# Luna PBX vs ZDL

The clearest difference is update cadence: ZDL at every 4 months against Luna PBX's every 17 months. ZDL also leads on iOS requirement (14.0 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.

Luna PBX ships an update every 17 months, ZDL every 4 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Luna PBX | ZDL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zdl/id1415744847/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 97 MB | 23 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Numbergroup Network Limited](https://appshunter.io/developer/1175364590) | [Blackwired Pte Ltd.](https://appshunter.io/developer/1642378647) |

## What reviewers say

### Luna PBX

[App page](https://appshunter.io/ios/app/luna-pbx/id1175364591)

**In-app purchases:** none


### ZDL

[App page](https://appshunter.io/ios/app/zdl/id1415744847)

This platform offers real-time cyber-attack prevention by providing a unique view of adversary preparations. It aims to proactively safeguard enterprises from cyber threats before they occur.

**Highlights:** Proactive cyber-attack prevention, Real-time adversary monitoring, Global cyber observatory, Enterprise-level cyber-warfare capability, Performance updates and bug fixes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Luna PBX free?

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

### Is ZDL free?

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

### Do Luna PBX or ZDL have ads?

Neither Luna PBX nor ZDL shows ads.

### Which is updated more often, Luna PBX or ZDL?

Luna PBX ships an update every 17 months, and ZDL every 4 months. Most recently, Luna PBX was updated on October 16, 2026 and ZDL on October 14, 2026.

---

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