# Workover Assistant vs PumpSentri2

The clearest difference is update cadence: PumpSentri2 at every 6 months against Workover Assistant's every 58 months. PumpSentri2 also leads on iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Workover Assistant ships an update every 58 months, PumpSentri2 every 6 months. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Workover Assistant | PumpSentri2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/workover-assistant/id1117692519/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 3 MB | 31 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) | [Cornell Pump Company](https://appshunter.io/developer/879210510) |

## 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


### PumpSentri2

[App page](https://appshunter.io/ios/app/pumpsentri2/id6480528615)

**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 PumpSentri2 free?

PumpSentri2 is free to download, with no in-app purchases.

### Do Workover Assistant or PumpSentri2 have ads?

Neither Workover Assistant nor PumpSentri2 shows ads.

### Which is updated more often, Workover Assistant or PumpSentri2?

Workover Assistant ships an update every 58 months, and PumpSentri2 every 6 months. Most recently, Workover Assistant was updated on October 20, 2026 and PumpSentri2 on October 15, 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.*