KollusPlayer vs ISign+ OTP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KollusPlayer
This is a dedicated video player for encrypted content from the Kollus service. It offers playback speed control and resume playback functionality. Compatible with a wide range of iPhone and iPad models.
- Plays Kollus encrypted content
- Adjustable playback speed (0.5x-2.0x)
- Resume playback
- Wide device compatibility
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KollusPlayer는 Kollus 서비스의 암호화된 컨텐츠를 재생하기 위한 전용 동영상 플레이어입니다. [부가기능] 배속조절: x0.5~x2.0 (iPhone4 x1.2배속) 이어보기 [지원단말] iPhone4s, iPhone5, iPhone5c, iPhone5s, iPhone6, iPhone6 Plus, iPhone6s, iPhone6s Plus, iPhoneSE, iPhone7, iPhone7 Plus, iPhone 8, iPhone 8 Plus, iPhone X iPad2, iPad3, iPad Retina, iPad Air, iPad Air 2, iPad mini, iPad mini 2, iPad mini 3, iPad mini 4, iPad Pro
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: KollusPlayer at monthly against ISign+ OTP's every 10 months. ISign+ OTP's advantage is iOS requirement (8.0 vs 16.0). On price, review sentiment, ads and in-app purchases 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.
KollusPlayer ships an update monthly, ISign+ OTP every 10 months. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.
| Parameter | KollusPlayer | ISign+ OTP |
|---|---|---|
| Price | Free | Free |
| Rating | 1.4 (82 ratings) — better | — |
| Positive reviews | 26.4% of reviews — better | 25.0% of reviews |
| Number of ratings | 82 — better | — |
| Update frequency | Monthly — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Catenoid, Inc. | Penta Security Inc. |
Customer experience
KollusPlayer
ISign+ OTP
In-app purchases
KollusPlayer
No in-app purchases
ISign+ OTP
No in-app purchases
