# POS Billing System by Moon vs Mars Express KH

The clearest difference is in-app purchases: Mars Express KH at none against POS Billing System by Moon's 23. Mars Express KH also leads on iOS requirement (12.0 vs 15.0). POS Billing System by Moon's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. POS Billing System by Moon sells 22 in-app purchases, starting at $4.99 per month. Mars Express KH asks for nothing beyond the download.

POS Billing System by Moon ships an update every 2 weeks, Mars Express KH every 2 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | POS Billing System by Moon | Mars Express KH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26 ratings)](https://appshunter.io/ios/app/pos-billing-system-by-moon/id1572829330/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 69 MB | 36 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moon Technolabs Pvt Ltd](https://appshunter.io/developer/558496197) | [Ry Sokkheng](https://appshunter.io/developer/1628036349) |

## What reviewers say

### POS Billing System by Moon

[App page](https://appshunter.io/ios/app/pos-billing-system-by-moon/id1572829330)

Streamline retail and restaurant operations with a powerful point-of-sale system. Enhance workflow speed, manage orders, track inventory, and process payments efficiently. Gain insights with an interactive dashboard and simplify checkout for customers.

**Highlights:** Order Management, QR Code Menu, Inventory Tracking, Business Reports, Online Payments, Expense Tracking, Sales Receipts

**Features:** Vision Pro support

**In-app purchases (22)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Montly | $4.99 | per month |
| Starter Monthly | $4.99 | per month |
| Standard Monthly | $9.99 | per month |
| Silver (1 Business • 1 User) | $9.99 | per month |
| Premium Monthly | $14.99 | per month |
| Premium Monthly | $14.99 | per month |
| Gold (2 Businesses • 5 Users) | $14.99 | per month |
| Gold (2 Businesses • 5 Users) | $14.99 | per month |
| Enterprise Monthly | $19.99 | per month |
| Starter Yearly | $49.99 | per year |
| Standard Yearly | $99.99 | per year |
| Silver (1 Business • 1 User) | $99.99 | per year |
| Silver (1 Business • 1 User) | $99.99 | per year |
| Standard Yearly | $139.99 | per year |
| Standard Yearly | $149.99 | per year |
| Gold (2 Businesses • 5 Users) | $149.99 | per year |
| Gold (2 Businesses • 5 Users) | $149.99 | per year |
| Standard Yearly | $189.99 | per year |
| Standard Yearly | $199.99 | per year |
| Standard Yearly | $239.99 | per year |
| Standard Yearly | $299.99 | per year |
| Standard Yearly | $339.99 | per year |


### Mars Express KH

[App page](https://appshunter.io/ios/app/mars-express-kh/id1628036347)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is POS Billing System by Moon free?

POS Billing System by Moon is free to download, with in-app purchases available.

### Is Mars Express KH free?

Mars Express KH is free to download, with no in-app purchases.

### Do POS Billing System by Moon or Mars Express KH have ads?

Neither POS Billing System by Moon nor Mars Express KH shows ads.

### Which is updated more often, POS Billing System by Moon or Mars Express KH?

POS Billing System by Moon ships an update every 2 weeks, and Mars Express KH every 2 months. Most recently, POS Billing System by Moon was updated on October 6, 2026 and Mars Express KH 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.*