Hole Volumes vs DDToolsPro
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.
DDToolsPro
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This tool will help directional drillers and company men with day to day calculations for standard directional drilling and a segmented (survey) tool for curves! Terms of use : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Hole Volumes at Free against DDToolsPro's $9.99. Hole Volumes also leads on in-app purchases (none vs 2). DDToolsPro's advantage is update cadence (every 2 months vs every 5 months) and chart position (#167 vs unranked). On ads, device support and iOS requirement 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
Hole Volumes is free to download; DDToolsPro costs $9.99 up front. DDToolsPro sells 2 in-app purchases, starting at $12.99 per month. Hole Volumes asks for nothing beyond the download.
Hole Volumes ships an update every 5 months, DDToolsPro every 2 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Hole Volumes | DDToolsPro |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Best chart rank | — | #167 — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 4 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Ash Point Ltd. | Michael Blake |
In-app purchases
Hole Volumes
No in-app purchases
DDToolsPro
- DD Tools Pro Unlock - Monthly$12.991 Month
- DD Tools Pro Unlock - Annual$129.991 Year
Questions
Is Hole Volumes free?
Is DDToolsPro free?
Do Hole Volumes or DDToolsPro have ads?
Which is updated more often, Hole Volumes or DDToolsPro?
Other comparisons
