# TVS Diode Array Product Selector vs Mobile Card Reader Utility

The clearest difference is update cadence: Mobile Card Reader Utility at every 2 months against TVS Diode Array Product Selector's every 6 months. TVS Diode Array Product Selector's advantage is iOS requirement (8.4 vs 17.2). 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.

TVS Diode Array Product Selector ships an update every 6 months, Mobile Card Reader Utility every 2 months. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TVS Diode Array Product Selector | Mobile Card Reader Utility |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tvs-diode-array-product-selector/id438716133/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 8 MB | 2 MB |
| Requires iOS | **8.4** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Littelfuse, Inc.](https://appshunter.io/developer/503818127) | [Advanced Card Systems Ltd.](https://appshunter.io/developer/573447624) |

## What reviewers say

### TVS Diode Array Product Selector

[App page](https://appshunter.io/ios/app/tvs-diode-array-product-selector/id438716133)

This app helps you find the right TVS Diode Array for your electronic circuits. It asks a few questions about your application to recommend the best product for ESD and lightning surge protection. You can also request samples and access datasheets.

**Highlights:** Product recommendation based on application needs, Sample requests, View product information and characteristics, Download datasheets, Access design resources

**In-app purchases:** none


### Mobile Card Reader Utility

[App page](https://appshunter.io/ios/app/mobile-card-reader-utility/id6478258371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TVS Diode Array Product Selector free?

TVS Diode Array Product Selector is free to download, with no in-app purchases.

### Is Mobile Card Reader Utility free?

Mobile Card Reader Utility is free to download, with no in-app purchases.

### Do TVS Diode Array Product Selector or Mobile Card Reader Utility have ads?

Neither TVS Diode Array Product Selector nor Mobile Card Reader Utility shows ads.

### Which is updated more often, TVS Diode Array Product Selector or Mobile Card Reader Utility?

TVS Diode Array Product Selector ships an update every 6 months, and Mobile Card Reader Utility every 2 months. Most recently, TVS Diode Array Product Selector was updated on September 30, 2026 and Mobile Card Reader Utility on October 7, 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.*