# AutoTuner vs HVAC Field Report

The clearest difference is in-app purchases: AutoTuner at none against HVAC Field Report's 2. AutoTuner also leads on iOS requirement (16.4 vs 18.0). HVAC Field Report's advantage is update cadence (every 3 days vs weekly). On price, ads and device support there is nothing between them.

Both are free to download. HVAC Field Report sells 2 in-app purchases, starting at $12.99 per month. AutoTuner asks for nothing beyond the download.

AutoTuner ships an update weekly, HVAC Field Report every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | AutoTuner | HVAC Field Report |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/autotuner/id6780960721/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free | — |
| Size | 137 MB | 5 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [FR TEAM INTERNATIONAL S.A](https://appshunter.io/developer/1768532282) | [Phu Ho](https://appshunter.io/developer/380467843) |

## What reviewers say

### AutoTuner

[App page](https://appshunter.io/ios/app/autotuner/id6780960721)

Instantly identify vehicles and control units by scanning VIN codes or ECU labels with your camera. Access a comprehensive catalog to confirm compatibility before starting work, streamlining tasks for automotive professionals.

**Highlights:** Camera-based VIN and ECU identification, Full vehicle compatibility catalog, Fast vehicle lookup, Secure sign-in options, In-app support

**In-app purchases:** none


### HVAC Field Report

[App page](https://appshunter.io/ios/app/hvac-field-report/id6798137285)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $12.99 | per month |
| Pro Annual | $109.99 | per year |


## Frequently asked questions

### Is AutoTuner free?

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

### Is HVAC Field Report free?

HVAC Field Report is free to download, with in-app purchases available.

### Do AutoTuner or HVAC Field Report have ads?

Neither AutoTuner nor HVAC Field Report shows ads.

### Which is updated more often, AutoTuner or HVAC Field Report?

AutoTuner ships an update weekly, and HVAC Field Report every 3 days. Most recently, AutoTuner was updated on October 31, 2026 and HVAC Field Report 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.*