# Core KO vs Round Timer for Everyone

The clearest difference is update cadence: Core KO at every 2 weeks against Round Timer for Everyone's every 5 months. Core KO also leads on iOS requirement (14.0 vs 18.0). 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.

Core KO ships an update every 2 weeks, Round Timer for Everyone every 5 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Core KO | Round Timer for Everyone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/core-ko/id6739465448/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Ad-supported | — |
| Size | 5 MB | 27 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ebenezer Zergabachew](https://appshunter.io/developer/1747472550) | [Davut Engin](https://appshunter.io/developer/502336065) |

## What reviewers say

### Core KO

[App page](https://appshunter.io/ios/app/core-ko/id6739465448)

This martial arts training app helps users build consistency and improve workouts with customizable timers for rounds, rest, and circuits. Log daily training streaks to stay on track and build discipline. Ideal for boxers and fitness enthusiasts looking to master fundamentals.

**Highlights:** Customizable round timers, Rest period timers, Circuit training timers, Daily training streak logging, Workout optimization, Discipline building

**In-app purchases:** none


### Round Timer for Everyone

[App page](https://appshunter.io/ios/app/round-timer-for-everyone/id6746072591)

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

**In-app purchases:** none


## Frequently asked questions

### Is Core KO free?

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

### Is Round Timer for Everyone free?

Round Timer for Everyone is free to download, with no in-app purchases.

### Do Core KO or Round Timer for Everyone have ads?

Both Core KO and Round Timer for Everyone show ads.

### Which is updated more often, Core KO or Round Timer for Everyone?

Core KO ships an update every 2 weeks, and Round Timer for Everyone every 5 months. Most recently, Core KO was updated on October 4, 2026 and Round Timer for Everyone on October 7, 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.*