# PAM tools vs Auto Car Scanner Pro

The clearest difference is in-app purchases: PAM tools at none against Auto Car Scanner Pro's 2. Auto Car Scanner Pro's advantage is update cadence (every 2 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Auto Car Scanner Pro sells 2 in-app purchases, starting at $3.99 per month. PAM tools asks for nothing beyond the download.

PAM tools ships an update every 5 months, Auto Car Scanner Pro every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PAM tools | Auto Car Scanner Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (68 ratings)](https://appshunter.io/ios/app/auto-car-scanner-pro-obd2/id6443787030/reviews)** |
| Number of ratings | — | **68** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 11 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Saint-Gobain](https://appshunter.io/developer/543924473) | [SEOJIN AUTO COMPANY LIMITED](https://appshunter.io/developer/1649269765) |

## What reviewers say

### PAM tools

[App page](https://appshunter.io/ios/app/pam-tools/id1080963133)

This application assists engineers and design offices with calculations for water, sewer, industry, and irrigation networks. It provides tools for sizing and installing ductile iron pipelines, offering calculations for pressure, depth, head losses, and more.

**Highlights:** Allowable pressure calculation, Depth of cover calculation, Head losses calculation, Thrust massif calculation, Anchor length calculation, Pressure reducing valve calculation, Flanged joints calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Auto Car Scanner Pro

[App page](https://appshunter.io/ios/app/auto-car-scanner-pro-obd2/id6443787030)

This app connects to your car's OBD2 system via a Bluetooth adapter to display real-time engine data, fault codes, and performance metrics. It also helps track parking location, trip details, and maintenance costs.

**Highlights:** Real-time car data display, OBD fault code reading, Car performance monitoring, Parking location tracking, Trip route and sharing, Maintenance cost charting

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access Monthly | $3.99 | per month |
| All Access Yearly | $19.99 | per year |


## Frequently asked questions

### Is PAM tools free?

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

### Is Auto Car Scanner Pro free?

Auto Car Scanner Pro is free to download, with in-app purchases available.

### Do PAM tools or Auto Car Scanner Pro have ads?

Neither PAM tools nor Auto Car Scanner Pro shows ads.

### Which is updated more often, PAM tools or Auto Car Scanner Pro?

PAM tools ships an update every 5 months, and Auto Car Scanner Pro every 2 days. Most recently, PAM tools was updated on October 24, 2026 and Auto Car Scanner Pro 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.*