# Quail Tools vs PDC Bit & Drilling Calculator

The clearest difference is price: Quail Tools at Free against PDC Bit & Drilling Calculator's $1.99. Quail Tools also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On ads and in-app purchases there is nothing between them.

Quail Tools is free to download; PDC Bit & Drilling Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Quail Tools | PDC Bit & Drilling Calculator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (22 ratings)](https://appshunter.io/ios/app/quail-tools/id1279372123/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | — |
| Size | 50 MB | 2 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Austin Angelle](https://appshunter.io/developer/1801766276) | [zhandos uakanov](https://appshunter.io/developer/625286817) |

## What reviewers say

### Quail Tools

[App page](https://appshunter.io/ios/app/quail-tools/id1279372123)

Access essential specifications for Tubulars, BOPs, and API Casing offline. View detailed data like tool joint OD, make-up torque, and pressure ratings. Share spec sheets when an internet connection is available.

**Highlights:** Offline access to Tubular and BOP specs, API Casing General Information table, Detailed spec sheets for equipment, Shareable spec sheets (online), Save spec sheets to device, Tool joint OD, ID, torque, tensile, BOP pressure rating, bonnet type, operating data

**Features:** macOS Compatibility

**In-app purchases:** none


### PDC Bit & Drilling Calculator

[App page](https://appshunter.io/ios/app/pdc-bit-and-drilling-calculator/id1445383576)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Quail Tools free?

Quail Tools is free to download, with no in-app purchases.

### Is PDC Bit & Drilling Calculator free?

PDC Bit & Drilling Calculator costs $1.99, with no in-app purchases.

### Do Quail Tools or PDC Bit & Drilling Calculator have ads?

Neither Quail Tools nor PDC Bit & Drilling Calculator shows ads.

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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.*