# XSPOC vs Open Invoice

XSPOC and Open Invoice are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | XSPOC | Open Invoice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/xspoc/id547352191/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 36 MB | 40 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Theta Oilfield Services](https://appshunter.io/developer/346628160) | [Yeun Kae Ngow](https://appshunter.io/developer/1650239962) |

## What reviewers say

### XSPOC

[App page](https://appshunter.io/ios/app/xspoc/id547352191)

This comprehensive system integrates well management software, linking real-time data to diagnostic and design tools. It supports various wellhead devices and allows remote control of oil fields from anywhere. Analyze live data, view historical graphs, and manage alarms efficiently.

**Highlights:** Integrated well management system, Real-time data linking, Support for multiple wellhead devices, Remote well control, Live data analysis, Historical data graphing, Alarm management

**Features:** macOS Compatibility

**In-app purchases:** none


### Open Invoice

[App page](https://appshunter.io/ios/app/open-invoice/id6446753104)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is XSPOC free?

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

### Is Open Invoice free?

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

### Do XSPOC or Open Invoice have ads?

Neither XSPOC nor Open Invoice shows ads.

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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.*