# Sayabashiri - Samurai Katana — Iai sword draw & slash game

> Iai sword draw & slash game (iPhone/iPad app by MASAKI CHIBA.)

- Source: https://appshunter.io/ios/app/sayabashiri-samurai-katana/id6819089252 (this page in markdown: same URL + `.md`)
- Developer: [MASAKI CHIBA](https://appshunter.io/developer/1890488277)
- Category: Games, Entertainment, Action, Sports
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 38 MB
- Languages: American English, Japanese
- Released: 2026-10-09
- Data updated: 2026-10-25

## What is Sayabashiri?

Grip your iPhone like the hilt of a katana and draw it from your hip in one motion.
Sayabashiri ("the blade leaving the scabbard") is an iai sword-drawing game that measures your slash with the iPhone's motion sensors and scores it.

HOW TO PLAY
1. Tap "Start"
2. During the 5-4-3-2 countdown, hold the phone like a sword hilt at your left hip
3. Hold still on 1
4. When the phone vibrates and "Draw!" appears, draw, slash and stop

Draw before the signal and it is a false start. Patience is part of iai.

SCORED OUT OF 100
- Edge alignment (40): does the blade's axis stay true while you swing?
- Speed (30): how sharp is the draw? (capped, so swinging harder does not help)
- Stop (20): does the blade stop cleanly at the end?
- Arc (10): is the rotation the size of a real drawing cut?
Reach the pass mark and the target is cut along the angle of your slash. Fall short and the blade stops halfway.

THREE TARGETS
- Straw mat / makiwara (pass: 60)
- Bamboo (pass: 75)
- Armor and helmet (pass: 90)
Straw mat and bamboo can be challenged any number of times. For the armor, watch an ad to get 3 attempts, or unlock it with an in-app purchase that also removes all ads.

PLAY SAFELY
- Grip the phone firmly and use a wrist strap if you have one
- Make sure no people, objects or walls are nearby before you swing
- You do not need to swing with full force. Edge alignment and the stop are the keys to a high score

OTHER
- No account required
- Motion data is processed on your device and never sent anywhere
- Purchases can be restored on another device with "Restore purchase"

Contact: chimasaki31@gmail.com

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 鎧・兜の解放と広告除去 | $1.99 | one-time |


## Is Sayabashiri safe?

Not enough ratings yet to assess Sayabashiri.

## Is Sayabashiri legit?

Sayabashiri - Samurai Katana appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Sayabashiri is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-10-09

No release notes.

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## More apps by MASAKI CHIBA

- [Speed Math Drill - Mental Math](https://appshunter.io/ios/app/speed-math-drill-mental-math/id6761619388)
- [Speed Vocab - Flashcard Word](https://appshunter.io/ios/app/speed-vocab-flashcard-word/id6764725300)
- [Sonic Math - Mental Math Drill](https://appshunter.io/ios/app/sonic-math-mental-math-drill/id6765611618)
- [血圧手帳AI - 親・シニアの血圧記録と家族見守り](https://appshunter.io/ios/app/ai/id6770567499)
- [Darts Scorer - Checkout & x01](https://appshunter.io/ios/app/darts-scorer-checkout-and-x01/id6776256594)
- [麻雀点数ノート - 符計算・計算機・初心者向け](https://appshunter.io/ios/app/id6776482540)

All apps by MASAKI CHIBA: https://appshunter.io/developer/1890488277

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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 2026-10-25.*