About CHECK iN SEOUL
ONE CARD, ALL OF KOREA . Apply through the app and pick up the card right at the airport. You can also issue the card at the city. . Numerous ways to recharge, no burden on fees You can recharge via a credit card on the...
ONE CARD, ALL OF KOREA . Apply through the app and pick up the card right at the airport. You can also issue the card at the city. . Numerous ways to recharge, no burden on fees You can recharge via a credit card on the app or deposit cash in Korean or other currencies at a kiosk. . From transport to various payments, all possible with a single card Transport cards offer teenager discounts and you can get refunds for the remaining balance. . EAT . PLAY . SHOP, Benefits wherever you go Enjoy various benefits whenever you eat, play, and shop. . Local tips you can’t miss out The Nearby menu provides local information near you, while the Trending menu offers various traveling tips. . The moment of payment leads to your very own trip diary Record photos, memos, and schedules on your Trip Diary. [Access Permissions for Service Use] Required Permissions - Storage: Used to save files necessary for running the app Optional Permissions - Photos and Videos: Used to read photo files - Camera: Used to scan QR codes, barcodes, and passport information - Notifications: Used to send push messages - Location: Used for location-based services *If you do not allow optional permissions, some services may be restricted.
Version History - Card registration steps have been reduced. (VISA card registration remains the same as before) - The time allowed to tap your card when refunding a transit card has been extended slightly. - Photo upload speed in Trip Diary has been improved. - App stability has also been improved. 1.1.02 2d ago 1. Some chat support features have been improved 2. App stability has been improved 1.1.01 Sep 29 - Expanded the number of available kiosks. - Added live chat support. - Added a route guidance map. - Improved the usability of Trip Diary. - Added an option to opt out of promotional push notifications. - Made various other improvements and bug fixes. 1.1.0 Sep 17 - Stabilized the identity verification process. - Prepared for iOS 27 in advance. - Fixed minor bugs. 1.0.14 Aug 11 Improved email validation during sign-up. We’re continuously optimizing the app to ensure a more stable experience. 1.0.13 Jul 22 We are preemptively fixing issues to ensure seamless compatibility with iOS 26. Fixed a location display error on the 'Nearby' screen. 1.0.12 Jul 8 An alert popup will now notify you when an app update is available. System stability improvements have been made. 1.0.11 Jun 22 Made it more convenient to log back in after being logged out. Improved app stability. 1.0.10 Jun 4 We've fixed some issues that occurred during the sign-up process. 1.0.09 May 12 Added detailed instructions on where to scan (tag) your passport during card registration. Enhanced app stability. 1.0.08 Apr 21 Improved the usability of card and mobile passport registration. Enhanced app stability. 1.0.07 Apr 9 Improved app usability. 1.0.06 Mar 23 Improved app usability. 1.0.05 Mar 10 Improved app usability. 1.0.04 Feb 11 Improved app usability. 1.0.03 Jan 29 Improved app usability. 1.0.1 Jan 14 1.0 Jan 5
Previous Versions
Here you can find the changelog of CHECK iN SEOUL since it was posted on our website on 2026-07-09 19:48:43.
The latest version is 1.1.02 and it was updated on 2026-10-15 15:41:28. See below the changes in each version.
CHECK iN SEOUL version 1.1.02
Updated At: 2026-10-15
Changes: Version History - Card registration steps have been reduced. (VISA card registration remains the same as before)
- The time allowed to tap your card when refunding a transit card has been extended slightly.
- Photo upload speed in Trip Diary has been improved.
- App stability has also been improved. 1.1.02 2d ago 1. Some chat support features have been improved
2. App stability has been improved 1.1.01 Sep 29 - Expanded the number of available kiosks.
- Added live chat support.
- Added a route guidance map.
- Improved the usability of Trip Diary.
- Added an option to opt out of promotional push notifications.
- Made various other improvements and bug fixes. 1.1.0 Sep 17 - Stabilized the identity verification process.
- Prepared for iOS 27 in advance.
