# First vs HeatNext

The clearest difference is in-app purchases: First at none against HeatNext's 4. First also leads on iOS requirement (11.0 vs 13.0). HeatNext's advantage is update cadence (every 2 months vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. HeatNext sells 4 in-app purchases, starting at $1.99 per month. First asks for nothing beyond the download.

First ships an update every 5 months, HeatNext every 2 months. The most recent releases landed on August 19, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | First | HeatNext |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (16 ratings)](https://appshunter.io/ios/app/first-link/id1203747139/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 128 MB | 32 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Snap-on Inc.](https://appshunter.io/developer/501219324) | [Nomnio](https://appshunter.io/developer/1440372439) |

## What reviewers say

### 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


### HeatNext

[App page](https://appshunter.io/ios/app/heatnext/id1440372440)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Package | $1.99 | per month |
| Advanced Package | $3.99 | per month |
| Plus Package | $18.99 | per year |
| Advanced Package | $37.99 | per year |


## Frequently asked questions

### Is First free?

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

### Is HeatNext free?

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

### Do First or HeatNext have ads?

Neither First nor HeatNext shows ads.

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

First ships an update every 5 months, and HeatNext every 2 months. Most recently, First was updated on August 19, 2026 and HeatNext on September 15, 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.*