# INTspector vs QuickSelect

The clearest difference is update cadence: QuickSelect at monthly against INTspector's every 4 months. INTspector's advantage is iOS requirement (12.2 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

INTspector ships an update every 4 months, QuickSelect monthly. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | INTspector | QuickSelect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/quickselect/id1457897282/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Free |
| Size | 151 MB | 10 MB |
| Requires iOS | **12.2** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [KRIWAN Industrie-Elektronik GmbH](https://appshunter.io/developer/1313794395) | [Westermeyer Industries Inc.](https://appshunter.io/developer/1457897281) |

## What reviewers say

### INTspector

[App page](https://appshunter.io/ios/app/intspector/id1313794396)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is INTspector free?

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

### Is QuickSelect free?

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

### Do INTspector or QuickSelect have ads?

Neither INTspector nor QuickSelect shows ads.

### Which is updated more often, INTspector or QuickSelect?

INTspector ships an update every 4 months, and QuickSelect monthly. Most recently, INTspector was updated on September 19, 2026 and QuickSelect on September 10, 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.*