# OTR Diagnostics vs Five ELD v2

The clearest difference is monetization model: Five ELD v2 at free against OTR Diagnostics's free with in-app purchases. Five ELD v2 also leads on iOS requirement (15 vs 17.6). OTR Diagnostics's advantage is ratings volume (99 vs 12) and update cadence (fortnightly vs monthly). On price, rating, review sentiment 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 — 4.0 for OTR Diagnostics against 4.0 for Five ELD v2. That said, the two scores are not equally well evidenced: OTR Diagnostics has 99 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 55% of OTR Diagnostics's written reviews are positive against 50% of Five ELD v2's.

OTR Diagnostics ships an update fortnightly, Five ELD v2 monthly. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | OTR Diagnostics | Five ELD v2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (99 ratings)](https://appshunter.io/ios/app/otr-diagnostics/id1508165885/reviews) | [4.0 (12 ratings)](https://appshunter.io/ios/app/five-eld-v2/id6480004639/reviews) |
| Number of ratings | **99** | 12 |
| Positive reviews | **55.2% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 267 MB | 128 MB |
| Requires iOS | 17.6 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OTR Performance](https://appshunter.io/developer/1508165884) | [ZIPPY ELD INC](https://appshunter.io/developer/1774479273) |

## 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


### Five ELD v2

[App page](https://appshunter.io/ios/app/five-eld-v2/id6480004639)

Manage your fleet and comply with FMCSA regulations with this comprehensive tool. Monitor driver activities, location, speed, and miles traveled to enhance safety and optimize operations. Designed for fleets of all sizes, it offers powerful fleet management capabilities.

**Highlights:** Fleet management tools, FMCSA regulation compliance, Driver activity monitoring, Location and speed tracking, Miles traveled and route selection, Detention time tracking

**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 Five ELD v2 free?

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

### Which has better reviews, OTR Diagnostics or Five ELD v2?

OTR Diagnostics and Five ELD v2 are both rated 4.0 out of 5 on the App Store, from 99 and 12 ratings respectively.

### Do OTR Diagnostics or Five ELD v2 have ads?

Neither OTR Diagnostics nor Five ELD v2 shows ads.

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

OTR Diagnostics ships an update fortnightly, and Five ELD v2 monthly. Most recently, OTR Diagnostics was updated on September 28, 2026 and Five ELD v2 on September 17, 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.*