# Modbus Explorer vs BB VPN Box

The clearest difference is in-app purchases: BB VPN Box at none against Modbus Explorer's 1. BB VPN Box also leads on update cadence (every 5 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Modbus Explorer sells 1 one-off in-app purchase. BB VPN Box asks for nothing beyond the download.

Modbus Explorer ships an update every 2 weeks, BB VPN Box every 5 days. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Modbus Explorer | BB VPN Box |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 5 MB | 54 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [HASAN BARAN](https://appshunter.io/developer/6773067753) | [JUNGLELABS](https://appshunter.io/developer/6791826487) |

## What reviewers say

### Modbus Explorer

[App page](https://appshunter.io/ios/app/modbus-explorer/id6778095956)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Modbus Explorer Pro | $14.99 | one-time |


### BB VPN Box

[App page](https://appshunter.io/ios/app/bb-vpn-box/id6795911800)

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

**In-app purchases:** none


## Frequently asked questions

### Is Modbus Explorer free?

Modbus Explorer is free to download, with in-app purchases available.

### Is BB VPN Box free?

BB VPN Box is free to download, with no in-app purchases.

### Do Modbus Explorer or BB VPN Box have ads?

Neither Modbus Explorer nor BB VPN Box shows ads.

### Which is updated more often, Modbus Explorer or BB VPN Box?

Modbus Explorer ships an update every 2 weeks, and BB VPN Box every 5 days. Most recently, Modbus Explorer was updated on October 5, 2026 and BB VPN Box on October 24, 2026.

---

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