# OPTiM Biz vs CACHATTO SecureBrowser V4

The clearest difference is update cadence: CACHATTO SecureBrowser V4 at monthly against OPTiM Biz's every 4 months. OPTiM Biz's advantage is iOS requirement (15.0 vs 18.0). 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.

OPTiM Biz ships an update every 4 months, CACHATTO SecureBrowser V4 monthly. The most recent releases landed on September 8, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | OPTiM Biz | CACHATTO SecureBrowser V4 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 13.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Free |
| Size | 18 MB | 305 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OPTiM Corporation](https://appshunter.io/developer/484555009) | [e-Jan Networks Co.](https://appshunter.io/developer/306277105) |

## What reviewers say

### OPTiM Biz

[App page](https://appshunter.io/ios/app/optim-biz/id484555006)

**In-app purchases:** none


### CACHATTO SecureBrowser V4

[App page](https://appshunter.io/ios/app/cachatto-securebrowser-v4/id1497262176)

This enterprise solution provides secure remote access to corporate systems from mobile devices. It protects sensitive business information by preventing data leakage and offering robust authentication methods. Installation is straightforward, requiring no VPN setup or extensive system modifications.

**Highlights:** Secure remote access to corporate email, groupware, and file servers, No data stored on user devices, Multiple authentication methods (one-time password, device ID), Prevents data copy/paste to other applications, Easy installation without VPN setup

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OPTiM Biz free?

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

### Is CACHATTO SecureBrowser V4 free?

CACHATTO SecureBrowser V4 is free to download, with no in-app purchases.

### Do OPTiM Biz or CACHATTO SecureBrowser V4 have ads?

Neither OPTiM Biz nor CACHATTO SecureBrowser V4 shows ads.

### Which is updated more often, OPTiM Biz or CACHATTO SecureBrowser V4?

OPTiM Biz ships an update every 4 months, and CACHATTO SecureBrowser V4 monthly. Most recently, OPTiM Biz was updated on September 8, 2026 and CACHATTO SecureBrowser V4 on September 16, 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.*