Optimal Biz Docs vs Mamoru PUSH
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Optimal Biz Docs
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Optimal Biz Docs Client is a client application for "Optimal Biz Docs," which is an MCM(*) solution provided by OPTiM Corporation. With Optimal Biz Docs, you can securely and efficiently share various kinds of files and view files created on PC on your smart phone. This application is only available for Premium Users of Optimal Biz Docs. Supports both Japanese and English. *MCM stands for "Mobile Content Management," a solution for companies to securely share files such as internal documentations over smart phones and tablet devices.
Mamoru PUSH
Securely log into websites and services without passwords. This app offers two-factor authentication via push notifications and supports time-based one-time passwords for enhanced security.
- Passwordless login
- Push notification authentication
- Time-based One-time Password (TOTP) support
- Secure access to online accounts
- Two-factor authentication
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Mamoru protects user’s important information with the new process of two factor authentication. No need for passwords! Login securely with Mamoru. Mamoru has two functions 1、Mamoru PUSH authentication 2、OTP (TOTP Time-based One-time Password Algorithm) 1、Mamoru PUSH authentication How it works: When you want to log into a website, a push notification is sent to your phone and you can log in with the click of a single button. 2、OTP (Time-based One-time Password Algorithm) Mamoru also supports TOTP. Please use it any other services!
Screenshots
Verdict
The clearest difference is update cadence: Mamoru PUSH at every 3 months against Optimal Biz Docs's every 6 months. Mamoru PUSH also leads on iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support 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.
Optimal Biz Docs ships an update every 6 months, Mamoru PUSH every 3 months. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.
| Parameter | Optimal Biz Docs | Mamoru PUSH |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 6 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | OPTiM Corporation | Colorkrew Inc. |
In-app purchases
Optimal Biz Docs
No in-app purchases
Mamoru PUSH
No in-app purchases
