# HamAntCal vs HAMRS Pro

The clearest difference is rating: HamAntCal at 4.6 against HAMRS Pro's 3.2. HamAntCal also leads on review sentiment (90% vs 54%) and ratings volume (57 vs 14). HAMRS Pro's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 31 months). On ads, device support and iOS requirement there is nothing between them.

HamAntCal costs $0.99 and HAMRS Pro $1.99 up front. HamAntCal sells 1 one-off in-app purchase. HAMRS Pro asks for nothing beyond the download.

HamAntCal holds the better App Store score, 4.6 against 3.2. Both are backed by a comparable volume of ratings — 57 and 14 respectively. Written reviews point the same way: 90% of HamAntCal's written reviews are positive against 54% of HAMRS Pro's.

HamAntCal ships an update every 31 months, HAMRS Pro every 3 weeks. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | HamAntCal | HAMRS Pro |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | **[4.6 (57 ratings)](https://appshunter.io/ios/app/hamantcal/id539373704/reviews)** | [3.2 (14 ratings)](https://appshunter.io/ios/app/hamrs-pro/id6737914760/reviews) |
| Number of ratings | **57** | 14 |
| Positive reviews | **90.0% of reviews** | 53.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#48** |
| Size | 2 MB | 138 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [State Road 41 Apps LLC](https://appshunter.io/developer/986230800) | [Cabin Interactive, LLC](https://appshunter.io/developer/1778489847) |

## What reviewers say

### HamAntCal

[App page](https://appshunter.io/ios/app/hamantcal/id539373704)

This app helps amateur radio operators calculate the starting lengths for various antenna types. It supports both imperial and metric units and offers adjustable calculations for inverted vee antennas based on wire angle. Results require final trimming for precise tuning.

**Highlights:** Calculate antenna starting lengths, Supports feet/inches and metric units, Calculates for Dipoles, Inverted Vee, and Verticals, Adjustable Inverted Vee angle calculation, Frequency range 30 KHz to 500 MHz (Inverted Vee up to 60 MHz), Updated interface and settings

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Features upgrade | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick calculations
- 💡 Visually clear concepts
- 👍 Great tool for ham radio
- 👍 Useful for field use

**What reviewers complain about**

- 🤔 Lacks visual aids/pictures
- 🤔 Limited to basic calculations
- 🐛 Not working with iOS 11 (historical)
- 🐛 Needs UHF & above support
- 🐛 Incorrect calculation for inverted V

**Reported bugs**

- No longer works with IOS 11 (historical)
- App is wrong on inverted V
- Inverted V issue: leg length calculation seems incorrect
- Calculation for inverted V seems incorrect

**Requested features**

- Add support for UHF frequencies and higher
- Add velocity factor and radiating element size as variables
- Add suggestion: input target and measured frequency to show trim/add amount
- Add Inverted Vee mode to calculate height to top and end-to-end distance
- Add trap calculations for common bands


### HAMRS Pro

[App page](https://appshunter.io/ios/app/hamrs-pro/id6737914760)

**Currently charting:** #48 Top Paid · Utilities (US App Store)

This is a portable logging application designed for amateur radio enthusiasts participating in outdoor activities. It simplifies the process of recording contacts during events like POTA and SOTA.

**Highlights:** Portable logging, POTA support, SOTA support, Field Day logging, Simple interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HamAntCal free?

HamAntCal costs $0.99, and also offers in-app purchases.

### Is HAMRS Pro free?

HAMRS Pro costs $1.99, with no in-app purchases.

### Which has better reviews, HamAntCal or HAMRS Pro?

HamAntCal is rated higher. HamAntCal averages 4.6 out of 5 from 57 ratings, while HAMRS Pro averages 3.2 from 14 ratings.

### Do HamAntCal or HAMRS Pro have ads?

Neither HamAntCal nor HAMRS Pro shows ads.

### Which is updated more often, HamAntCal or HAMRS Pro?

HamAntCal ships an update every 31 months, and HAMRS Pro every 3 weeks. Most recently, HamAntCal was updated on October 11, 2026 and HAMRS Pro on October 16, 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.*