# Workover Assistant vs CPC Utility

The clearest difference is update cadence: CPC Utility at every 12 months against Workover Assistant's every 58 months. CPC Utility also leads on iOS requirement (13.0 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 CPC Utility. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Workover Assistant ships an update every 58 months, CPC Utility every 12 months. The most recent releases landed on June 5, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Workover Assistant | CPC Utility |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/workover-assistant/id1117692519/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/cpc-utility/id1502728707/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 12 months** |
| Monetization | Free | Free |
| Size | 3 MB | 27 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) | [Thru Tubing Solutions Inc.](https://appshunter.io/developer/1502728706) |

## 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


### CPC Utility

[App page](https://appshunter.io/ios/app/cpc-utility/id1502728707)

This utility app provides instant contact with well control services for emergencies. It also includes helpful calculators and lookup tables for casing, flange, coiled tubing, and nitrogen volume.

**Highlights:** 24/7 Well Control callout, Casing information lookup, Flange data, Coiled tubing calculator, Nitrogen volume calculator

**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 CPC Utility free?

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

### Which has better reviews, Workover Assistant or CPC Utility?

Workover Assistant and CPC Utility are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do Workover Assistant or CPC Utility have ads?

Neither Workover Assistant nor CPC Utility shows ads.

### Which is updated more often, Workover Assistant or CPC Utility?

Workover Assistant ships an update every 58 months, and CPC Utility every 12 months. Most recently, Workover Assistant was updated on June 5, 2026 and CPC Utility on June 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*