Mamoru PUSH vs O
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mamoru PUSH
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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!
O
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O-TECHスマートレジの情報を閲覧するアプリです。 現在の売上、入店状況をリアルに把握することが可能です。
Screenshots
Verdict
The clearest difference is update cadence: O at every 5 weeks against Mamoru PUSH's every 3 months. Mamoru PUSH's advantage is iOS requirement (13.0 vs 15.5). 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.
Mamoru PUSH ships an update every 3 months, O every 5 weeks. The most recent releases landed on September 14, 2026 and September 13, 2026 respectively.
| Parameter | Mamoru PUSH | O |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 33 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Colorkrew Inc. | O-TECH JAPAN |
In-app purchases
Mamoru PUSH
No in-app purchases
O
No in-app purchases
