# Pump Rate Calculator vs Workover Assistant

The clearest difference is update cadence: Pump Rate Calculator at every 2 months against Workover Assistant's every 58 months. Pump Rate Calculator also leads on device support (4 vs 2) and iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Pump Rate Calculator ships an update every 2 months, Workover Assistant every 58 months. The most recent releases landed on September 14, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Pump Rate Calculator | Workover Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/workover-assistant/id1117692519/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 58 months |
| Monetization | Free | Free |
| Size | 3 MB | 3 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ash Point Ltd.](https://appshunter.io/developer/567630274) | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) |

## What reviewers say

### Pump Rate Calculator

[App page](https://appshunter.io/ios/app/pump-rate-calculator/id567630271)

This utility app helps oilfield professionals quickly calculate pump rates, volume pumped, and time spent pumping. Simply input the pump coefficient and tap along with the pump strokes for instant results.

**Highlights:** Calculate pump rate, Calculate volume pumped, Calculate time pumping, Track time started, Input pump coefficient

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Pump Rate Calculator free?

Pump Rate Calculator is free to download, with no in-app purchases.

### Is Workover Assistant free?

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

### Do Pump Rate Calculator or Workover Assistant have ads?

Neither Pump Rate Calculator nor Workover Assistant shows ads.

### Which is updated more often, Pump Rate Calculator or Workover Assistant?

Pump Rate Calculator ships an update every 2 months, and Workover Assistant every 58 months. Most recently, Pump Rate Calculator was updated on September 14, 2026 and Workover Assistant on June 5, 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.*