- Fixed minor bugs. 1.0.14 Aug 11 Improved email validation during sign-up.
We’re continuously optimizing the app to ensure a more stable experience. 1.0.13 Jul 22 We are preemptively fixing issues to ensure seamless compatibility with iOS 26.
Fixed a location display error on the 'Nearby' screen. 1.0.12 Jul 8 An alert popup will now notify you when an app update is available.
System stability improvements have been made. 1.0.11 Jun 22 Made it more convenient to log back in after being logged out.
Improved app stability. 1.0.10 Jun 4 We've fixed some issues that occurred during the sign-up process. 1.0.09 May 12 Added detailed instructions on where to scan (tag) your passport during card registration.
Enhanced app stability. 1.0.08 Apr 21 Improved the usability of card and mobile passport registration.
Enhanced app stability. 1.0.07 Apr 9 Improved app usability. 1.0.06 Mar 23 Improved app usability. 1.0.05 Mar 10 Improved app usability. 1.0.04 Feb 11 Improved app usability. 1.0.03 Jan 29 Improved app usability. 1.0.1 Jan 14 1.0 Jan 5
CHECK iN SEOUL version 1.1.01
Updated At: 2026-10-08
Changes: Version History 1. Some chat support features have been improved
2. App stability has been improved 1.1.01 Sep 29 - Expanded the number of available kiosks.
- Added live chat support.
- Added a route guidance map.
- Improved the usability of Trip Diary.
- Added an option to opt out of promotional push notifications.
- Made various other improvements and bug fixes. 1.1.0 Sep 17 - Stabilized the identity verification process.
- Prepared for iOS 27 in advance.
- Fixed minor bugs. 1.0.14 Aug 11 Improved email validation during sign-up.
We’re continuously optimizing the app to ensure a more stable experience. 1.0.13 Jul 22 We are preemptively fixing issues to ensure seamless compatibility with iOS 26.
Fixed a location display error on the 'Nearby' screen. 1.0.12 Jul 8 An alert popup will now notify you when an app update is available.
System stability improvements have been made. 1.0.11 Jun 22 Made it more convenient to log back in after being logged out.
Improved app stability. 1.0.10 Jun 4 We've fixed some issues that occurred during the sign-up process. 1.0.09 May 12 Added detailed instructions on where to scan (tag) your passport during card registration.
Enhanced app stability. 1.0.08 Apr 21 Improved the usability of card and mobile passport registration.
Enhanced app stability. 1.0.07 Apr 9 Improved app usability. 1.0.06 Mar 23 Improved app usability. 1.0.05 Mar 10 Improved app usability. 1.0.04 Feb 11 Improved app usability. 1.0.03 Jan 29 Improved app usability. 1.0.1 Jan 14 1.0 Jan 5
CHECK iN SEOUL version 1.1.01
Updated At: 2026-10-01
Changes: Version History 1. Some chat support features have been improved
2. App stability has been improved 1.1.01 2d ago - Expanded the number of available kiosks.
- Added live chat support.
- Added a route guidance map.
- Improved the usability of Trip Diary.
- Added an option to opt out of promotional push notifications.
- Made various other improvements and bug fixes. 1.1.0 Sep 17 - Stabilized the identity verification process.
- Prepared for iOS 27 in advance.
- Fixed minor bugs. 1.0.14 Aug 11 Improved email validation during sign-up.
We’re continuously optimizing the app to ensure a more stable experience. 1.0.13 Jul 22 We are preemptively fixing issues to ensure seamless compatibility with iOS 26.
Fixed a location display error on the 'Nearby' screen. 1.0.12 Jul 8 An alert popup will now notify you when an app update is available.
System stability improvements have been made. 1.0.11 Jun 22 Made it more convenient to log back in after being logged out.
Improved app stability. 1.0.10 Jun 4 We've fixed some issues that occurred during the sign-up process. 1.0.09 May 12 Added detailed instructions on where to scan (tag) your passport during card registration.
Enhanced app stability. 1.0.08 Apr 21 Improved the usability of card and mobile passport registration.
