# Prince Smart Inn Official App > Official hotel app for reservations, contactless check-in, room key, and loyalty rewards. (iPhone/iPad app by SEIBU PRINCE HOTELS WORLDWIDE INC..) - Source: https://appshunter.io/ios/app/prince-smart-inn-official-app/id1518000052 (this page in markdown: same URL + `.md`) - Developer: [SEIBU PRINCE HOTELS WORLDWIDE INC.](https://appshunter.io/developer/1619464021) - Category: Travel - Price: Free - Rating: 2.18/5 from 17 App Store ratings · 9 written reviews indexed - Age rating: 4+ - Requires: iOS 16.6 · 27 MB - Languages: American English, Japanese, Korean, Chinese (Simplified, China), Chinese (Traditional, Taiwan) - Released: 2020-09-06 - Data updated: 2026-08-25 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/prince-smart-inn-official-app/id1518000052/reviews.md ## What is Prince Smart Inn Official App? The official app of "Prince Smart Inn" brand hotels gives you smart experience and comfortable stay from reservation to check-out. [Key Features of the App] ■Reservation You can check room availability and make a reservation via the app. ■ Pre Check-In If you register your information with the app before arrival, check-in will be speedy. ■ Face Authentication Check-In If you register your face information with the app before arrival, check-in will be smooth. ■ Room Key Use your device as your room key. *There are certain conditions for using the smartphone key. ■ Check-Out You can check-out via the app without stopping by the front desk. ■My Page Function You can check reservation status, usage history and accommodation benefits (Stamps / Voucher). [Benefits of the App] ・Best rate guarantee when you book through the app. ・You receive 1 stamp for each stay (1 room per night). ・If you collect 10 stamps, you receive 1 complimentary night stay at PRINCE SMART INN. This app is the official app of ""Prince Smart Inn"" operated by Prince Hotel Co., Ltd. * To use this app, you need to register as a member of SEIBU PRINCE CLUB emi. Member registration is available in the app. ## Key features - Room reservation and availability check - Pre check-in with face authentication - Smartphone room key functionality - In-app check-out - Reservation status and history tracking - Loyalty stamps and voucher management ## Recent user reviews (9 of 9) All indexed reviews: https://appshunter.io/ios/app/prince-smart-inn-official-app/id1518000052/reviews.md ### 1/5 — 顔認証 *2025-02-11* 何度かアプデしているようですが一向に顔認証の登録ができません。 ### 1/5 — 登録できない *2024-12-18* 住所登録しようと郵便番号いれて検索かけると、前のページに戻されて登録できない だるすぎ ### 1/5 — 本当に最低レベル　スマートではない *2024-12-10* 初回もそれ以降も顔認証画面になるが　顔認証しようとすると真っ暗になって撮影画面すら出ない 明らかか不具合に何度も遭遇する チェックインはできたけどキーが反応しなくてエレベーターの目的階にも辿り着けず ホテル内の廊下でどこにも行けなくなった スマホアプリはあてにせずカードキーをもらいましょう 最悪すぎる QRコードでロッカーの借りるのチェックインと以外は使えない スマートとはほど遠い ### 1/5 — 顔認証登録できません *2024-12-10* 便利だと思い、事前にインストールしましたが顔認証登録できずこのままだと当日スマートフォンキーら使えなさそうです。他の方のレビューに館内で使えなくなったともあるので，もう諦めて普通のキーを使うようにしたいと思います。 ### 1/5 — 電話番号登録出来ない *2024-10-20* 携帯電話番号11桁を正しく入力しても、送信ボタン押すと頭の0が消えて10桁になる。 いつ改善されますか？ ### 2/5 — うーん *2024-09-29* 顔認証登録、写真撮影できるない ### 1/5 — 電話番号登録できない *2024-09-04* 今度泊まるからスマートキー使えるように電話番号登録しようとして電話番号入れると頭の0が消えて「正しい電話番号を入力してください」てなって先に進めない。 ### 1/5 — SMS認証できない！ *2023-03-30* 何度やってもサーバーに繋がらないと表示されSMS認証できず全く使えない ### 3/5 — 検索に骨が折れる *2021-04-15* プリンスホテルで検索出来ない。 プリンススマートインでも出てこない。 ## Frequently asked questions about Prince Smart Inn Official App ### What is the Prince Smart Inn Official App? The Prince Smart Inn Official App is the official mobile application for Prince Smart Inn hotels. It allows users to make reservations, complete pre check-in, use their phone as a room key, and check out directly through the app. ### How do I use the Prince Smart Inn Official App for check-in? You can use the app for a speedy check-in by registering your information and face data beforehand. This enables face authentication check-in, allowing for a smooth process upon arrival. ### Can I use my phone as a room key with the Prince Smart Inn Official App? Yes, the app allows you to use your smartphone as your room key. However, there are certain conditions that must be met for this feature to be available. ### What are the benefits of using the Prince Smart Inn Official App? Users receive the best rate guarantee when booking through the app. You also earn one stamp for each night of stay, and collecting 10 stamps grants a complimentary night stay. ### Is the Prince Smart Inn Official App free to download? Yes, the Prince Smart Inn Official App is free to download and use. There are no in-app purchases or advertisements mentioned in the app's data. ### What are the user reviews like for the Prince Smart Inn Official App? The app has a rating of 2.2 stars from 17 ratings. This suggests that user sentiment is mixed, with some users likely experiencing issues or having specific feedback. ### What devices support the Prince Smart Inn Official App? Currently, the Prince Smart Inn Official App is listed as supporting iPhones. Compatibility with other devices like Android phones is not specified in the provided data. ### How often is the Prince Smart Inn Official App updated? The latest version of the app is 2.3.1, which was last updated on April 28, 2026. This indicates a recent update, suggesting ongoing development and maintenance. ## Version history (last 5 releases) ### 2.3.1 — 2026-04-28 Minor updates have been made. ### 2.3.0 — 2026-01-13 Minor updates have been made. ### 2.2.5 — 2025-03-06 Minor updates have been made. ### 2.2.4 — 2025-01-31 Minor updates have been made. ### 2.2.3 — 2024-07-31 Minor updates have been made. ## More apps by SEIBU PRINCE HOTELS WORLDWIDE INC. - [Seibu Prince Global Rewards](https://appshunter.io/ios/app/seibu-prince-global-rewards/id6475801394) All apps by SEIBU PRINCE HOTELS WORLDWIDE INC.: https://appshunter.io/developer/1619464021 --- *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 2026-08-25.*