# ZESS C Plus vs KukkiDo

The clearest difference is update cadence: KukkiDo at every 3 weeks against ZESS C Plus's every 2 months. ZESS C Plus's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZESS C Plus ships an update every 2 months, KukkiDo every 3 weeks. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | ZESS C Plus | KukkiDo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (4 ratings)](https://appshunter.io/ios/app/kukkido/id6771863426/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 88 MB | 7 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [zemita.co., Ltd.](https://appshunter.io/developer/1144444571) | [Damirbek Dadadzhanov](https://appshunter.io/developer/6771863428) |

## What reviewers say

### ZESS C Plus

[App page](https://appshunter.io/ios/app/zess-c-plus/id6446159176)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### KukkiDo

[App page](https://appshunter.io/ios/app/kukkido/id6771863426)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZESS C Plus free?

ZESS C Plus 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 Plus or KukkiDo have ads?

Neither ZESS C Plus nor KukkiDo shows ads.

### Which is updated more often, ZESS C Plus or KukkiDo?

ZESS C Plus ships an update every 2 months, and KukkiDo every 3 weeks. Most recently, ZESS C Plus was updated on October 21, 2026 and KukkiDo on October 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*