load the battery standard parameters. For information on UOOK Electronics related products, please visit www.uookelec.com or contact sales@uookelec.com via email. Thank you very much for your attention.

Screenshots

Stopwatch HM2 screens

UOOK BMS3 screens

Verdict

The call

The clearest difference is price: UOOK BMS at Free against Stopwatch HM's $0.99. UOOK BMS also leads on update cadence (weekly vs every 12 months). Stopwatch HM's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On ads and in-app purchases 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

UOOK BMS is free to download; Stopwatch HM costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Stopwatch HM ships an update every 12 months, UOOK BMS weekly. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

Scorecard4 real differences · 2 level

Stopwatch HM versus UOOK BMS: the parameters behind the verdict, then further details
Parameter	Stopwatch HM	UOOK BMS
Price	$0.99	Free — better
Update frequency	Every 12 months	Weekly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	13.0 — better	16.4
Further details — not scored
Size	2 MB	6 MB
Age rating	4+	4+
Developer	Rainer Nocker	SYSCODE INTERNATIONAL INC.

In-app purchases

None

Stopwatch HM

No in-app purchases

None

UOOK BMS

No in-app purchases

Questions

Is Stopwatch HM free?

Stopwatch HM costs $0.99, with no in-app purchases.

Is UOOK BMS free?

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

Do Stopwatch HM or UOOK BMS have ads?

Neither Stopwatch HM nor UOOK BMS shows ads.

Which is updated more often, Stopwatch HM or UOOK BMS?

Stopwatch HM ships an update every 12 months, and UOOK BMS weekly. Most recently, Stopwatch HM was updated on September 21, 2026 and UOOK BMS on September 9, 2026.