# Bigant5 vs ADURE SECURE ZONE

The clearest difference is update cadence: ADURE SECURE ZONE at monthly against Bigant5's every 3 months. ADURE SECURE ZONE also leads on iOS requirement (12.0 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.

Bigant5 ships an update every 3 months, ADURE SECURE ZONE monthly. Both last shipped on October 4, 2026.

## The numbers

| Metric | Bigant5 | ADURE SECURE ZONE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 82 MB | 41 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [辉 欧阳](https://appshunter.io/developer/6790439684) | [ABU DHABI UNITED REAL ESTATE COMPANY LLC](https://appshunter.io/developer/1531863674) |

## What reviewers say

### Bigant5

[App page](https://appshunter.io/ios/app/bigant5/id1148556196)

A secure, on-premise instant messaging system designed for businesses. It ensures all communication is private and traceable, with contact lists exclusively for colleagues. This tool helps boost office productivity for companies of any size.

**Highlights:** On-premise server administration, Secure and traceable conversations, Colleague-only contact lists, LDAP/AD compatibility, Boosts office productivity

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

**In-app purchases:** none


### ADURE SECURE ZONE

[App page](https://appshunter.io/ios/app/adure-secure-zone/id6449210968)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bigant5 free?

Bigant5 is free to download, with no in-app purchases.

### Is ADURE SECURE ZONE free?

ADURE SECURE ZONE is free to download, with no in-app purchases.

### Do Bigant5 or ADURE SECURE ZONE have ads?

Neither Bigant5 nor ADURE SECURE ZONE shows ads.

### Which is updated more often, Bigant5 or ADURE SECURE ZONE?

Bigant5 ships an update every 3 months, and ADURE SECURE ZONE monthly. Most recently, Bigant5 was updated on October 4, 2026 and ADURE SECURE ZONE on October 4, 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.*