Comparison

ZESS C vs TKD Hub

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

Head to head
About

ZESS C

Features
Read full description

ZEMITA E-Sparring System (ZESS) measures and competes the speed, the power, and the reaction speed of your kicking and punching, using various target sensors, Bluetooth transmitter and various mobile apps. The system allows men and women of all ages to spar with fun without any danger of injury. 1) SPEED - It has 3 modes, Time, Count and Mixed mode. -Time mode: you can measure or competes how many you hit during the set rounds. -Count mode: you can measure or competes how fast you count down the set ‘Count’ number to 0 regardless of the set rounds. -Mixed mode: it is another version of ‘Count mode’ + time (round) limit. It shows ‘Success’ or ‘Fail’. 2) REACTION - it has 2 modes, Speed mode and Time mode. - Speed mode measures and competes how fast you react (touch, punch or kick) to the signals, sound and light from the display. -Time mode measures how accurately you hit the set time. 3) BREAKING - it is a dedicated game for ZESS E-Breaking Boards - it has 3 modes, Pine board, Tile board and Marble board - it measures the power of breaking. - you need to hit the target sensor right in the center of ZESS E-Breaking Board. - Please be careful of injury. 4) Challenge - it has 2 modes, Height and Mission mode. - Height mode: it is a game for jumping high kick. If a target sensor is hit, it shows Pass. - Mission mode: You can write the special mission to show on screen. And if the sensor is hit, it shows ‘Pass’ or ‘Fail’. For example, "Smashing my laziness"

About

TKD Hub

This app consolidates Taekwondo events and athlete rankings from various platforms into a single, user-friendly interface. Discover competitions, track rankings, and receive timely notifications without needing an account. It's designed for athletes, parents, and coaches.

Highlights
  • Browse Taekwondo competitions
  • Filter events by country and type
  • View athlete rankings and seedings
  • Save favorite events and rankings
  • Receive event and ranking notifications
  • No account required
  • Ad-free and tracking-free experience
Read full description

TKD Hub – All Taekwondo Events and Rankings in One Place Tired of checking multiple websites to find upcoming Taekwondo competitions? TKD Hub brings events from different platforms together so you can browse everything in one app. Follow overall athlete rankings and personalize the categories and divisions you care about most for quick access anytime. BROWSE EVENTS • View competitions from World Taekwondo, TPSS, MartialEvents • Filter by country, event type (Kyorugi, Poomsae, Para), or date • See event details, categories, and participant lists • View source event via original platform for registration and documents RANKINGS & SEEDING • View athlete rankings and event seedings directly inside event categories • Explore athletes rankings • Track rankings across weight categories you compete in STAY ORGANIZED • Save competitions to your Favorites for quick access • Set your preferred country to see relevant events first • Pin and favorite ranking categories for quick access anytime • Bookmark athlete rankings and keep your important rankings in one place • Choose between light, dark, or system theme GET NOTIFIED • Notifications for new competitions in countries you follow • Registration deadline reminders • Alerts when competitions are filling up • Notifications when rankings gets updated SIMPLE & RESPECTFUL • No account required – just open and browse • No ads, no tracking, no analytics • Built for athletes, parents, and coaches TKD Hub is a read-only event hub. For registrations, official documents, and results, you'll always be directed to the original source platform. Built with love for the Taekwondo community by a TKD parent.

Screenshots

ZESS C4 screens
TKD Hub4 screens

Verdict

The call

The clearest difference is in-app purchases: ZESS C at none against TKD Hub's 3. ZESS C also leads on update cadence (daily vs weekly) and iOS requirement (8.0 vs 15.0). On price, ads 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. TKD Hub sells 3 one-off in-app purchases. ZESS C asks for nothing beyond the download.

UpkeepUpdate frequency

ZESS C ships an update daily, TKD Hub weekly. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 6 level
ZESS C versus TKD Hub: the parameters behind the verdict, then further details
ParameterZESS CTKD Hub
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyDaily — betterWeekly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better15.0
Further details — not scored
Size38 MB21 MB
Age rating4+9+
Developerzemita.co., Ltd.AMIR BADNJEVIC

In-app purchases

None

ZESS C

No in-app purchases

3 purchases

TKD Hub

One-time3
  • Small Tip$0.99
  • Medium Tip$2.99
  • Large Tip$4.99

Questions

Is ZESS C free?
ZESS C is free to download, with no in-app purchases.
Is TKD Hub free?
TKD Hub is free to download, with in-app purchases available.
Do ZESS C or TKD Hub have ads?
Neither ZESS C nor TKD Hub shows ads.
Which is updated more often, ZESS C or TKD Hub?
ZESS C ships an update daily, and TKD Hub weekly. Most recently, ZESS C was updated on October 8, 2026 and TKD Hub on October 15, 2026.

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