# OPTiM Biz vs CACHATTO SecureBrowser V3

The clearest difference is update cadence: CACHATTO SecureBrowser V3 at every 2 months against OPTiM Biz's every 4 months. CACHATTO SecureBrowser V3 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.

OPTiM Biz ships an update every 4 months, CACHATTO SecureBrowser V3 every 2 months. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | OPTiM Biz | CACHATTO SecureBrowser V3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (3 ratings)](https://appshunter.io/ios/app/cachatto-securebrowser-v3/id555875616/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 1.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 18 MB | 142 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) | [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 V3

[App page](https://appshunter.io/ios/app/cachatto-securebrowser-v3/id555875616)

This application provides secure remote access to corporate systems for employees. It protects sensitive business information by preventing data leakage from mobile devices and offering robust authentication methods. The solution is designed for enterprise use, ensuring data security without requiring complex system modifications.

**Highlights:** Secured access to corporate email, groupwares, file servers, No data remains on user's device, Multiple authentication methods, Prevents data copy/paste to other apps, Easy installation without VPN setup

**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 V3 free?

CACHATTO SecureBrowser V3 is free to download, with no in-app purchases.

### Do OPTiM Biz or CACHATTO SecureBrowser V3 have ads?

Neither OPTiM Biz nor CACHATTO SecureBrowser V3 shows ads.

### Which is updated more often, OPTiM Biz or CACHATTO SecureBrowser V3?

OPTiM Biz ships an update every 4 months, and CACHATTO SecureBrowser V3 every 2 months. Most recently, OPTiM Biz was updated on September 8, 2026 and CACHATTO SecureBrowser V3 on September 22, 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.*