# OTR Diagnostics vs SYBR Track

OTR Diagnostics and SYBR Track both sit at 4.0 stars, but that hides the real split: 100% of SYBR Track's written reviews are positive against 55% of OTR Diagnostics's. OTR Diagnostics's advantage is ratings volume (99 vs 4) and update cadence (weekly vs every 3 weeks). 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 — 4.0 for OTR Diagnostics against 4.0 for SYBR Track. That said, the two scores are not equally well evidenced: OTR Diagnostics has 99 ratings behind it against 4, 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 100% of SYBR Track's.

OTR Diagnostics ships an update weekly, SYBR Track every 3 weeks. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OTR Diagnostics | SYBR Track |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (99 ratings)](https://appshunter.io/ios/app/otr-diagnostics/id1508165885/reviews) | [4.0 (4 ratings)](https://appshunter.io/ios/app/sybr-track/id6743445801/reviews) |
| Number of ratings | **99** | 4 |
| Positive reviews | 55.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 268 MB | 66 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OTR Performance](https://appshunter.io/developer/1508165884) | [SYBR](https://appshunter.io/developer/1802906704) |

## 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


### SYBR Track

[App page](https://appshunter.io/ios/app/sybr-track/id6743445801)

This app provides real-time GPS tracking and status updates for shipments, integrating directly with a TMS for seamless communication between drivers and administrators. It enhances logistics visibility, delivery accuracy, and fleet performance with live tracking and automated reporting.

**Highlights:** Real-time GPS tracking, Shipment status updates, TMS integration, Driver-to-administrator communication, Fleet performance optimization, Automated status reporting

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

**In-app purchases:** none


## Frequently asked questions

### Is OTR Diagnostics free?

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

### Is SYBR Track free?

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

### Which has better reviews, OTR Diagnostics or SYBR Track?

OTR Diagnostics and SYBR Track are both rated 4.0 out of 5 on the App Store, from 99 and 4 ratings respectively.

### Do OTR Diagnostics or SYBR Track have ads?

Neither OTR Diagnostics nor SYBR Track shows ads.

### Which is updated more often, OTR Diagnostics or SYBR Track?

OTR Diagnostics ships an update weekly, and SYBR Track every 3 weeks. Most recently, OTR Diagnostics was updated on November 3, 2026 and SYBR Track on October 24, 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.*