# TruckingOffice ELD vs OTR Diagnostics

The clearest difference is rating: OTR Diagnostics at 4.0 against TruckingOffice ELD's 3.4. OTR Diagnostics also leads on update cadence (fortnightly vs every 4 months) and ratings volume (99 vs 9). TruckingOffice ELD's advantage is iOS requirement (15.6 vs 17.6). On price, ads, in-app purchases and monetization model 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 3.4. That said, the two scores are not equally well evidenced: OTR Diagnostics has 99 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 43% of TruckingOffice ELD's written reviews are positive against 55% of OTR Diagnostics's.

TruckingOffice ELD ships an update every 4 months, OTR Diagnostics fortnightly. Both last shipped on October 29, 2026.

## The numbers

| Metric | TruckingOffice ELD | OTR Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (9 ratings)](https://appshunter.io/ios/app/truckingoffice-eld/id1309574700/reviews) | **[4.0 (99 ratings)](https://appshunter.io/ios/app/otr-diagnostics/id1508165885/reviews)** |
| Number of ratings | 9 | **99** |
| Positive reviews | 42.9% of reviews | **55.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 22 MB | 268 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TruckingOffice](https://appshunter.io/developer/1309574699) | [OTR Performance](https://appshunter.io/developer/1508165884) |

## What reviewers say

### TruckingOffice ELD

[App page](https://appshunter.io/ios/app/truckingoffice-eld/id1309574700)

This app helps professional drivers comply with electronic log mandates. It offers easy log editing, automatic drive time tracking, and simple duty status changes. The system only tracks required FMCSA data and provides multiple options for roadside inspections.

**Highlights:** FMCSA Electronic Log Mandate Compliance, Editable Logs (excluding driving time), Automatic Drive Time Tracking, Simple Duty Status Changes, Roadside Inspection Data Submission (Email, Web Service, On-Device View), Plug and Play Vehicle Interface Device

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TruckingOffice ELD free?

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

### Is OTR Diagnostics free?

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

### Which has better reviews, TruckingOffice ELD or OTR Diagnostics?

OTR Diagnostics is rated higher. TruckingOffice ELD averages 3.4 out of 5 from 9 ratings, while OTR Diagnostics averages 4.0 from 99 ratings.

### Do TruckingOffice ELD or OTR Diagnostics have ads?

Neither TruckingOffice ELD nor OTR Diagnostics shows ads.

### Which is updated more often, TruckingOffice ELD or OTR Diagnostics?

TruckingOffice ELD ships an update every 4 months, and OTR Diagnostics fortnightly. Most recently, TruckingOffice ELD was updated on October 29, 2026 and OTR Diagnostics on October 29, 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.*