ZESS C vs KukkiDo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZESS C
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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"
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ZESS C ships an update daily, KukkiDo every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | ZESS C | KukkiDo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.8 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Daily — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 38 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | zemita.co., Ltd. | Damirbek Dadadzhanov |
In-app purchases
ZESS C
No in-app purchases
KukkiDo
No in-app purchases









