# NVH vs First

The clearest difference is review sentiment: NVH at 81% against First's 17%. NVH also leads on rating (4.2 vs 2.3) and update cadence (weekly vs every 5 months). First's advantage is price (Free vs $99.99) and iOS requirement (11.0 vs 17.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

First is free to download; NVH costs $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NVH holds the better App Store score, 4.2 against 2.3. Both are backed by a comparable volume of ratings — 24 and 16 respectively. Written reviews point the same way: 81% of NVH's written reviews are positive against 17% of First's.

NVH ships an update weekly, First every 5 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | NVH | First |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | **[4.2 (24 ratings)](https://appshunter.io/ios/app/nvh/id1026086455/reviews)** | [2.3 (16 ratings)](https://appshunter.io/ios/app/first-link/id1203747139/reviews) |
| Number of ratings | **24** | 16 |
| Positive reviews | **81.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | Paid | **Free** |
| Size | 87 MB | 128 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Vibrate Software, Inc.](https://appshunter.io/developer/1111845958) | [Snap-on Inc.](https://appshunter.io/developer/501219324) |

## What reviewers say

### NVH

[App page](https://appshunter.io/ios/app/nvh/id1026086455)

Diagnose vehicle vibration issues with this tool. It uses your device's sensors to analyze vibrations, identify their type, and suggest potential causes. Generate detailed reports and share findings.

**Highlights:** Automatic vibration type detection, Analysis of vibration sources, Live vibration measurement displays, Detailed PDF diagnostic reports, Record and review road tests, Extensive vehicle database

**In-app purchases:** none


### First

[App page](https://appshunter.io/ios/app/first-link/id1203747139)

Connect your mobile device to a commercial vehicle's diagnostic port to monitor its health status. Understand fault codes, view vehicle specifications, and track trip data to improve uptime and aid in service and repair.

**Highlights:** Connect to vehicle diagnostic port, Monitor vehicle health status, View active and inactive fault codes, Display vehicle specifications (VIN, ECU info), Track trip data (fuel, miles, speed, hours), Generate and share vehicle reports

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

**In-app purchases:** none


## Frequently asked questions

### Is NVH free?

NVH costs $99.99, with no in-app purchases.

### Is First free?

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

### Which has better reviews, NVH or First?

NVH is rated higher. NVH averages 4.2 out of 5 from 24 ratings, while First averages 2.3 from 16 ratings.

### Do NVH or First have ads?

Neither NVH nor First shows ads.

### Which is updated more often, NVH or First?

NVH ships an update weekly, and First every 5 months. Most recently, NVH was updated on October 8, 2026 and First on October 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.*