# KDMLink vs Revline

The clearest difference is rating: KDMLink at 5.0 against Revline's 2.3. KDMLink also leads on in-app purchases (none vs 2). Revline's advantage is update cadence (every 2 days vs fortnightly) and ratings volume (3 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Revline sells 2 in-app purchases, starting at $2.99 per month. KDMLink asks for nothing beyond the download.

KDMLink holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

KDMLink ships an update fortnightly, Revline every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | KDMLink | Revline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kdmlink/id6758346077/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/revline-car-maintenance/id6789559752/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 89 MB | 3 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [531 Dev](https://appshunter.io/developer/1872418485) | [IMAD SAAD](https://appshunter.io/developer/6788799881) |

## What reviewers say

### KDMLink

[App page](https://appshunter.io/ios/app/kdmlink/id6758346077)

Transform your phone into a live performance dashboard for your Hyundai N vehicle. This app connects to an N-Link Bluetooth device to stream real-time data directly from your car's CAN bus, displaying vital metrics like engine RPM, speed, temperatures, and tire pressure.

**Highlights:** Live telemetry dashboard, Engine RPM, speed, boost monitoring, Coolant, oil, intake air temperatures, Tire pressure monitoring (TPMS), 12V battery health, Fuel level and odometer

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

**In-app purchases:** none


### Revline

[App page](https://appshunter.io/ios/app/revline-car-maintenance/id6789559752)

Track your vehicle's maintenance, fuel economy, and expenses in one private place. Get smart reminders for services and view detailed cost breakdowns. Protect your car's value with a complete service history.

**Highlights:** Vehicle maintenance logs, Fuel economy tracking, Expense logging, Smart service reminders, Multiple vehicle support, Data export/import, Private, on-device storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Revline Pro Monthly | $2.99 | per month |
| Revline Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is KDMLink free?

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

### Is Revline free?

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

### Which has better reviews, KDMLink or Revline?

KDMLink is rated higher. KDMLink averages 5.0 out of 5 from 1 ratings, while Revline averages 2.3 from 3 ratings.

### Do KDMLink or Revline have ads?

Neither KDMLink nor Revline shows ads.

### Which is updated more often, KDMLink or Revline?

KDMLink ships an update fortnightly, and Revline every 2 days. Most recently, KDMLink was updated on October 31, 2026 and Revline on October 31, 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.*