# Drill Bit Nozzle Calculator vs Rig Vision

The clearest difference is iOS requirement: Drill Bit Nozzle Calculator at 9.0 against Rig Vision's 15.0. On price, rating, ratings volume and update cadence there is nothing between them.

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 Drill Bit Nozzle Calculator against 5.0 for Rig Vision. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Drill Bit Nozzle Calculator ships an update every 2 months, Rig Vision every 3 months. The most recent releases landed on October 29, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Drill Bit Nozzle Calculator | Rig Vision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/drill-bit-nozzle-calculator/id1144121595/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/rig-vision/id1612137816/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 55 MB | 16 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NOV Inc.](https://appshunter.io/developer/578550101) | [ALDONSA, INC.](https://appshunter.io/developer/1612137818) |

## What reviewers say

### Drill Bit Nozzle Calculator

[App page](https://appshunter.io/ios/app/drill-bit-nozzle-calculator/id1144121595)

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.

**Highlights:** Calculate bit TFA, Calculate pressure drop, Calculate HSI, Calculate Impact Force, Reverse nozzle size calculation, Input bit size, flow rate, nozzles, mud weight

**Features:** macOS Compatibility

**In-app purchases:** none


### Rig Vision

[App page](https://appshunter.io/ios/app/rig-vision/id1612137816)

Access real-time oilfield data and monitor your wells from your iOS device. View graphs, maps, and reports with this secure system. Requires authorized user access.

**Highlights:** Real-time data acquisition, Well monitoring, Graphs and maps, Real-time text reports, iOS device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Drill Bit Nozzle Calculator free?

Drill Bit Nozzle Calculator is free to download, with no in-app purchases.

### Is Rig Vision free?

Rig Vision is free to download, with no in-app purchases.

### Which has better reviews, Drill Bit Nozzle Calculator or Rig Vision?

Drill Bit Nozzle Calculator and Rig Vision are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Drill Bit Nozzle Calculator or Rig Vision have ads?

Neither Drill Bit Nozzle Calculator nor Rig Vision shows ads.

### Which is updated more often, Drill Bit Nozzle Calculator or Rig Vision?

Drill Bit Nozzle Calculator ships an update every 2 months, and Rig Vision every 3 months. Most recently, Drill Bit Nozzle Calculator was updated on October 29, 2026 and Rig Vision on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*