# Optimal Biz Docs vs Mamoru PUSH

The clearest difference is update cadence: Mamoru PUSH at every 3 months against Optimal Biz Docs's every 7 months. Mamoru PUSH also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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 7 months, Mamoru PUSH every 3 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Optimal Biz Docs | Mamoru PUSH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Size | 3 MB | 33 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OPTiM Corporation](https://appshunter.io/developer/484555009) | [Colorkrew Inc.](https://appshunter.io/developer/715455152) |

## What reviewers say

### Optimal Biz Docs

[App page](https://appshunter.io/ios/app/optimal-biz-docs/id797348056)

**Features:** Vision Pro support

**In-app purchases:** none


### Mamoru PUSH

[App page](https://appshunter.io/ios/app/mamoru-push/id1212651274)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Optimal Biz Docs free?

Optimal Biz Docs is free to download, with no in-app purchases.

### Is Mamoru PUSH free?

Mamoru PUSH is free to download, with no in-app purchases.

### Do Optimal Biz Docs or Mamoru PUSH have ads?

Neither Optimal Biz Docs nor Mamoru PUSH shows ads.

### Which is updated more often, Optimal Biz Docs or Mamoru PUSH?

Optimal Biz Docs ships an update every 7 months, and Mamoru PUSH every 3 months. Most recently, Optimal Biz Docs was updated on October 11, 2026 and Mamoru PUSH on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*