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treastrain / Tanaka Ryoga

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Twitter: @treastrain My Qiita contributions


Swift (iOS, watchOS), Core NFC


Japan NFC Reader (iOS, watchOS App)

Twitter: @JapanNFCReader App Store Downloads 245K

Check the balance of your Japanese e-money card (NFC, FeliCa) on your iPhone (iOS 13.0 or later). Sync your scanned history with a device signed in with the same iCloud account, you can view it on other iPhone, iPad, iPod touch, Apple Watch.

treastrain/TRETJapanNFCReader (OSS for Apple Platforms with MIT license)

GitHub Stars MIT License Platform: iOS|watchOS|tvOS|macOS Swift: 5

NFC Reader for Japanese NFC Cards for Apple Platforms. (used in Japan NFC Reader App)



Hachinohe, Aomori Pref., Japan → Muroran, Hokkaido, Japan


Splatoon 2 (@treastrain_spla)


  1. NFC (FeliCa) Reader for iOS 13 Core NFC / 日本の NFC、FeliCa カード向けリーダーライブラリ(iOS 13.0 以降 Core NFC)交通系IC(Suica、PASMO など)、楽天Edy、nanaco、WAON など、運転免許証、マイナンバーカードの読み取り

    Swift 295 16

  2. Sample project to read FeliCa on iOS 13 and later

    Swift 21 5

  3. Columns used by the social networking service client "MultipleFire" for iOS

    Swift 2

  4. Forked from microsoft/fluentui-apple

    UIKit and AppKit controls for building native Microsoft experiences

    Swift 1

  5. マイナンバーカードのパスワードの残り試行回数を取得する iOS App サンプル

    Swift 2

1,132 contributions in the last year

Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Mon Wed Fri
Activity overview

Contribution activity

September 2020

283 contributions in private repositories Sep 1 – Sep 18

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