# DP vs USA North

The clearest difference is update cadence: USA North at every 3 months against DP's every 61 months. DP's advantage is rating (5.0 vs 4.7). 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.

DP holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

DP ships an update every 61 months, USA North every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | DP | USA North |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/dp-ir-plus-mobile/id1545902535/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/usa-north-ca/id6443547643/reviews) |
| Number of ratings | **4** | 3 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 61 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 174 MB | 192 MB |
| Requires iOS | 14.0 | **13.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heath Consultants Inc](https://appshunter.io/developer/1498450662) | [PelicanCorp](https://appshunter.io/developer/525791656) |

## What reviewers say

### DP

[App page](https://appshunter.io/ios/app/dp-ir-plus-mobile/id1545902535)

Connect to instruments via Bluetooth to capture leak survey data. Log details of observed leaks, including location and pictures, and view a map of your survey path. Download your data in various formats for analysis.

**Highlights:** Connect to instruments via Bluetooth, Capture leak survey data, Log leak details with location and pictures, View survey map and breadcrumb trail, Download data in CSV, KML, or zip formats, Audible alarm for configurable CH4 values

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

**In-app purchases:** none


### USA North

[App page](https://appshunter.io/ios/app/usa-north-ca/id6443547643)

Submit locate requests for excavation and utility work directly from your mobile device. Register through the app to start submitting requests for underground utilities.

**Highlights:** Submit locate requests, Register for service, Mobile utility locating, Excavator and utility tool

**In-app purchases:** none


## Frequently asked questions

### Is DP free?

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

### Is USA North free?

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

### Which has better reviews, DP or USA North?

DP is rated higher. DP averages 5.0 out of 5 from 4 ratings, while USA North averages 4.7 from 3 ratings.

### Do DP or USA North have ads?

Neither DP nor USA North shows ads.

### Which is updated more often, DP or USA North?

DP ships an update every 61 months, and USA North every 3 months. Most recently, DP was updated on November 3, 2026 and USA North on November 3, 2026.

---

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