# InventarApp vs VoIPXS CallManager

The clearest difference is iOS requirement: InventarApp at 13.0 against VoIPXS CallManager's 15.0. 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.

Both ship on a similar rhythm, roughly every 4 weeks. The most recent releases landed on August 31, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | InventarApp | VoIPXS CallManager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | Every 4 weeks |
| Size | 2 MB | 7 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [X-Matic GesmbH](https://appshunter.io/developer/516600840) | [Speak Freely](https://appshunter.io/developer/1266311387) |

## What reviewers say

### InventarApp

[App page](https://appshunter.io/ios/app/inventarapp/id1161322864)

**Features:** macOS Compatibility

**In-app purchases:** none


### VoIPXS CallManager

[App page](https://appshunter.io/ios/app/voipxs-callmanager/id6446484491)

**In-app purchases:** none


## Frequently asked questions

### Is InventarApp free?

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

### Is VoIPXS CallManager free?

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

### Do InventarApp or VoIPXS CallManager have ads?

Neither InventarApp nor VoIPXS CallManager shows ads.

### Which is updated more often, InventarApp or VoIPXS CallManager?

InventarApp ships an update every 4 weeks, and VoIPXS CallManager every 4 weeks. Most recently, InventarApp was updated on August 31, 2026 and VoIPXS CallManager on September 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.*