# Antenna+ vs Ultraf Raphael Valve

The clearest difference is in-app purchases: Ultraf Raphael Valve at none against Antenna+'s 2. Ultraf Raphael Valve also leads on iOS requirement (15.0 vs 17.6). Antenna+'s advantage is update cadence (every 5 weeks vs every 21 months). On price, ads and device support there is nothing between them.

Both are free to download. Antenna+ sells 2 in-app purchases, starting at $1.99 per month. Ultraf Raphael Valve asks for nothing beyond the download.

Antenna+ ships an update every 5 weeks, Ultraf Raphael Valve every 21 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Antenna+ | Ultraf Raphael Valve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/antenna-plus-cwpdk31dtmf/id466305239/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 21 months |
| Monetization | Paid | — |
| Size | 11 MB | 20 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [Verosocial Studio](https://appshunter.io/developer/354566841) | [RAPHAEL VALVES INDUSTRIES (1975) LTD](https://appshunter.io/developer/1453499008) |

## What reviewers say

### Antenna+

[App page](https://appshunter.io/ios/app/antenna-plus-cwpdk31dtmf/id466305239)

This toolkit offers amateur radio operators and RF hobbyists essential formulas and instant results for antenna design, feedline loss, and signal utilities. It includes calculators for antenna length, frequency conversion, VSWR, and propagation planning, along with DTMF and Morse code tools.

**Highlights:** Antenna length calculators, Frequency-to-wavelength conversion, VSWR and ERP calculators, Horizon visibility and solar calculators, DTMF decoding/keying, Morse/PSK31 tools

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly All Access Pro Usage | $1.99 | per month |
| Antenna Pro lifetime Upgrade | $14.99 | one-time |


### Ultraf Raphael Valve

[App page](https://appshunter.io/ios/app/ultraf-raphael-valve/id6575368654)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Antenna+ free?

Antenna+ is free to download, with in-app purchases available.

### Is Ultraf Raphael Valve free?

Ultraf Raphael Valve is free to download, with no in-app purchases.

### Do Antenna+ or Ultraf Raphael Valve have ads?

Neither Antenna+ nor Ultraf Raphael Valve shows ads.

### Which is updated more often, Antenna+ or Ultraf Raphael Valve?

Antenna+ ships an update every 5 weeks, and Ultraf Raphael Valve every 21 months. Most recently, Antenna+ was updated on November 1, 2026 and Ultraf Raphael Valve on November 4, 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.*