# Workover Assistant vs Black Gold Pump

The clearest difference is update cadence: Black Gold Pump at every 25 months against Workover Assistant's every 58 months. Black Gold Pump also leads on iOS requirement (13.4 vs 16.6). On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 5.0 for Workover Assistant against 5.0 for Black Gold Pump. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Workover Assistant ships an update every 58 months, Black Gold Pump every 25 months. The most recent releases landed on June 5, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Workover Assistant | Black Gold Pump |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/workover-assistant/id1117692519/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/black-gold-pump/id1438691971/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 25 months** |
| Monetization | Free | Free |
| Size | 3 MB | 20 MB |
| Requires iOS | 16.6 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) | [WANSCO, LLC](https://appshunter.io/developer/1438691970) |

## What reviewers say

### Workover Assistant

[App page](https://appshunter.io/ios/app/workover-assistant/id1117692519)

This utility app assists oil and gas field personnel with essential calculations for well workovers. It provides tools for hydrostatic pressure, internal capacity, and other critical functions, serving as a convenient resource for rig site or office use.

**Highlights:** Hydrostatic pressure calculations, Internal capacity calculations, Oil and gas well workover tools, Rig site and office utility, Accurate field calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### Black Gold Pump

[App page](https://appshunter.io/ios/app/black-gold-pump/id1438691971)

Calculate pump slippage accurately using the Patterson Slippage Equation method. This utility app is designed for production and pump supply professionals.

**Highlights:** Pump slippage calculation, Patterson Slippage Equation method, Production calculations, Utilities for professionals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Workover Assistant free?

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

### Is Black Gold Pump free?

Black Gold Pump is free to download, with no in-app purchases.

### Which has better reviews, Workover Assistant or Black Gold Pump?

Workover Assistant and Black Gold Pump are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Workover Assistant or Black Gold Pump have ads?

Neither Workover Assistant nor Black Gold Pump shows ads.

### Which is updated more often, Workover Assistant or Black Gold Pump?

Workover Assistant ships an update every 58 months, and Black Gold Pump every 25 months. Most recently, Workover Assistant was updated on June 5, 2026 and Black Gold Pump on June 10, 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.*