# PurolatorPRO Filter Finder vs SPC AlignPro™

The clearest difference is rating: PurolatorPRO Filter Finder at 3.8 against SPC AlignPro™'s 2.7. SPC AlignPro™'s advantage is review sentiment (33% vs 0%) and update cadence (monthly vs every 21 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

PurolatorPRO Filter Finder holds the better App Store score, 3.8 against 2.7. Both are backed by a comparable volume of ratings — 5 and 7 respectively. Written reviews complicate that: 0% of PurolatorPRO Filter Finder's written reviews are positive against 33% of SPC AlignPro™'s, so the app with the better star average is not the one people write more warmly about.

PurolatorPRO Filter Finder ships an update every 21 months, SPC AlignPro™ monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | PurolatorPRO Filter Finder | SPC AlignPro™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/purolatorpro-filter-finder/id1572030392/reviews)** | [2.7 (7 ratings)](https://appshunter.io/ios/app/spc-alignpro/id1638642751/reviews) |
| Number of ratings | 5 | **7** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Monthly** |
| Monetization | Free | Free |
| Size | 40 MB | 45 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MANN+Hummel US](https://appshunter.io/developer/1495731969) | [Niwot Corporation](https://appshunter.io/developer/1638642753) |

## What reviewers say

### PurolatorPRO Filter Finder

[App page](https://appshunter.io/ios/app/purolatorpro-filter-finder/id1572030392)

This app assists automotive installers in quickly identifying the correct oil, air, cabin air, and fuel filters for any vehicle. It offers multiple search options, including VIN and part number, and provides cross-reference data for competitive parts.

**Highlights:** Vehicle filter lookup, Search by VIN, Search by part number, Cross-reference information, Competitive interchange data, Covers cars, trucks, motorcycles, UTVs, ATVs

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

**In-app purchases:** none


### SPC AlignPro™

[App page](https://appshunter.io/ios/app/spc-alignpro/id1638642751)

Access manufacturer alignment specifications for vehicles dating back to 1985. Quickly diagnose and fix alignment and suspension issues with VIN scanning, license plate lookup, and detailed illustrations of adjustment methods and service parts.

**Highlights:** Manufacturer alignment specifications since 1985, Service parts information, VIN scanning, License plate ID lookup, Alignment adjustment illustrations, Suspension height specifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PurolatorPRO Filter Finder free?

PurolatorPRO Filter Finder is free to download, with no in-app purchases.

### Is SPC AlignPro™ free?

SPC AlignPro™ is free to download, with no in-app purchases.

### Which has better reviews, PurolatorPRO Filter Finder or SPC AlignPro™?

PurolatorPRO Filter Finder is rated higher. PurolatorPRO Filter Finder averages 3.8 out of 5 from 5 ratings, while SPC AlignPro™ averages 2.7 from 7 ratings.

### Do PurolatorPRO Filter Finder or SPC AlignPro™ have ads?

Neither PurolatorPRO Filter Finder nor SPC AlignPro™ shows ads.

### Which is updated more often, PurolatorPRO Filter Finder or SPC AlignPro™?

PurolatorPRO Filter Finder ships an update every 21 months, and SPC AlignPro™ monthly. Most recently, PurolatorPRO Filter Finder was updated on November 3, 2026 and SPC AlignPro™ on November 3, 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.*