# OTR Diagnostics vs PortPro v2

The clearest difference is rating: OTR Diagnostics at 4.0 against PortPro v2's 3.2. OTR Diagnostics also leads on review sentiment (55% vs 31%). PortPro v2's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (15.6 vs 17.6). On price, ratings volume, update cadence 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.

OTR Diagnostics holds the better App Store score, 4.0 against 3.2. Both are backed by a comparable volume of ratings — 99 and 128 respectively. Written reviews point the same way: 55% of OTR Diagnostics's written reviews are positive against 31% of PortPro v2's.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OTR Diagnostics | PortPro v2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (99 ratings)](https://appshunter.io/ios/app/otr-diagnostics/id1508165885/reviews)** | [3.2 (128 ratings)](https://appshunter.io/ios/app/portpro-v2/id1621694380/reviews) |
| Number of ratings | 99 | **128** |
| Positive reviews | **55.2% of reviews** | 31.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 267 MB | 259 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OTR Performance](https://appshunter.io/developer/1508165884) | [Axle Technologies](https://appshunter.io/developer/1274206825) |

## What reviewers say

### OTR Diagnostics

[App page](https://appshunter.io/ios/app/otr-diagnostics/id1508165885)

This app helps heavy-duty truck owners diagnose and resolve common issues like fault codes, regen problems, and derates. It provides plain-language explanations of error codes, allows for bi-directional commands to fix issues, and monitors live truck data to prevent downtime.

**Highlights:** AI-powered fault code explanation, Bi-directional commands for repairs, Reset active/inactive fault codes, Run forced DPF/SCR regens, Live data monitoring, Fault code history tracking

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

**In-app purchases:** none

**What reviewers like**

- 💰 Saves money on repairs
- 🛠️ Clears fault codes
- 🔄 Performs forced regens
- ✅ Works with various engines
- 👍 Easy to use

**What reviewers complain about**

- 💸 Overpriced
- 🐛 Buggy and unstable app
- 🔌 Frequent Bluetooth disconnects
- 📉 Updates cause problems
- ❌ Some features disappeared after updates

**Reported bugs**

- App constantly disconnects from device
- Generic code option disappeared
- Forced regen is no longer consistent
- AI assistant not working
- App asks to do things not available in app

**Requested features**

- Remember email address for login
- Allow offline functionality without data connection
- Add option to change speed
- More detailed diagnostic information
- Allow basic subscription to work on multiple VINs


### PortPro v2

[App page](https://appshunter.io/ios/app/portpro-v2/id1621694380)

This application helps drayage truck drivers improve communication with their dispatchers. It streamlines operations for efficient logistics management.

**Highlights:** Streamline drayage driver communications, Improve dispatcher coordination, Enhance logistics efficiency, Mobile dispatch management

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Smooth usage
- 👍 Visibility into earnings
- 👍 Real-time notifications
- 👍 Smart navigation with truck routes

**What reviewers complain about**

- 🔋 High battery consumption
- 🐛 Geofence switching locations
- 🐛 Document scanner unclear
- 🐛 Text/letters miniature
- 🐛 GPS is a joke

**Reported bugs**

- Geofence switching locations by itself
- Document scanner doesn’t take clear pictures
- Text/letters super miniature
- Location always on even when app closed
- Text and everything expanded, not fitting screen

**Requested features**

- Allow drivers to move work orders around
- Copy and paste option for rails bill
- Ability to upload multiple pages of documents
- Option to choose location tracking only when using the app
- Improve notification system


## Frequently asked questions

### Is OTR Diagnostics free?

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

### Is PortPro v2 free?

PortPro v2 is free to download, with no in-app purchases.

### Which has better reviews, OTR Diagnostics or PortPro v2?

OTR Diagnostics is rated higher. OTR Diagnostics averages 4.0 out of 5 from 99 ratings, while PortPro v2 averages 3.2 from 128 ratings.

### Do OTR Diagnostics or PortPro v2 have ads?

Neither OTR Diagnostics nor PortPro v2 shows ads.

### Which is updated more often, OTR Diagnostics or PortPro v2?

OTR Diagnostics ships an update fortnightly, and PortPro v2 fortnightly. Most recently, OTR Diagnostics was updated on October 24, 2026 and PortPro v2 on October 25, 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.*