Comparison

ZESS C vs KukkiDo

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

KukkiDo

Track taekwondo tournaments, personal ratings, and training progress. Log workouts, monitor wellness, and connect with coaches. Features include a competition calendar, performance history, and achievement tracking for athletes and coaches.

Highlights
  • Tournament calendar with filters
  • Personal WT rating and comparison
  • Workout logging and training plans
  • Wellness tracking (weight, sleep, nutrition)
  • Coach dashboard for athlete management
  • Achievement and badge system
Read full description

KukkiDo is the app for WT taekwondo athletes and coaches. Tournament calendar, personal rating, training log, and wellness — all in one place, in your language. — TOURNAMENTS • Calendar of upcoming and past competitions • Levels K1–K20 (from regional to international) • Filters by age, city, status • Posters, schedule, regulations, result protocols • Athletes register through their coach, with personal interest flagging — RATING • Personal WT rating from tournament points • Compare by weight class, age, city, sport rank • Performance history and medals — TRAINING LOG • Log workouts: type, duration, intensity, notes, photos • Training plans and coach comments • Weekly and monthly stats • Daily streak and form score — WELLNESS • Pre-weigh-in weight tracking • Sleep and mood diary • Nutrition calculator (calories, protein, fat, carbs) with food database • Charts and trend lines — COACH DASHBOARD • Link your athletes • Review their training and add comments • Register them for tournaments and confirm attendance • Record results after competitions — ACHIEVEMENTS • Levels and XP for activity in the app • Badges: Competitor, Medalist, Champion, Elite, Streak, Discipline • Weekly progress — ONE APP, MULTIPLE ROLES Athlete, coach, and guest in a single account. Switch roles without signing out. Guest mode gives access to tournaments and ratings without full registration. — PARTNERS, SHOP, SERVICES Taekwondo clubs and centers, equipment from partners, services for athletes (nutritionists, physiotherapists, events). — SIGN-IN AND SECURITY • Sign in with Apple ID or Telegram — no passwords • Data encrypted on device and in transit • We don't share data with third parties • We don't track behavior across other apps — GEOGRAPHY The app covers WT athletes and coaches across 11 countries: Russia, Kazakhstan, Uzbekistan, Kyrgyzstan, Tajikistan, Turkmenistan, Belarus, Azerbaijan, Armenia, Georgia, Moldova. Free to use. Support: @kukkido_support on Telegram

Screenshots

ZESS C4 screens
KukkiDo4 screens

Verdict

The call

The clearest difference is update cadence: ZESS C at daily against KukkiDo's every 3 weeks. ZESS C also leads on iOS requirement (8.0 vs 15.0). 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

ZESS C ships an update daily, KukkiDo every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
ZESS C versus KukkiDo: the parameters behind the verdict, then further details
ParameterZESS CKukkiDo
PriceFreeFree
Rating—3.8 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—4 — better
Update frequencyDaily — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size38 MB7 MB
Age rating4+4+
Developerzemita.co., Ltd.Damirbek Dadadzhanov

In-app purchases

None

ZESS C

No in-app purchases

None

KukkiDo

No in-app purchases

Questions

Is ZESS C free?
ZESS C is free to download, with no in-app purchases.
Is KukkiDo free?
KukkiDo is free to download, with no in-app purchases.
Do ZESS C or KukkiDo have ads?
Neither ZESS C nor KukkiDo shows ads.
Which is updated more often, ZESS C or KukkiDo?
ZESS C ships an update daily, and KukkiDo every 3 weeks. Most recently, ZESS C was updated on November 7, 2026 and KukkiDo on November 5, 2026.

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