# GeoFieldBook vs Directional Drilling

The clearest difference is price: GeoFieldBook at Free against Directional Drilling's $29.99. Directional Drilling's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 14.5). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

GeoFieldBook is free to download; Directional Drilling costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GeoFieldBook ships an update every 14 months, Directional Drilling every 8 months. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | GeoFieldBook | Directional Drilling |
| --- | --- | --- |
| Price | **Free** | $29.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/geofieldbook/id526812324/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 8 months** |
| Monetization | **Free** | Paid |
| Size | 9 MB | 21 MB |
| Requires iOS | 14.5 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lafayette](https://appshunter.io/developer/526812327) | [Carlos Moura](https://appshunter.io/developer/407501202) |

## What reviewers say

### GeoFieldBook

[App page](https://appshunter.io/ios/app/geofieldbook/id526812324)

This app digitizes geological field mapping, replacing paper notebooks. It uses the iPad's GPS and camera to log structural and formation data, link images, and display real-time maps with oriented strikes and dips. Data can be exported for analysis.

**Highlights:** Digital field notebook, GPS-enabled data logging, Image linking to records, Real-time map display, Export data in CSV format, Import existing datasets

**Features:** macOS Compatibility

**In-app purchases:** none


### Directional Drilling

[App page](https://appshunter.io/ios/app/directional-drilling/id928989079)

This application provides essential tools for oil and gas directional drilling. It aids in well planning, survey data management, and 3D plotting. Users can import and export data, perform various calculations, and visualize well paths.

**Highlights:** Well planning with multiple sections, Import/export survey data, Multiple calculation methods, 2D and 3D well plotting, Support for length units (foot/meter), Multilateral well plotting

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

**In-app purchases:** none


## Frequently asked questions

### Is GeoFieldBook free?

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

### Is Directional Drilling free?

Directional Drilling costs $29.99, with no in-app purchases.

### Do GeoFieldBook or Directional Drilling have ads?

Neither GeoFieldBook nor Directional Drilling shows ads.

### Which is updated more often, GeoFieldBook or Directional Drilling?

GeoFieldBook ships an update every 14 months, and Directional Drilling every 8 months. Most recently, GeoFieldBook was updated on September 28, 2026 and Directional Drilling on October 2, 2026.

---

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