ISign+ OTP
Not in any tracked top chart right now.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperPenta Security Inc.
CategoryUtilities
PriceFree
Released
Rating★ 2.7 (30)
Version3.3.3
Age rating4+
First seen by us
24 Oct 2026
Rating
2.7 ★
30 ratings
Measured
ISign+ OTP on the App Store
App details
App ID
919437581
Publisher
Penta Security Inc.
On the store since
Oct 2014
12 years on the store
Minimum OS
iOS 8.0+
iPhone 4s and later
Devices
iPhone · iPad
Content rating
4+
Languages
2
EN KO
Size
2 MB
Also listed in
Business
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
2.7 ★
30 ratings
Measured
Ratings
30
Measured
About ISign+ OTP
1. What is ISign+ OTP?
ISign+ OTP (One Time Password) is a security application that generates a one-time password to provide additional user authentication at login. ISign+ OTP service generates unique passwords for each login so users can enjoy secure login anytime, anywhere.
* Features
- Generate OTP without requiring data connection
- Multiple OTP registration supported
- Application lock function
2. User Guide
* Initial Registration of OTP
1. After installing ISign+ OTP, enter the OTP name and the serial number from the PC into the field displayed on the mobile phone.
2. Enter the mobile verification code generated by the ISign+ OTP application into the Mobile Registration field displayed on the PC.
3. Enter Test OTP from the ISign+ OTP application into the Test OTP field on the PC screen.
4. If Test OTP is successful, select the Register OTP button on the ISign+ application and the PC screen.
* OTP authentication
1. If the initial login to the service is successful, an OTP number input window will be displayed.
2. Enter the OTP number from the ISign+ application into the OTP input window.
3. Notes on Use
ISign+ OTP is provided to enterprise customers using ISign+.
If an OTP reset message is displayed, please contact the administrator for assistance.
ISign+ OTP (One Time Password) is a security application that generates a one-time password to provide additional user authentication at login. ISign+ OTP service generates unique passwords for each login so users can enjoy secure login anytime, anywhere.
* Features
- Generate OTP without requiring data connection
- Multiple OTP registration supported
- Application lock function
2. User Guide
* Initial Registration of OTP
1. After installing ISign+ OTP, enter the OTP name and the serial number from the PC into the field displayed on the mobile phone.
2. Enter the mobile verification code generated by the ISign+ OTP application into the Mobile Registration field displayed on the PC.
3. Enter Test OTP from the ISign+ OTP application into the Test OTP field on the PC screen.
4. If Test OTP is successful, select the Register OTP button on the ISign+ application and the PC screen.
* OTP authentication
1. If the initial login to the service is successful, an OTP number input window will be displayed.
2. Enter the OTP number from the ISign+ application into the OTP input window.
3. Notes on Use
ISign+ OTP is provided to enterprise customers using ISign+.
If an OTP reset message is displayed, please contact the administrator for assistance.
Latest updates
3.3.3
Press and hold OTP to copy it to the clipboard.
iOS 13 support.