# Drillstring Toolbox vs Petrix Maps Oilfield Navigator

The clearest difference is rating: Petrix Maps Oilfield Navigator at 4.7 against Drillstring Toolbox's 3.3. Petrix Maps Oilfield Navigator also leads on update cadence (monthly vs every 39 months) and ratings volume (275 vs 3). Drillstring Toolbox's advantage is review sentiment (100% vs 64%) and in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Petrix Maps Oilfield Navigator sells 1 in-app purchase, starting at $19.99 per month. Drillstring Toolbox asks for nothing beyond the download.

Petrix Maps Oilfield Navigator holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Petrix Maps Oilfield Navigator has 275 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 100% of Drillstring Toolbox's written reviews are positive against 64% of Petrix Maps Oilfield Navigator's, so the app with the better star average is not the one people write more warmly about.

Drillstring Toolbox ships an update every 39 months, Petrix Maps Oilfield Navigator monthly. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Drillstring Toolbox | Petrix Maps Oilfield Navigator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/drillstring-toolbox/id1068605189/reviews) | **[4.7 (275 ratings)](https://appshunter.io/ios/app/petrix-maps-oilfield-navigator/id1524234343/reviews)** |
| Number of ratings | 3 | **275** |
| Positive reviews | **100.0% of reviews** | 64.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 39 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 29 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bureau Veritas North America, Inc.](https://appshunter.io/developer/1770295442) | [Epitosoft](https://appshunter.io/developer/1524234345) |

## What reviewers say

### Drillstring Toolbox

[App page](https://appshunter.io/ios/app/drillstring-toolbox/id1068605189)

This utility app calculates drill-stem load capacities based on API connections and sizes. It also provides makeup torque and tensile capacity, as well as tensile and torsion capacities for drill pipe tubes.

**Highlights:** Drill-stem load capacity calculation, API connection selection, Makeup torque calculation, Tensile capacity calculation, Drill pipe tube capacities

**Features:** macOS Compatibility

**In-app purchases:** none


### Petrix Maps Oilfield Navigator

[App page](https://appshunter.io/ios/app/petrix-maps-oilfield-navigator/id1524234343)

Navigate to oilfields across 23 US states with this comprehensive locator app. Search, map, save favorites, and get daily database updates. Features include custom pins, list creation, trip scheduling, and chatbot support.

**Highlights:** Oilfield search by name or API number, Map view with custom pin placement, Daily cloud-based database updates, Create and share oilfield lists, Trip scheduling and departure alerts, Integrated chatbot assistance, Save favorite locations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $19.99 | per month |

**What reviewers like**

- 👍 Fast search functionality
- 👍 Reliable oilfield navigation
- 👍 Data stays current
- 👍 Excellent support team responsiveness
- 👍 Saves wasted time

**What reviewers complain about**

- 🐛 Search function not working due to pop-up
- 🐛 Cannot find locations in Utah
- 🐛 Cannot find locations in Wyoming
- 🐛 Does not work with well number
- 🐛 Directions don't take you all the way to the well

**Reported bugs**

- Search function blocked by 'redeem free gift' or 'subscribe' pop-up
- App won't find locations in Utah
- App won't find locations in Wyoming
- App does not work with well number

**Requested features**

- Ability to put custom pins in alphabetical order
- Labels as stand-alone layers that remain on the map
- New view option to see new lease roads and pads (like Wellsite navigator)
- Map directions that take you all the way to the location


## Frequently asked questions

### Is Drillstring Toolbox free?

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

### Is Petrix Maps Oilfield Navigator free?

Petrix Maps Oilfield Navigator is free to download, with in-app purchases available.

### Which has better reviews, Drillstring Toolbox or Petrix Maps Oilfield Navigator?

Petrix Maps Oilfield Navigator is rated higher. Drillstring Toolbox averages 3.3 out of 5 from 3 ratings, while Petrix Maps Oilfield Navigator averages 4.7 from 275 ratings.

### Do Drillstring Toolbox or Petrix Maps Oilfield Navigator have ads?

Neither Drillstring Toolbox nor Petrix Maps Oilfield Navigator shows ads.

### Which is updated more often, Drillstring Toolbox or Petrix Maps Oilfield Navigator?

Drillstring Toolbox ships an update every 39 months, and Petrix Maps Oilfield Navigator monthly. Most recently, Drillstring Toolbox was updated on October 24, 2026 and Petrix Maps Oilfield Navigator on October 22, 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.*