Enhanced app stability. 1.0.07 Apr 9 Improved app usability. 1.0.06 Mar 23 Improved app usability. 1.0.05 Mar 10 Improved app usability. 1.0.04 Feb 11 Improved app usability. 1.0.03 Jan 29 Improved app usability. 1.0.1 Jan 14 1.0 Jan 5
CHECK iN SEOUL version 1.1.0
Updated At: 2026-09-24
Changes: Version History - Expanded the number of available kiosks.
- Added live chat support.
- Added a route guidance map.
- Improved the usability of Trip Diary.
- Added an option to opt out of promotional push notifications.
- Made various other improvements and bug fixes. 1.1.0 Sep 17 - Stabilized the identity verification process.
- Prepared for iOS 27 in advance.
- Fixed minor bugs. 1.0.14 Aug 11 Improved email validation during sign-up.
We’re continuously optimizing the app to ensure a more stable experience. 1.0.13 Jul 22 We are preemptively fixing issues to ensure seamless compatibility with iOS 26.
Fixed a location display error on the 'Nearby' screen. 1.0.12 Jul 8 An alert popup will now notify you when an app update is available.
System stability improvements have been made. 1.0.11 Jun 22 Made it more convenient to log back in after being logged out.
Improved app stability. 1.0.10 Jun 4 We've fixed some issues that occurred during the sign-up process. 1.0.09 May 12 Added detailed instructions on where to scan (tag) your passport during card registration.
Enhanced app stability. 1.0.08 Apr 21 Improved the usability of card and mobile passport registration.
Enhanced app stability. 1.0.07 Apr 9 Improved app usability. 1.0.06 Mar 23 Improved app usability. 1.0.05 Mar 10 Improved app usability. 1.0.04 Feb 11 Improved app usability. 1.0.03 Jan 29 Improved app usability. 1.0.1 Jan 14 1.0 Jan 5
CHECK iN SEOUL version 1.1.0
Updated At: 2026-09-17
Changes: Version History - Expanded the number of available kiosks.
- Added live chat support.
- Added a route guidance map.
- Improved the usability of Trip Diary.
- Added an option to opt out of promotional push notifications.
- Made various other improvements and bug fixes. 1.1.0 7h ago - Stabilized the identity verification process.
- Prepared for iOS 27 in advance.
- Fixed minor bugs. 1.0.14 Aug 11 Improved email validation during sign-up.
We’re continuously optimizing the app to ensure a more stable experience. 1.0.13 Jul 22 We are preemptively fixing issues to ensure seamless compatibility with iOS 26.
Fixed a location display error on the 'Nearby' screen. 1.0.12 Jul 8 An alert popup will now notify you when an app update is available.
System stability improvements have been made. 1.0.11 Jun 22 Made it more convenient to log back in after being logged out.
Improved app stability. 1.0.10 Jun 4 We've fixed some issues that occurred during the sign-up process. 1.0.09 May 12 Added detailed instructions on where to scan (tag) your passport during card registration.
Enhanced app stability. 1.0.08 Apr 21 Improved the usability of card and mobile passport registration.
Enhanced app stability. 1.0.07 Apr 9 Improved app usability. 1.0.06 Mar 23 Improved app usability. 1.0.05 Mar 10 Improved app usability. 1.0.04 Feb 11 Improved app usability. 1.0.03 Jan 29 Improved app usability. 1.0.1 Jan 14 1.0 Jan 5
CHECK iN SEOUL version 1.0.14
Updated At: 2026-09-10
Changes: Version History - Stabilized the identity verification process.
- Prepared for iOS 27 in advance.
- Fixed minor bugs. 1.0.14 Aug 11 Improved email validation during sign-up.
We’re continuously optimizing the app to ensure a more stable experience. 1.0.13 Jul 22 We are preemptively fixing issues to ensure seamless compatibility with iOS 26.
Fixed a location display error on the 'Nearby' screen. 1.0.12 Jul 8 An alert popup will now notify you when an app update is available.
