# Harbison-Fischer

> Sucker rod pump production calculator for oil and gas industry. (iPhone/iPad app by ChampionX Corporation.)

- Source: https://appshunter.io/ios/app/harbison-fischer/id1318912044 (this page in markdown: same URL + `.md`)
- Developer: [ChampionX Corporation](https://appshunter.io/developer/1445451969)
- Category: Business
- Price: Free
- Rating: 4.00/5 from 4 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.3 · 52 MB
- Released: 2018-03-26
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/harbison-fischer/id1318912044/reviews.md

## What is Harbison?

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.

## Key features

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

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/harbison-fischer/id1318912044/reviews.md

### 1/5 — Calculation are Wrong

*2018-08-05*

Calculations don’t match even close the HF slide rule or doing by hand!

### 5/5 — Sales Representative

*2018-07-30*

This is an awesome Application! Good job Brad

### 5/5 — Great App!

*2018-03-26*

This has saved me so much time, and time is money! I don’t know how we survived before it came out. 
Bravo to the developers!

## Frequently asked questions about Harbison

### What is Harbison-Fischer used for?

Harbison-Fischer is a production calculator app designed for the oil and gas industry. It helps users dynamically adjust sucker rod pump parameters to estimate production output.

### What units does Harbison-Fischer use for output?

Harbison-Fischer can display estimated production output in both imperial and metric units, offering flexibility for different user preferences and regional standards.

### Does Harbison-Fischer warn about potential issues?

Yes, Harbison-Fischer alerts users when the maximum linear stroke velocity might exceed the fall speed of the sucker rods, which is a critical safety and operational consideration.

### Is Harbison-Fischer available on Android devices?

Based on the provided data, Harbison-Fischer is currently supported on iPhone and iPod devices. Information regarding Android compatibility is not available.

### How often is Harbison-Fischer updated?

The latest version of Harbison-Fischer is 1.1.1, which was last updated on August 8, 2018. This indicates the app has not received recent updates.

### What is the rating for Harbison-Fischer?

Harbison-Fischer has a rating of 4.0 stars based on 4 user ratings. This suggests a generally positive reception from its limited user base.

### Is Harbison-Fischer free to use?

Yes, Harbison-Fischer is available for free. There are no costs associated with downloading or using its production calculation features.

### Does Harbison-Fischer have ads?

No, Harbison-Fischer does not contain advertisements. Users can utilize its features without interruption from promotional content.

## Version history (last 3 releases)

### 1.1.1 — 2018-08-08

This app has been updated by Apple to display the Apple Watch app icon.

There was a bug where the initial production calculation was off if the user didn't change the pump size first.

### 1.1.0 — 2018-06-26

Added tenths increments to the speed (SPM) slider.

### 1.0.1 — 2018-03-26

No release notes.

## Apps similar to Harbison

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Field Insight](https://appshunter.io/ios/app/field-insight/id1535610677) | 4.9 (14) | Free | Business |
| [iWell](https://appshunter.io/ios/app/iwell/id511118809) | 4.0 (4) | Free | Business |
| [Sucker Rod Pump](https://appshunter.io/ios/app/sucker-rod-pump/id6476977322) | — | Free | Business |
| [iWell Pumper](https://appshunter.io/ios/app/iwell-pumper/id737327931) | 3.5 (13) | Free | Business |
| [GreaseBook](https://appshunter.io/ios/app/greasebook/id1035217729) | 3.9 (63) | Free | Business |
| [Halliburton eRedBook® Mobile](https://appshunter.io/ios/app/halliburton-eredbook-mobile/id507496941) | 3.7 (30) | Free | Business |

## More apps by ChampionX Corporation

- [Field Service X](https://appshunter.io/ios/app/field-service-x/id6444268473)
- [DeteX360](https://appshunter.io/ios/app/detex360/id6677053310)
- [FXO - FleetX Operations](https://appshunter.io/ios/app/fxo-fleetx-operations/id6754467476)

All apps by ChampionX Corporation: https://appshunter.io/developer/1445451969

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*