Hole Volumes vs Workover Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hole Volumes
This app calculates various oilfield volumes, including hole, annular, tubing, and displacement. Users input depth, casing, and tubing sizes to get quick results. It supports both metric and standard units and allows for custom pipe sizes.
- Calculate hole volumes
- Calculate annular volumes
- Calculate tubing volumes
- Calculate displacement volumes
- Supports metric and standard units
- Custom pipe size entry
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Oilfield Tubing Volumes allows you to easily calculate hole, annular, tubing, and displacement volumes. Just enter the depth, casing, and tubing size and the app will do the rest! -Made specifically for oilfield/service rig applications. -Easily figure out hole volumes by putting in the hole depth and selecting the pipe and casing size. -Change from metric to standard depths and sizes -Enter custom pipe sizes *These numbers will be very close, but due to pipe weights and make, volumes may be slightly off.
Workover Assistant
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.
- Hydrostatic pressure calculations
- Internal capacity calculations
- Oil and gas well workover tools
- Rig site and office utility
- Accurate field calculations
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Workover Assistant is designed to help field personnel perform quick, accurate calculations related to oil and gas well workovers. It includes tools for hydrostatic pressure, internal capacity, and other common workover functions—making it a handy companion for the rig site or office.
Screenshots
Verdict
The clearest difference is rating: Workover Assistant at 5.0 against Hole Volumes's 4.0. Hole Volumes's advantage is update cadence (every 5 months vs every 58 months). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Workover Assistant holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
Hole Volumes ships an update every 5 months, Workover Assistant every 58 months. The most recent releases landed on September 14, 2026 and June 5, 2026 respectively.
| Parameter | Hole Volumes | Workover Assistant |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 5 months — better | Every 58 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 4 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Ash Point Ltd. | Kelly Gayneaux |
Customer experience
Hole Volumes
Workover Assistant
In-app purchases
Hole Volumes
No in-app purchases
Workover Assistant
No in-app purchases
Questions
Is Hole Volumes free?
Is Workover Assistant free?
Which has better reviews, Hole Volumes or Workover Assistant?
Do Hole Volumes or Workover Assistant have ads?
Which is updated more often, Hole Volumes or Workover Assistant?
Other comparisons
