# PATT vs READI Collect

The clearest difference is update cadence: READI Collect at every 5 weeks against PATT's every 12 months. PATT's advantage is ratings volume (4 vs 1). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for PATT against 5.0 for READI Collect. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

PATT ships an update every 12 months, READI Collect every 5 weeks. The most recent releases landed on June 4, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PATT | READI Collect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/patt/id1435167768/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/readi-collect/id6744460632/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Federal Railroad Administration](https://appshunter.io/developer/643005217) | [Elemodo Software, LLC](https://appshunter.io/developer/460437805) |

## What reviewers say

### PATT

[App page](https://appshunter.io/ios/app/patt/id1435167768)

This app helps railroads and contractors determine if a qualifying accident has occurred that requires post-accident alcohol and drug testing under FRA regulations. It aids in quick decision-making and protects employee privacy by preventing erroneous tests.

**Highlights:** Determines qualifying accidents for testing, Aids in quick decision-making, Ensures compliance with FRA regulations, Protects employee privacy, Supports post-accident testing procedures

**Features:** macOS Compatibility

**In-app purchases:** none


### READI Collect

[App page](https://appshunter.io/ios/app/readi-collect/id6744460632)

Request a certified mobile specimen collector to your location anywhere in the US for drug and alcohol testing. Connect with collectors in real-time, share messages, and receive detailed reports with images. Schedule collections for various needs, including accident testing, random, pre-employment, and events.

**Highlights:** On-demand mobile specimen collection, Nationwide collector network, Real-time communication, Detailed reporting with images, Scheduled collections, DOT compliance support

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

**In-app purchases:** none


## Frequently asked questions

### Is PATT free?

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

### Is READI Collect free?

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

### Which has better reviews, PATT or READI Collect?

PATT and READI Collect are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do PATT or READI Collect have ads?

Neither PATT nor READI Collect shows ads.

### Which is updated more often, PATT or READI Collect?

PATT ships an update every 12 months, and READI Collect every 5 weeks. Most recently, PATT was updated on June 4, 2026 and READI Collect on September 20, 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.*