# BX1 vs PTB

The clearest difference is ads: PTB at none against BX1's shown. PTB also leads on update cadence (every 4 days vs every 23 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BX1 ships an update every 23 months, PTB every 4 days. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | BX1 | PTB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 4 days** |
| Size | 21 MB | 4 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BX1](https://appshunter.io/developer/492238077) | [PVDA België - PTB Belgique](https://appshunter.io/developer/1711545153) |

## What reviewers say

### BX1

[App page](https://appshunter.io/ios/app/bx1/id1088283244)

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

**In-app purchases:** none


### PTB

[App page](https://appshunter.io/ios/app/ptb/id6469188929)

**In-app purchases:** none


## Frequently asked questions

### Is BX1 free?

BX1 is free to download, with no in-app purchases.

### Is PTB free?

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

### Do BX1 or PTB have ads?

BX1 shows ads; PTB does not.

### Which is updated more often, BX1 or PTB?

BX1 ships an update every 23 months, and PTB every 4 days. Most recently, BX1 was updated on September 29, 2026 and PTB on October 5, 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.*