# RF Tools vs Smith Designer Lite

The clearest difference is update cadence: Smith Designer Lite at weekly against RF Tools's every 14 months. Smith Designer Lite also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

RF Tools ships an update every 14 months, Smith Designer Lite weekly. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | RF Tools | Smith Designer Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/rf-tools/id525678686/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | Free | — |
| Size | 12 MB | 39 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [HUBER + SUHNER AG](https://appshunter.io/developer/525678889) | [Morten Vinding](https://appshunter.io/developer/6782186078) |

## What reviewers say

### RF Tools

[App page](https://appshunter.io/ios/app/rf-tools/id525678686)

This utility app helps engineers and students calculate and convert RF-specific values like impedance, wavelength, and return loss. It also includes a calculator for comparing RF cables and assemblies, and provides access to product catalogs and branch information.

**Highlights:** RF value conversion (impedance, wavelength, return loss), RF assembly calculator, dB calculator, Product catalog access, Branch locator

**Features:** macOS Compatibility

**In-app purchases:** none


### Smith Designer Lite

[App page](https://appshunter.io/ios/app/smith-designer-lite/id6782214316)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RF Tools free?

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

### Is Smith Designer Lite free?

Smith Designer Lite is free to download, with no in-app purchases.

### Do RF Tools or Smith Designer Lite have ads?

Neither RF Tools nor Smith Designer Lite shows ads.

### Which is updated more often, RF Tools or Smith Designer Lite?

RF Tools ships an update every 14 months, and Smith Designer Lite weekly. Most recently, RF Tools was updated on October 5, 2026 and Smith Designer Lite on October 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.*