# Shim Selector vs ITT

The clearest difference is device support: ITT at 3 against Shim Selector's 1. ITT also leads on iOS requirement (12.0 vs 16.6). On price, 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.

## The numbers

| Metric | Shim Selector | ITT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/shim-selector/id718147152/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Free | — |
| Size | 15 MB | 39 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [ITT Italia S.r.l.](https://appshunter.io/developer/1593182481) |

## What reviewers say

### Shim Selector

[App page](https://appshunter.io/ios/app/shim-selector/id718147152)

This tool helps engineers find optimal shim materials for brake NVH issues. It features an FFT analyzer for precise results and an advanced search to filter materials by various properties. Users can easily request material samples for testing.

**Highlights:** FFT analyzer for peak dB and frequency, Advanced search and filtering, Material selection based on adhesive, steel, and thickness, Request dynamometer test samples, Access to Trelleborg's material expertise

**Features:** macOS Compatibility

**In-app purchases:** none


### ITT

[App page](https://appshunter.io/ios/app/itt-connect/id6448723225)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shim Selector free?

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

### Is ITT free?

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

### Do Shim Selector or ITT have ads?

Neither Shim Selector nor ITT shows ads.

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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.*