# PBX vs Labrador Tower

The clearest difference is update cadence: Labrador Tower at every 2 months against PBX's every 4 months. PBX's advantage is iOS requirement (12.0 vs 16.0). 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.

PBX ships an update every 4 months, Labrador Tower every 2 months. The most recent releases landed on September 12, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | PBX | Labrador Tower |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 28 MB | 61 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PracBiz Pte Ltd](https://appshunter.io/developer/1833141553) | [HABITAP PTE. LTD](https://appshunter.io/developer/1131905342) |

## What reviewers say

### PBX

[App page](https://appshunter.io/ios/app/pbx/id1567169977)

**Features:** macOS Compatibility

**In-app purchases:** none


### Labrador Tower

[App page](https://appshunter.io/ios/app/labrador-tower/id6504077179)

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

**In-app purchases:** none


## Frequently asked questions

### Is PBX free?

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

### Is Labrador Tower free?

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

### Do PBX or Labrador Tower have ads?

Neither PBX nor Labrador Tower shows ads.

### Which is updated more often, PBX or Labrador Tower?

PBX ships an update every 4 months, and Labrador Tower every 2 months. Most recently, PBX was updated on September 12, 2026 and Labrador Tower on September 11, 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.*