# Antenna+ vs DA20 M&B

The clearest difference is review sentiment: Antenna+ at 60% against DA20 M&B's 0%. Antenna+ also leads on price (Free vs $1.99) and update cadence (every 5 weeks vs every 6 months). DA20 M&B's advantage is in-app purchases (none vs 2). On ads, monetization model and iOS requirement there is nothing between them.

Antenna+ is free to download; DA20 M&B costs $1.99 up front. Antenna+ sells 2 in-app purchases, starting at $1.99 per month. DA20 M&B asks for nothing beyond the download.

Antenna+ ships an update every 5 weeks, DA20 M&B every 6 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Antenna+ | DA20 M&B |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| 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** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Paid | Paid |
| Size | 11 MB | 15 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPad |
| Age rating | +4 | 4+ |
| Developer | [Verosocial Studio](https://appshunter.io/developer/354566841) | [Pedro Isidoro](https://appshunter.io/developer/1506809339) |

## 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 |


### DA20 M&B

[App page](https://appshunter.io/ios/app/da20-m-and-b/id1553610529)

Calculate aircraft mass and balance with interactive weight input and real-time chart plotting. Supports various aircraft models and generates professional PDF loadsheets. Includes unit conversion and data retention for convenience.

**Highlights:** Interactive weight adding, Real-time chart plotting, Loading chart access, Overweight warnings, PDF loadsheet generation, Unit conversion, Data retention

**In-app purchases:** none


## Frequently asked questions

### Is Antenna+ free?

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

### Is DA20 M&B free?

DA20 M&B costs $1.99, with no in-app purchases.

### Do Antenna+ or DA20 M&B have ads?

Neither Antenna+ nor DA20 M&B shows ads.

### Which is updated more often, Antenna+ or DA20 M&B?

Antenna+ ships an update every 5 weeks, and DA20 M&B every 6 months. Most recently, Antenna+ was updated on November 1, 2026 and DA20 M&B on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*