# HamAlert vs Frequency Calculator

The clearest difference is iOS requirement: Frequency Calculator at 13.0 against HamAlert's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

HamAlert ships an update every 5 months, Frequency Calculator every 6 months. The most recent releases landed on October 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | HamAlert | Frequency Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (34 ratings)](https://appshunter.io/ios/app/hamalert/id1200759798/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Free | — |
| Size | 11 MB | 43 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Manuel Kasper](https://appshunter.io/developer/1200759797) | [STAGE CODING, Travnik](https://appshunter.io/developer/1637068135) |

## What reviewers say

### HamAlert

[App page](https://appshunter.io/ios/app/hamalert/id1200759798)

Receive instant push notifications for desired amateur radio contacts. Filter alerts by various criteria like callsign, band, mode, and location. Stay updated on DX spots from multiple sources.

**Highlights:** Push notifications for desired stations, Filter spots by DXCC, callsign, and location, Support for Reverse Beacon Network, SOTAwatch, DX cluster, PSK Reporter, Filter by band, mode, and time, Filter by spotter callsign and DXCC

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

**In-app purchases:** none


### Frequency Calculator

[App page](https://appshunter.io/ios/app/frequency-calculator/id1619685242)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HamAlert free?

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

### Is Frequency Calculator free?

Frequency Calculator is free to download, with no in-app purchases.

### Do HamAlert or Frequency Calculator have ads?

Neither HamAlert nor Frequency Calculator shows ads.

### Which is updated more often, HamAlert or Frequency Calculator?

HamAlert ships an update every 5 months, and Frequency Calculator every 6 months. Most recently, HamAlert was updated on October 16, 2026 and Frequency Calculator on September 17, 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.*