# eKeystone vs Carquest Professional

The clearest difference is rating: eKeystone at 4.1 against Carquest Professional's 2.5. eKeystone also leads on ads (none vs shown) and review sentiment (50% vs 17%). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

eKeystone holds the better App Store score, 4.1 against 2.5. That said, the two scores are not equally well evidenced: eKeystone has 51 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 50% of eKeystone's written reviews are positive against 17% of Carquest Professional's.

eKeystone ships an update every 2 months, Carquest Professional every 7 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | eKeystone | Carquest Professional |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (51 ratings)](https://appshunter.io/ios/app/ekeystone/id1396501019/reviews)** | [2.5 (8 ratings)](https://appshunter.io/ios/app/carquest-professional/id1492156235/reviews) |
| Number of ratings | **51** | 8 |
| Positive reviews | **50.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | **Free** | Ad-supported |
| Size | 143 MB | 6 MB |
| Requires iOS | 10.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [LKQ](https://appshunter.io/developer/1227054078) | [Advance Auto Parts](https://appshunter.io/developer/955512450) |

## What reviewers say

### eKeystone

[App page](https://appshunter.io/ios/app/ekeystone/id1396501019)

This business-to-business application provides automotive aftermarket professionals with a comprehensive tool for parts lookup and ordering. Access an extensive electronic catalog, real-time inventory, and order tracking features 24/7 from your mobile device.

**Highlights:** 24/7 access to parts catalog, Mobile ordering, Real-time inventory, VIN and barcode scanning, Order history and tracking, Favorites and purchase tracking

**In-app purchases:** none


### Carquest Professional

[App page](https://appshunter.io/ios/app/carquest-professional/id1492156235)

This app allows professional automotive customers to scan vehicle VIN barcodes to quickly retrieve detailed vehicle information. Users can then search for and order parts directly through their secure account, and store scanned vehicle data for future reference.

**Highlights:** Scan vehicle VIN barcodes, Retrieve detailed vehicle information (year, make, model, engine), Search and order parts, Store scanned vehicle data, Upload scanned data to online account

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

**In-app purchases:** none


## Frequently asked questions

### Is eKeystone free?

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

### Is Carquest Professional free?

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

### Which has better reviews, eKeystone or Carquest Professional?

eKeystone is rated higher. eKeystone averages 4.1 out of 5 from 51 ratings, while Carquest Professional averages 2.5 from 8 ratings.

### Do eKeystone or Carquest Professional have ads?

Carquest Professional shows ads; eKeystone does not.

### Which is updated more often, eKeystone or Carquest Professional?

eKeystone ships an update every 2 months, and Carquest Professional every 7 months. Most recently, eKeystone was updated on October 24, 2026 and Carquest Professional on October 20, 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.*