# Kokmark vs ROST APP

The clearest difference is review sentiment: Kokmark at 100% against ROST APP's 33%. Kokmark also leads on update cadence (every 3 days vs every 2 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Kokmark ships an update every 3 days, ROST APP every 2 weeks. Both last shipped on October 14, 2026.

## The numbers

| Metric | Kokmark | ROST APP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/rost-app/id6743854276/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 81 MB | 69 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DongHoon Won](https://appshunter.io/developer/1775009452) | [ROST LAB](https://appshunter.io/developer/1804911076) |

## What reviewers say

### Kokmark

[App page](https://appshunter.io/ios/app/kokmark/id6737158772)

Automatically identifies rally candidates from badminton match footage, allowing users to select and edit desired scenes. It analyzes video and audio on-device to create highlight reels, with optional Apple Watch integration for scoring.

**Highlights:** Automatic rally candidate identification, On-device video and audio analysis, Rally playback and editing, Apple Watch scoring integration, Create and share highlight clips, Save rally-focused videos

**Features:** Apple Watch app

**In-app purchases:** none


### ROST APP

[App page](https://appshunter.io/ios/app/rost-app/id6743854276)

This app centralizes squash tournament information, including announcements, participant details, and real-time results. It offers features like a scoring system, a sophisticated ranking service, and push notifications to enhance the player experience.

**Highlights:** Centralized tournament announcements, Real-time match progress and results, Integrated scoring system, Sophisticated ranking service, Player information lookup, Push notifications for updates

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

**In-app purchases:** none


## Frequently asked questions

### Is Kokmark free?

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

### Is ROST APP free?

ROST APP is free to download, with no in-app purchases.

### Do Kokmark or ROST APP have ads?

Neither Kokmark nor ROST APP shows ads.

### Which is updated more often, Kokmark or ROST APP?

Kokmark ships an update every 3 days, and ROST APP every 2 weeks. Most recently, Kokmark was updated on October 14, 2026 and ROST APP on October 14, 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.*