# KachiKoshi — Grand Sumo Companion

> Grand Sumo Companion (iPhone/iPad app by RIONARDALLEN SMITH.)

- Source: https://appshunter.io/ios/app/kachikoshi/id6792549484 (this page in markdown: same URL + `.md`)
- Developer: [RIONARDALLEN SMITH](https://appshunter.io/developer/6792549486)
- Category: Sports, Entertainment
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 7 MB
- Released: 2026-07-29
- Data updated: 2026-09-11
- User reviews in markdown: https://appshunter.io/ios/app/kachikoshi/id6792549484/reviews.md

## What is KachiKoshi?

Follow every day of the professional sumo basho with a fast, intuitive companion built for fans.
Whether you're checking today's matchups, tracking the championship race, following your favorite rikishi, or learning the traditions of the sport, KachiKoshi keeps everything you need in one place.

Follow the Basho
• Live records throughout the tournament
• Daily bout schedules and results
• Full banzuke for all six divisions
• Track your favorite rikishi

Explore Professional Sumo
• Detailed rikishi profiles
• Complete glossary of sumo terms
• Kimarite (winning techniques)
• Tournament and ranking information

Built for Fans
KachiKoshi is designed to make following the basho simple, fast, and enjoyable. Whether you're a longtime fan or watching your first tournament, you'll have the information you need from opening day through senshūraku.

No ads. No purchases. No tracking. No account required. Just sumo.


## Version history (last 3 releases)

### 1.0.2 — 2026-09-01

Fixed an issue where newly published banzuke data could remain stale after a tournament ended. Updated tournament selection, Today view behavior, and rikishi rank synchronization so current rankings stay consistent across the app.

### 1.0.1 — 2026-07-30

KachiKoshi now offers native iPad support, with layouts designed for portrait and landscape use. This update also adds iCloud syncing across your devices and optional notifications for banzuke releases, the start of each basho day, and followed rikishi. Navigation has also been improved across iPhone and iPad, including returning from a rikishi profile to the previously viewed bout.

### 1.0 — 2026-07-29

No release notes.

## Related topics

[koshi](https://appshunter.io/ios/topics/koshi) · [sumofiber](https://appshunter.io/ios/topics/sumofiber)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-11.*