# zComms vs Auto Maintenance App

The clearest difference is in-app purchases: zComms at none against Auto Maintenance App's 2. zComms also leads on iOS requirement (12.0 vs 15.0). Auto Maintenance App's advantage is update cadence (every 2 weeks vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Auto Maintenance App sells 2 in-app purchases, starting at $2.99 per month. zComms asks for nothing beyond the download.

zComms ships an update monthly, Auto Maintenance App every 2 weeks. The most recent releases landed on September 8, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | zComms | Auto Maintenance App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 178 MB | 52 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ness Corporation Pty Limited](https://appshunter.io/developer/423320418) | [Pradap Pandiyan](https://appshunter.io/developer/1833284936) |

## What reviewers say

### zComms

[App page](https://appshunter.io/ios/app/zcomms/id1451025309)

Transform your Ness security panel into a smart home hub. This application enables Z-Wave device control and push notifications through your mobile device via a Ness Z-Wave Gateway.

**Highlights:** Z-Wave device control, Smart home integration, Push notifications, Rule engine for automation, Remote access via mobile

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

**In-app purchases:** none


### Auto Maintenance App

[App page](https://appshunter.io/ios/app/auto-maintenance-app/id6751143390)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Car Maintenance Premium | $2.99 | per month |
| Car Maintenance Premium | $24.99 | per year |


## Frequently asked questions

### Is zComms free?

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

### Is Auto Maintenance App free?

Auto Maintenance App is free to download, with in-app purchases available.

### Do zComms or Auto Maintenance App have ads?

Neither zComms nor Auto Maintenance App shows ads.

### Which is updated more often, zComms or Auto Maintenance App?

zComms ships an update monthly, and Auto Maintenance App every 2 weeks. Most recently, zComms was updated on September 8, 2026 and Auto Maintenance App on August 27, 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.*