# Rig Count vs Halliburton eRedBook® Mobile

The clearest difference is rating: Halliburton eRedBook® Mobile at 3.8 against Rig Count's 2.2. Halliburton eRedBook® Mobile also leads on review sentiment (67% vs 27%). Rig Count's advantage is update cadence (every 6 months vs every 25 months) and iOS requirement (9.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Halliburton eRedBook® Mobile holds the better App Store score, 3.8 against 2.2. Both are backed by a comparable volume of ratings — 37 and 32 respectively. Written reviews point the same way: 27% of Rig Count's written reviews are positive against 67% of Halliburton eRedBook® Mobile's.

Rig Count ships an update every 6 months, Halliburton eRedBook® Mobile every 25 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Rig Count | Halliburton eRedBook® Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (37 ratings)](https://appshunter.io/ios/app/rig-count/id393570114/reviews) | **[3.8 (32 ratings)](https://appshunter.io/ios/app/halliburton-eredbook-mobile/id507496941/reviews)** |
| Number of ratings | **37** | 32 |
| Positive reviews | 26.9% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 25 months |
| Monetization | Free | Free |
| Size | 38 MB | 44 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Baker Hughes Company](https://appshunter.io/developer/393570118) | [Halliburton](https://appshunter.io/developer/401718908) |

## What reviewers say

### Rig Count

[App page](https://appshunter.io/ios/app/rig-count/id393570114)

This app provides an interactive analysis of US rotary rig counts, a key indicator for the drilling industry. It helps users understand demand for products used in hydrocarbon extraction and processing.

**Highlights:** Interactive rig count analysis, Baker Hughes US rotary rig data, Business barometer for drilling industry, Leading indicator of demand, Hydrocarbon extraction insights

**Features:** macOS Compatibility

**In-app purchases:** none


### Halliburton eRedBook® Mobile

[App page](https://appshunter.io/ios/app/halliburton-eredbook-mobile/id507496941)

This app provides essential data and calculators for oil and gas well calculations. Access key dimensions, strengths, and specifications for tubulars to quickly determine volumes and capacities. Supports multiple unit systems for flexible calculations.

**Highlights:** Instant access to pipe dimensions and strengths, Quickly calculate capacity and annulus volumes, View volume measurements in Metric or Imperial units, Calculate total volumes in various units, Calculate volume per depth, Copy results with a single click

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rig Count free?

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

### Is Halliburton eRedBook® Mobile free?

Halliburton eRedBook® Mobile is free to download, with no in-app purchases.

### Which has better reviews, Rig Count or Halliburton eRedBook® Mobile?

Halliburton eRedBook® Mobile is rated higher. Rig Count averages 2.2 out of 5 from 37 ratings, while Halliburton eRedBook® Mobile averages 3.8 from 32 ratings.

### Do Rig Count or Halliburton eRedBook® Mobile have ads?

Neither Rig Count nor Halliburton eRedBook® Mobile shows ads.

### Which is updated more often, Rig Count or Halliburton eRedBook® Mobile?

Rig Count ships an update every 6 months, and Halliburton eRedBook® Mobile every 25 months. Most recently, Rig Count was updated on November 1, 2026 and Halliburton eRedBook® Mobile on November 1, 2026.

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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.*