# PosKing vs Rhombus POS

The clearest difference is review sentiment: Rhombus POS at 100% against PosKing's 56%. Rhombus POS also leads on rating (4.8 vs 3.1) and in-app purchases (none vs 6). PosKing's advantage is ratings volume (13 vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PosKing sells 6 in-app purchases, starting at $20.00 per month. Rhombus POS asks for nothing beyond the download.

Rhombus POS holds the better App Store score, 4.8 against 3.1. Both are backed by a comparable volume of ratings — 13 and 4 respectively. Written reviews point the same way: 56% of PosKing's written reviews are positive against 100% of Rhombus POS's.

PosKing ships an update monthly, Rhombus POS every 2 months. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PosKing | Rhombus POS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (13 ratings)](https://appshunter.io/ios/app/posking/id1432508771/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/rhombus-pos/id1491830315/reviews)** |
| Number of ratings | **13** | 4 |
| Positive reviews | 56.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 53 MB | 153 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SoftAsia](https://appshunter.io/developer/1432508590) | [Rhombus POS, Inc.](https://appshunter.io/developer/1491830314) |

## What reviewers say

### PosKing

[App page](https://appshunter.io/ios/app/posking/id1432508771)

This comprehensive point-of-sale system offers cash register, inventory, and customer management features. It supports various business types, including retail, food service, and personal services, with options for peripheral integration and offline use.

**Highlights:** Cash register functionality, Inventory management, Customer relationship management, Offline operation, Employee management, Peripheral device support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Edition | $20.00 | per month |
| Standard Edition | $45.00 | per month |
| Premium Edition | $90.00 | per month |
| Basic Edition (Yearly) | $200.00 | per year |
| Standard Edition (Yearly) | $450.00 | per year |
| Premium Edition (Yearly) | $900.00 | per year |


### Rhombus POS

[App page](https://appshunter.io/ios/app/rhombus-pos/id1491830315)

This free point-of-sale software offers flexible inventory management with unlimited items, categories, and user accounts. It supports various payment types, including split payments and tips, and provides essential business reports. Enhance functionality with optional add-ons for multiple locations and advanced reporting.

**Highlights:** Unlimited inventory items and categories, Unlimited user accounts with PIN protection, Multiple payment types and split payments, Email and text receipt options, X and Z business reports, Optional multi-location and advanced reporting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PosKing free?

PosKing is free to download, with in-app purchases available.

### Is Rhombus POS free?

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

### Which has better reviews, PosKing or Rhombus POS?

Rhombus POS is rated higher. PosKing averages 3.1 out of 5 from 13 ratings, while Rhombus POS averages 4.8 from 4 ratings.

### Do PosKing or Rhombus POS have ads?

Neither PosKing nor Rhombus POS shows ads.

### Which is updated more often, PosKing or Rhombus POS?

PosKing ships an update monthly, and Rhombus POS every 2 months. Most recently, PosKing was updated on October 24, 2026 and Rhombus POS on October 11, 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.*