# OTR Diagnostics vs Pilot Portal App

The clearest difference is review sentiment: Pilot Portal App at 100% against OTR Diagnostics's 55%. Pilot Portal App also leads on rating (5.0 vs 4.0) and iOS requirement (11.0 vs 17.6). OTR Diagnostics's advantage is ratings volume (99 vs 1). On price, update cadence, 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.

Pilot Portal App holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: OTR Diagnostics has 99 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 55% of OTR Diagnostics's written reviews are positive against 100% of Pilot Portal App's.

OTR Diagnostics ships an update weekly, Pilot Portal App every 5 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | OTR Diagnostics | Pilot Portal App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (99 ratings)](https://appshunter.io/ios/app/otr-diagnostics/id1508165885/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pilot-portal-app/id1667944216/reviews)** |
| Number of ratings | **99** | 1 |
| Positive reviews | 55.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free | Free |
| Size | 268 MB | 29 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OTR Performance](https://appshunter.io/developer/1508165884) | [WCS Permits](https://appshunter.io/developer/1448004779) |

## What reviewers say

### OTR Diagnostics

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

This diagnostic tool helps heavy-duty truck owners understand and resolve fault codes, perform crucial maintenance tasks like regens, and monitor live engine data. It aims to reduce downtime and avoid costly dealer visits by empowering users with detailed insights and control over their vehicle's systems.

**Highlights:** Reset active and inactive fault codes, Perform forced DPF/SCR regens, Understand fault codes in plain language, Monitor live engine data, Track fault code history, Bi-directional commands for repairs

**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


### Pilot Portal App

[App page](https://appshunter.io/ios/app/pilot-portal-app/id1667944216)

This app provides a real-time platform for managing oversize load operations. It allows users to track pilot cars, access essential documents, and ensure smooth logistics for both drivers and companies.

**Highlights:** Real-time pilot oversight, Oversize load management, Pilot car information access, Document retrieval, Seamless dispatch

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTR Diagnostics free?

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

### Is Pilot Portal App free?

Pilot Portal App is free to download, with no in-app purchases.

### Which has better reviews, OTR Diagnostics or Pilot Portal App?

Pilot Portal App is rated higher. OTR Diagnostics averages 4.0 out of 5 from 99 ratings, while Pilot Portal App averages 5.0 from 1 ratings.

### Do OTR Diagnostics or Pilot Portal App have ads?

Neither OTR Diagnostics nor Pilot Portal App shows ads.

### Which is updated more often, OTR Diagnostics or Pilot Portal App?

OTR Diagnostics ships an update weekly, and Pilot Portal App every 5 days. Most recently, OTR Diagnostics was updated on November 3, 2026 and Pilot Portal App 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.*