# QuickSelect vs PurolatorPRO Filter Finder

The clearest difference is review sentiment: QuickSelect at 100% against PurolatorPRO Filter Finder's 0%. QuickSelect also leads on rating (5.0 vs 3.8) 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.

QuickSelect holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 100% of QuickSelect's written reviews are positive against 0% of PurolatorPRO Filter Finder's.

QuickSelect ships an update monthly, PurolatorPRO Filter Finder every 21 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | QuickSelect | PurolatorPRO Filter Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/quickselect/id1457897282/reviews)** | [3.8 (5 ratings)](https://appshunter.io/ios/app/purolatorpro-filter-finder/id1572030392/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 21 months |
| Monetization | Free | Free |
| Size | 10 MB | 40 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Westermeyer Industries Inc.](https://appshunter.io/developer/1457897281) | [MANN+Hummel US](https://appshunter.io/developer/1495731969) |

## What reviewers say

### QuickSelect

[App page](https://appshunter.io/ios/app/quickselect/id1457897282)

Instantly select and size Westermeyer Industries catalog products for HVAC systems. Input system conditions to find optimal products, perform sizing calculations, and generate PDF summaries. It also allows for checking existing installations and organizing selections into projects.

**Highlights:** Quick product selection, Instant sizing calculations, PDF summary generation, Check existing installations, Project organization, Transcritical CO2 selections

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is QuickSelect free?

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

### Is PurolatorPRO Filter Finder free?

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

### Which has better reviews, QuickSelect or PurolatorPRO Filter Finder?

QuickSelect is rated higher. QuickSelect averages 5.0 out of 5 from 3 ratings, while PurolatorPRO Filter Finder averages 3.8 from 5 ratings.

### Do QuickSelect or PurolatorPRO Filter Finder have ads?

Neither QuickSelect nor PurolatorPRO Filter Finder shows ads.

### Which is updated more often, QuickSelect or PurolatorPRO Filter Finder?

QuickSelect ships an update monthly, and PurolatorPRO Filter Finder every 21 months. Most recently, QuickSelect was updated on November 2, 2026 and PurolatorPRO Filter Finder 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.*