WellDrive vs Drill Bit Nozzle Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WellDrive
Access and manage well-related documents and files directly from your mobile device. Browse entries, download necessary files, and upload new documents or edits made in other applications.
- Browse wells, entries, and files
- Download documents
- Upload files
- Edit and upload documents
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Features: *Browse wells, entries and files *Download documents to your device *Upload files to WellDrive *Edit documents in other apps & send to WellDrive for upload For registered WellDrive users only.
Drill Bit Nozzle Calculator
Calculate essential drilling parameters like bit TFA, pressure drop, and impact force using bit size, flow rate, and mud weight. Offers a reverse calculation to determine nozzle sizes for a specific total flow area and number of nozzles.
- Calculate bit TFA
- Calculate pressure drop
- Calculate HSI
- Calculate Impact Force
- Reverse nozzle size calculation
- Input bit size, flow rate, nozzles, mud weight
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The Drill Bit Nozzle Calculator allows the user to quickly get results such as bit TFA, pressure drop, HSI, Impact Force, etc. based on inputs of bit size, flow rate, nozzles and mud weight. A reverse calculation of nozzle sizes for a desired total flow area and number of nozzles is also available.
Screenshots
Verdict
The clearest difference is update cadence: Drill Bit Nozzle Calculator at every 2 months against WellDrive's every 9 months. Drill Bit Nozzle Calculator also leads on iOS requirement (9.0 vs 11.0). On price, rating, ratings volume and 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
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 WellDrive against 5.0 for Drill Bit Nozzle Calculator. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
WellDrive ships an update every 9 months, Drill Bit Nozzle Calculator every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | WellDrive | Drill Bit Nozzle Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 | 2 |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 44 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | WellDrive | NOV Inc. |
Customer experience
WellDrive
Drill Bit Nozzle Calculator
In-app purchases
WellDrive
No in-app purchases
Drill Bit Nozzle Calculator
No in-app purchases
Questions
Is WellDrive free?
Is Drill Bit Nozzle Calculator free?
Which has better reviews, WellDrive or Drill Bit Nozzle Calculator?
Do WellDrive or Drill Bit Nozzle Calculator have ads?
Which is updated more often, WellDrive or Drill Bit Nozzle Calculator?
Other comparisons
