ANY OTP vs ISign+ OTP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ANY OTP
This service generates a new 6-digit one-time password each time to authenticate your mobile device. It enhances security by protecting your personal information from data leaks, theft, and password hacking.
- Generates 6-digit one-time passwords
- Authenticates mobile device users
- Protects against data spills
- Prevents password hacking
- Enhances personal information security
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AnyOTP service is a mobile security service to create a one time-use password and process to authenticate a user's mobile device. The 6-digit one time-use password creates new password each time. AnyOTP service can secure your personal information from accidents including data spill, theft and password hacking.
ISign+ OTP
This security application generates one-time passwords for enhanced user authentication during login. It provides secure, unique passwords for each login, ensuring access from anywhere. Features include offline OTP generation and application locking.
- Generates OTP without data connection
- Supports multiple OTP registrations
- Includes application lock function
- Secure login authentication
- Offline password generation
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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.
Screenshots
Verdict
The clearest difference is update cadence: ANY OTP at every 4 weeks against ISign+ OTP's every 10 months. ISign+ OTP's advantage is review sentiment (25% vs 13%) and iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ANY OTP ships an update every 4 weeks, ISign+ OTP every 10 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | ANY OTP | ISign+ OTP |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) — better | — |
| Positive reviews | 12.5% of reviews | 25.0% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 weeks — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | MIRAE Technolog Co.Ltd. | Penta Security Inc. |
Customer experience
ANY OTP
ISign+ OTP
In-app purchases
ANY OTP
No in-app purchases
ISign+ OTP
No in-app purchases
