# COMAX Service vs Billix

The clearest difference is iOS requirement: COMAX Service at 13.0 against Billix's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

COMAX Service ships an update every 4 months, Billix every 5 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | COMAX Service | Billix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Size | 87 MB | 20 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Native Data Systems (1995) LTD.](https://appshunter.io/developer/581907863) | [Roy Zoaretz](https://appshunter.io/developer/1832788738) |

## What reviewers say

### COMAX Service

[App page](https://appshunter.io/ios/app/comax-service/id1610327383)

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

**In-app purchases:** none


### Billix

[App page](https://appshunter.io/ios/app/billix/id6749906286)

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

**In-app purchases:** none


## Frequently asked questions

### Is COMAX Service free?

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

### Is Billix free?

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

### Do COMAX Service or Billix have ads?

Neither COMAX Service nor Billix shows ads.

### Which is updated more often, COMAX Service or Billix?

COMAX Service ships an update every 4 months, and Billix every 5 months. Most recently, COMAX Service was updated on October 30, 2026 and Billix on October 28, 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.*