XSPOC vs Harbison
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
XSPOC
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.
- Integrated well management system
- Real-time data linking
- Support for multiple wellhead devices
- Remote well control
- Live data analysis
- Historical data graphing
- Alarm management
Read full descriptionHide full description
XSPOC is a comprehensive well management system that fully integrates all of Theta's software. It uses modern communication technologies to link real-time data to Theta's powerful diagnostic and design tools. XSPOC is not just for pump-off controllers anymore. It now supports other wellhead devices including submersibles and flow controllers. Other devices are being added all the time. Just take a quick look at the powerful features of XSPOC for the iPhone/iPad: *Licensing and login provided to protect your data and set user permissions for well control *Search all your groups to find the exact well you want to analyze *See the well name, pumping unit type, communication status, run status, and last good scan of all wells before you load the Well Status screen *Scanning any well to view live data for your POC, rods, wellhead pressures, loading and efficiency percentages, and a number of other important values for multiple different pumping unit types (Conventional, PCP, ESP, Mark 2, Air Balance, Rotaflex, and Hydraulic) *See your surface, downhole, POC, and Predicted cards by selecting a date and adding it to a graph to compare what's happening with your system *View graphs of your data history by selecting a date range, zooming, and manually changing the high and low values of any controller *Control your wells from anywhere in the world by starting, stopping, idling, enabling, disabling, and clearing the alarms right from your iPhone or iPad XSPOC is an essential tool for any engineer or oil industry professional that wants to control their oil fields whether they are in the office or in the oil field. Contact Theta Oilfield Services to find out how you can get this truly revolutionary mobile application!
Harbison
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.
- Dynamic parameter adjustment
- Instant production output calculation
- Imperial and metric unit options
- Linear stroke velocity alerts
- Sucker rod fall speed comparison
Read full descriptionHide full description
With the Harbison-Fischer production calculator app, you can dynamically adjust the sucker rod pump parameters and calculate output easily! Just ‘dial-in’ the Pump Size, Stroke Length and Strokes Per Minute and instantly view the estimated production output in imperial or metric units. It also lets you know when the maximum linear stroke velocity could exceed the fall speed of the sucker rods.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | XSPOC | Harbison |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (10 ratings) — better | 4.0 (4 ratings) |
| Positive reviews | 0.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 10 — better | 4 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 9.3 — better |
| Further details — not scored | ||
| Size | 36 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Theta Oilfield Services | ChampionX Corporation |
Customer experience
XSPOC
Harbison
In-app purchases
XSPOC
No in-app purchases
Harbison
No in-app purchases









