Comparison

GSL Smart ESS vs Tkding

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

Head to head

About

GSL Smart ESS

Features

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GSL Energy provides monitoring solutions for various high and low voltage battery system devices, supporting battery systems, residential energy storage, and commercial and industrial energy storage systems.

About

Tkding

Features

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This application connects to our Taekwondo electronic body protector equipment via Bluetooth, receives striking data in real time, and updates the score instantly. After a strike, the system automatically determines whether the red or blue side scores, and the points are dynamically displayed on the app interface. The app is suitable for Taekwondo matches and training scenarios.

Screenshots

GSL Smart ESS4 screens

Tkding3 screens

Verdict

The call

GSL Smart ESS and Tkding are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

GSL Smart ESS ships an update every 9 months, Tkding every 4 months. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

ScorecardNo meaningful differences

GSL Smart ESS versus Tkding: the parameters behind the verdict, then further details
Parameter	GSL Smart ESS	Tkding
Price	Free	Free
Update frequency	Every 9 months	Every 4 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	15.6	15.6
Further details — not scored
Size	37 MB	1 MB
Age rating	4+	4+
Developer	SHENZHEN GSL ENERGY CO LTD	腾浩黄

In-app purchases

None

GSL Smart ESS

No in-app purchases

None

Tkding

No in-app purchases

Questions

Is GSL Smart ESS free?

GSL Smart ESS is free to download, with no in-app purchases.

Is Tkding free?

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

Do GSL Smart ESS or Tkding have ads?

Neither GSL Smart ESS nor Tkding shows ads.

Which is updated more often, GSL Smart ESS or Tkding?

GSL Smart ESS ships an update every 9 months, and Tkding every 4 months. Most recently, GSL Smart ESS was updated on October 2, 2026 and Tkding on October 12, 2026.