System stability improvements have been made. 1.0.11 Jun 22 Made it more convenient to log back in after being logged out.
Improved app stability. 1.0.10 Jun 4 We've fixed some issues that occurred during the sign-up process. 1.0.09 May 12 Added detailed instructions on where to scan (tag) your passport during card registration.
Enhanced app stability. 1.0.08 Apr 21 Improved the usability of card and mobile passport registration.
Enhanced app stability. 1.0.07 Apr 9 Improved app usability. 1.0.06 Mar 23 Improved app usability. 1.0.05 Mar 10 Improved app usability. 1.0.04 Feb 11 Improved app usability. 1.0.03 Jan 29 Improved app usability. 1.0.1 Jan 14 1.0 Jan 5
CHECK iN SEOUL version 1.0.14
Updated At: 2026-08-12
Changes: Version History - Stabilized the identity verification process.
- Prepared for iOS 27 in advance.
- Fixed minor bugs. 1.0.14 16h ago Improved email validation during sign-up.
We’re continuously optimizing the app to ensure a more stable experience. 1.0.13 Jul 22 We are preemptively fixing issues to ensure seamless compatibility with iOS 26.
Fixed a location display error on the 'Nearby' screen. 1.0.12 Jul 8 An alert popup will now notify you when an app update is available.
System stability improvements have been made. 1.0.11 Jun 22 Made it more convenient to log back in after being logged out.
Improved app stability. 1.0.10 Jun 4 We've fixed some issues that occurred during the sign-up process. 1.0.09 May 12 Added detailed instructions on where to scan (tag) your passport during card registration.
Enhanced app stability. 1.0.08 Apr 21 Improved the usability of card and mobile passport registration.
Enhanced app stability. 1.0.07 Apr 9 Improved app usability. 1.0.06 Mar 23 Improved app usability. 1.0.05 Mar 10 Improved app usability. 1.0.04 Feb 11 Improved app usability. 1.0.03 Jan 29 Improved app usability. 1.0.1 Jan 14 1.0 Jan 5
CHECK iN SEOUL version 1.0.13
Updated At: 2026-07-23
Changes: Version History Improved email validation during sign-up.
We’re continuously optimizing the app to ensure a more stable experience. 1.0.13 1d ago We are preemptively fixing issues to ensure seamless compatibility with iOS 26.
Fixed a location display error on the 'Nearby' screen. 1.0.12 Jul 8 An alert popup will now notify you when an app update is available.
System stability improvements have been made. 1.0.11 Jun 22 Made it more convenient to log back in after being logged out.
Improved app stability. 1.0.10 Jun 4 We've fixed some issues that occurred during the sign-up process. 1.0.09 May 12 Added detailed instructions on where to scan (tag) your passport during card registration.
Enhanced app stability. 1.0.08 Apr 21 Improved the usability of card and mobile passport registration.
Enhanced app stability. 1.0.07 Apr 9 Improved app usability. 1.0.06 Mar 23 Improved app usability. 1.0.05 Mar 10 Improved app usability. 1.0.04 Feb 11 Improved app usability. 1.0.03 Jan 29 Improved app usability. 1.0.1 Jan 14 1.0 Jan 5
CHECK iN SEOUL version 1.0.11
Updated At: 2026-07-02
Changes: Version History An alert popup will now notify you when an app update is available.
System stability improvements have been made. 1.0.11 Jun 22 Made it more convenient to log back in after being logged out.
Improved app stability. 1.0.10 Jun 4 We've fixed some issues that occurred during the sign-up process. 1.0.09 May 12 Added detailed instructions on where to scan (tag) your passport during card registration.
Enhanced app stability. 1.0.08 Apr 21 Improved the usability of card and mobile passport registration.
Enhanced app stability. 1.0.07 Apr 9 Improved app usability. 1.0.06 Mar 23 Improved app usability. 1.0.05 Mar 10 Improved app usability. 1.0.04 Feb 11 Improved app usability. 1.0.03 Jan 29 Improved app usability. 1.0.1 Jan 14 1.0 Jan 5
Disclaimer
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