# RP Prism vs 3CX

The clearest difference is rating: RP Prism at 5.0 against 3CX's 2.6. RP Prism also leads on iOS requirement (12.1 vs 16.3). 3CX's advantage is ratings volume (322 vs 5) and update cadence (every 6 weeks vs every 5 months). 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.

RP Prism holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: 3CX has 322 ratings behind it against 5, so its average is the more settled of the two.

RP Prism ships an update every 5 months, 3CX every 6 weeks. The most recent releases landed on October 18, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | RP Prism | 3CX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/rp-prism/id914171603/reviews)** | [2.6 (322 ratings)](https://appshunter.io/ios/app/3cx/id992045982/reviews) |
| Number of ratings | 5 | **322** |
| Positive reviews | — | 28.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 16 MB | 65 MB |
| Requires iOS | **12.1** | 16.3 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Retail Pro International](https://appshunter.io/developer/910424346) | [3CX](https://appshunter.io/developer/392927998) |

## What reviewers say

### RP Prism

[App page](https://appshunter.io/ios/app/rp-prism/id914171603)

This app provides comprehensive retail management tools for mobile and desktop devices, offering point of sale, customer management, inventory lookup, and secure payment processing. It's designed for specialty retailers seeking agility, data security, and operational control with reduced hardware needs.

**Highlights:** Point of Sale and Checkout, Customer Management, Inventory and Price Lookup, Offline Ticketing, Integrated, Secure EFT, Employee Management

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RP Prism free?

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

### Is 3CX free?

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

### Which has better reviews, RP Prism or 3CX?

RP Prism is rated higher. RP Prism averages 5.0 out of 5 from 5 ratings, while 3CX averages 2.6 from 322 ratings.

### Do RP Prism or 3CX have ads?

Neither RP Prism nor 3CX shows ads.

### Which is updated more often, RP Prism or 3CX?

RP Prism ships an update every 5 months, and 3CX every 6 weeks. Most recently, RP Prism was updated on October 18, 2026 and 3CX on October 26, 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.*