# OnTrack vs KENX

The clearest difference is in-app purchases: KENX at none against OnTrack's 2. KENX also leads on update cadence (every 3 days vs every 4 weeks) and iOS requirement (16.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. OnTrack sells 2 in-app purchases, starting at $3.99 per month. KENX asks for nothing beyond the download.

OnTrack ships an update every 4 weeks, KENX every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OnTrack | KENX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (57 ratings)](https://appshunter.io/ios/app/ontrack-obd2-scanner/id6446315145/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 37.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 35 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [OnTrack Apps Limited](https://appshunter.io/developer/1647551624) | [KENX LTD](https://appshunter.io/developer/6784688973) |

## What reviewers say

### OnTrack

[App page](https://appshunter.io/ios/app/ontrack-obd2-scanner/id6446315145)

Monitor your car's real-time performance data on the racetrack with this CarPlay-enabled app. Set custom alerts for critical parameters like temperature to optimize your vehicle's performance and stay focused on the road.

**Highlights:** CarPlay integration, Real-time performance monitoring, Engine RPM, coolant temperature, oil pressure, Customizable temperature alerts, Instant notifications for threshold breaches, User-friendly display

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly - Best Value | $29.99 | per year |

**What reviewers like**

- 👍 Great CarPlay integration
- 💡 Useful for monitoring temps and info
- 🚀 Fast refresh rate
- 👍 Easy to read info at a glance
- 👍 Highly customizable

**What reviewers complain about**

- 🐛 Connection issues with various dongles
- 🐛 Lack of support/unresponsive developers
- 🐛 App crashes
- 🐛 Limited PIDs available
- 🐛 Boost pressure limit

**Reported bugs**

- Lost connections with Vgate Pro
- App crashes as soon as it connects to OBD2 reader since iOS 18
- Öltemperatur (Oil temperature) not read for VW/Audi vehicles
- Boost bar maxes at 1.5 bar / 22.3psi
- Not connecting to OBDLink CX

**Requested features**

- Add gauges instead of numbers for CarPlay
- Add more PIDs (e.g., exhaust gas temperature, transmission temp)
- Vehicle selector
- Support landscape mode
- Add custom PIDs for vehicle-specific measurements


### KENX

[App page](https://appshunter.io/ios/app/kenx/id6784688971)

**In-app purchases:** none


## Frequently asked questions

### Is OnTrack free?

OnTrack is free to download, with in-app purchases available.

### Is KENX free?

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

### Do OnTrack or KENX have ads?

Neither OnTrack nor KENX shows ads.

### Which is updated more often, OnTrack or KENX?

OnTrack ships an update every 4 weeks, and KENX every 3 days. Most recently, OnTrack was updated on October 30, 2026 and KENX 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.*