# Resource Center vs DP

The clearest difference is update cadence: Resource Center at every 6 months against DP's every 61 months. Resource Center also leads on iOS requirement (9.0 vs 14.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Resource Center against 5.0 for DP. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Resource Center ships an update every 6 months, DP every 61 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Resource Center | DP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/resource-center/id990692386/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/dp-ir-plus-mobile/id1545902535/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 61 months |
| Monetization | Free | Free |
| Size | 31 MB | 174 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iteris, Inc.](https://appshunter.io/developer/520177092) | [Heath Consultants Inc](https://appshunter.io/developer/1498450662) |

## What reviewers say

### Resource Center

[App page](https://appshunter.io/ios/app/resource-center/id990692386)

Access a library of informational documents, sales resources, and training materials. View and email documents, watch videos, and utilize a search function to find the latest versions of all content.

**Highlights:** Access informational documents, View sales resources, On-line interactive training, Watch sales, marketing, and training videos, Search function, Saved documents, Up-to-date content

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Resource Center free?

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

### Is DP free?

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

### Which has better reviews, Resource Center or DP?

Resource Center and DP are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Resource Center or DP have ads?

Neither Resource Center nor DP shows ads.

### Which is updated more often, Resource Center or DP?

Resource Center ships an update every 6 months, and DP every 61 months. Most recently, Resource Center was updated on November 1, 2026 and DP on November 3, 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.*