# Forth Ports VBS vs Subby App

The clearest difference is update cadence: Subby App at every 2 months against Forth Ports VBS's every 4 months. Forth Ports VBS's advantage is iOS requirement (12.0 vs 15.6). 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.

Forth Ports VBS ships an update every 4 months, Subby App every 2 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Forth Ports VBS | Subby App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 8 MB | 47 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FORTH PORTS LTD](https://appshunter.io/developer/1036687740) | [Road Tech Computer Systems Ltd.](https://appshunter.io/developer/740517139) |

## What reviewers say

### Forth Ports VBS

[App page](https://appshunter.io/ios/app/forth-ports-vbs/id1213714368)

**Features:** macOS Compatibility

**In-app purchases:** none


### Subby App

[App page](https://appshunter.io/ios/app/subby-app/id1671780514)

**In-app purchases:** none


## Frequently asked questions

### Is Forth Ports VBS free?

Forth Ports VBS is free to download, with no in-app purchases.

### Is Subby App free?

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

### Do Forth Ports VBS or Subby App have ads?

Neither Forth Ports VBS nor Subby App shows ads.

### Which is updated more often, Forth Ports VBS or Subby App?

Forth Ports VBS ships an update every 4 months, and Subby App every 2 months. Most recently, Forth Ports VBS was updated on October 26, 2026 and Subby App on October 30, 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.*