# Halo app vs ZenoPCB

The clearest difference is update cadence: ZenoPCB at every 4 days against Halo app's every 3 months. Halo app's advantage is iOS requirement (12.0 vs 15.5). 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.

Halo app ships an update every 3 months, ZenoPCB every 4 days. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Halo app | ZenoPCB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 87 MB | 39 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Son Ngo](https://appshunter.io/developer/1748757510) | [Truong Trong Than](https://appshunter.io/developer/1877448917) |

## What reviewers say

### Halo app

[App page](https://appshunter.io/ios/app/halo-app/id6503290149)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZenoPCB

[App page](https://appshunter.io/ios/app/zenopcb/id6759211734)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Halo app free?

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

### Is ZenoPCB free?

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

### Do Halo app or ZenoPCB have ads?

Neither Halo app nor ZenoPCB shows ads.

### Which is updated more often, Halo app or ZenoPCB?

Halo app ships an update every 3 months, and ZenoPCB every 4 days. Most recently, Halo app was updated on November 8, 2026 and ZenoPCB on November 9, 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.*