# XSPOC vs Harbison

The clearest difference is review sentiment: Harbison at 67% against XSPOC's 0%. Harbison also leads on iOS requirement (9.3 vs 13.0). XSPOC's advantage is rating (4.6 vs 4.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

XSPOC holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 10 and 4 respectively. Written reviews complicate that: 0% of XSPOC's written reviews are positive against 67% of Harbison's, so the app with the better star average is not the one people write more warmly about.

XSPOC ships an update every 3 months, Harbison every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | XSPOC | Harbison |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/xspoc/id547352191/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/harbison-fischer/id1318912044/reviews) |
| Number of ratings | **10** | 4 |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 36 MB | 52 MB |
| Requires iOS | 13.0 | **9.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Theta Oilfield Services](https://appshunter.io/developer/346628160) | [ChampionX Corporation](https://appshunter.io/developer/1445451969) |

## 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


### Harbison

[App page](https://appshunter.io/ios/app/harbison-fischer/id1318912044)

This app allows users to dynamically adjust sucker rod pump parameters to calculate output. It provides instant estimates in imperial or metric units and alerts users if maximum linear stroke velocity exceeds fall speed.

**Highlights:** Dynamic parameter adjustment, Instant production output calculation, Imperial and metric unit options, Linear stroke velocity alerts, Sucker rod fall speed comparison

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is XSPOC free?

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

### Is Harbison free?

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

### Which has better reviews, XSPOC or Harbison?

XSPOC is rated higher. XSPOC averages 4.6 out of 5 from 10 ratings, while Harbison averages 4.0 from 4 ratings.

### Do XSPOC or Harbison have ads?

Neither XSPOC nor Harbison shows ads.

### Which is updated more often, XSPOC or Harbison?

XSPOC ships an update every 3 months, and Harbison every 2 months. Most recently, XSPOC was updated on November 1, 2026 and Harbison on November 2, 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.*