# Hole Volumes vs Field Safe

The clearest difference is rating: Hole Volumes at 4.0 against Field Safe's 2.3. Field Safe's advantage is review sentiment (33% vs 0%) and update cadence (every 5 weeks vs every 5 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Hole Volumes holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews complicate that: 0% of Hole Volumes's written reviews are positive against 33% of Field Safe's, so the app with the better star average is not the one people write more warmly about.

Hole Volumes ships an update every 5 months, Field Safe every 5 weeks. Both last shipped on November 1, 2026.

## The numbers

| Metric | Hole Volumes | Field Safe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/hole-volumes/id645763976/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/field-safe/id866909851/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 4 MB | 21 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ash Point Ltd.](https://appshunter.io/developer/567630274) | [Field Safe Solutions Inc](https://appshunter.io/developer/1501525602) |

## What reviewers say

### Hole Volumes

[App page](https://appshunter.io/ios/app/hole-volumes/id645763976)

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.

**Highlights:** Calculate hole volumes, Calculate annular volumes, Calculate tubing volumes, Calculate displacement volumes, Supports metric and standard units, Custom pipe size entry

**Features:** Vision Pro support

**In-app purchases:** none


### Field Safe

[App page](https://appshunter.io/ios/app/field-safe/id866909851)

This safety application connects field workers to a central server, ensuring their location and activities are always monitored. It aims to consolidate all worker safety aspects into a single, accessible platform.

**Highlights:** Worker location tracking, Activity monitoring, Centralized safety management, Direct server connection, Field worker safety

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hole Volumes free?

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

### Is Field Safe free?

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

### Which has better reviews, Hole Volumes or Field Safe?

Hole Volumes is rated higher. Hole Volumes averages 4.0 out of 5 from 3 ratings, while Field Safe averages 2.3 from 3 ratings.

### Do Hole Volumes or Field Safe have ads?

Neither Hole Volumes nor Field Safe shows ads.

### Which is updated more often, Hole Volumes or Field Safe?

Hole Volumes ships an update every 5 months, and Field Safe every 5 weeks. Most recently, Hole Volumes was updated on November 1, 2026 and Field Safe on November 1, 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.*