Hole Volumes vs unit.
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.
unit.
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Quick conversions. Your favorite units. Running pace in one place. unit. helps you convert everyday units, currency, height, fuel economy, tire pressure, and running pace with a simple keypad and clear results. • Convert length, weight, volume, temperature, speed, area, and more. • Enter feet and inches together, or convert metric height to feet and inches. • Enter and read weights as pounds plus ounces. • Save favorite units for quick access. • Calculate running pace, finish times, and treadmill speeds. • Convert currencies including Israeli new shekels (ILS), with dated daily reference rates. • Tap any result to copy it. One download includes all features. No in-app purchases, subscriptions, trial enrollment, or account required. Existing users retain full access after updating. Everyday conversions and running calculations work offline. Currency conversion uses saved rates after the first successful update. Rates are daily reference rates, not transaction quotes; your bank may use a different rate or add fees. Made by App Labs LLC. Support: info@applabs.club
Screenshots
Verdict
The clearest difference is price: Hole Volumes at Free against unit.'s $4.99. Hole Volumes also leads on in-app purchases (none vs 2). unit.'s advantage is update cadence (every 6 days vs every 5 months) and device support (3 vs 1). On ads 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; unit. costs $4.99 up front. unit. sells 2 one-off in-app purchases. Hole Volumes asks for nothing beyond the download.
Hole Volumes ships an update every 5 months, unit. every 6 days. The most recent releases landed on October 18, 2026 and October 26, 2026 respectively.
| Parameter | Hole Volumes | unit. |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Ash Point Ltd. | APP LABS LLC |
In-app purchases
Hole Volumes
No in-app purchases
unit.
- 14-day TrialFree
- Full Unlock$6.99
Questions
Is Hole Volumes free?
Is unit. free?
Do Hole Volumes or unit. have ads?
Which is updated more often, Hole Volumes or unit.?
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