# 3CX vs ParaMaster

The clearest difference is update cadence: 3CX at monthly against ParaMaster's every 9 months. ParaMaster's advantage is review sentiment (40% vs 28%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

3CX ships an update monthly, ParaMaster every 9 months. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 3CX | ParaMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (321 ratings)](https://appshunter.io/ios/app/3cx/id992045982/reviews)** | — |
| Number of ratings | **321** | — |
| Positive reviews | 28.3% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 9 months |
| Monetization | Free | Free |
| Size | 64 MB | 33 MB |
| Requires iOS | 16.3 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [3CX](https://appshunter.io/developer/392927998) | [WIKUS-Sägenfabrik Wilhelm H. Kullmann GmbH & Co. KG](https://appshunter.io/developer/1309490907) |

## What reviewers say

### 3CX

[App page](https://appshunter.io/ios/app/3cx/id992045982)

This app enables remote work by allowing users to access their office phone extension from any location. It facilitates calls, conference scheduling, team chat, and video conferencing directly from an iOS device.

**Highlights:** Office extension access anywhere, Schedule conferences, Chat with colleagues, Video calls, QR code setup

**Features:** Siri integration, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Works great
- 👍 Easy to use
- 👍 Convenient mobile extension
- 👍 Reliable system
- 👍 Powerful features

**What reviewers complain about**

- 🐛 Calls drop/disconnect
- 🐛 Call quality issues
- 🐛 Unreliable notifications
- 🐛 Frequent bugs and crashes
- 🐛 Compatibility issues with iOS updates

**Reported bugs**

- Inability to answer/make calls
- Freezing/crashing during calls
- Missed call notifications not working
- Incompatibility with certain iOS versions
- Issues with call transfer and merging

**Requested features**

- Apple Watch support
- Customizable ringtones
- Do Not Disturb mode
- Call transfer/parking functionality
- Improved voicemail management


### ParaMaster

[App page](https://appshunter.io/ios/app/paramaster/id1309490908)

This application helps optimize cutting processes and select the correct band saw blade. It offers recommendations for suitable parameters based on a vast database of materials and machines, with an intuitive interface requiring no prior knowledge.

**Highlights:** Cutting process optimization, Band saw blade selection, Parameter recommendations, Extensive material database, Intuitive user interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 3CX free?

3CX is free to download, with no in-app purchases.

### Is ParaMaster free?

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

### Do 3CX or ParaMaster have ads?

Neither 3CX nor ParaMaster shows ads.

### Which is updated more often, 3CX or ParaMaster?

3CX ships an update monthly, and ParaMaster every 9 months. Most recently, 3CX was updated on October 9, 2026 and ParaMaster on October 1, 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.*