# HamClock vs Ham Callsigns

The clearest difference is price: Ham Callsigns at Free against HamClock's $0.99. Ham Callsigns also leads on rating (4.4 vs 3.0) and update cadence (weekly vs every 4 months). HamClock's advantage is chart position (#95 vs unranked). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Ham Callsigns is free to download; HamClock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ham Callsigns holds the better App Store score, 4.4 against 3.0. Both are backed by a comparable volume of ratings — 24 and 14 respectively. Written reviews point the same way: 48% of HamClock's written reviews are positive against 78% of Ham Callsigns's.

HamClock ships an update every 4 months, Ham Callsigns weekly. The most recent releases landed on October 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | HamClock | Ham Callsigns |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.0 (24 ratings)](https://appshunter.io/ios/app/hamclock/id349645947/reviews) | **[4.4 (14 ratings)](https://appshunter.io/ios/app/ham-callsigns/id1528784706/reviews)** |
| Number of ratings | **24** | 14 |
| Positive reviews | 47.8% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Paid | **Free** |
| Best chart rank | **#95** | — |
| Size | 1 MB | 40 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ben Sinclair](https://appshunter.io/developer/349645950) | [Staton Systems LLC](https://appshunter.io/developer/1528784708) |

## What reviewers say

### HamClock

[App page](https://appshunter.io/ios/app/hamclock/id349645947)

**Currently charting:** #95 Top Paid · Reference (US App Store)

This app provides a clear display of local and UTC time, along with sunrise/sunset and grid square information for amateur radio operators. It features an interactive map to find grid squares and displays the gray line. Optimized for both phone and watch, it's a useful tool for ham radio enthusiasts.

**Highlights:** Local and UTC time display, Sunrise/sunset times, Grid square locator, Interactive grid square map, Gray line display, Watch compatibility

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Ham Callsigns

[App page](https://appshunter.io/ios/app/ham-callsigns/id1528784706)

Instantly look up amateur radio callsigns to find contact details, including distance, bearing, and local time. This reference tool helps ham radio operators quickly access essential information for their communications.

**Highlights:** QRZ callsign lookup, Contact distance and bearing, Local time of contacts, Ham radio reference tool

**In-app purchases:** none


## Frequently asked questions

### Is HamClock free?

HamClock costs $0.99, with no in-app purchases.

### Is Ham Callsigns free?

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

### Which has better reviews, HamClock or Ham Callsigns?

Ham Callsigns is rated higher. HamClock averages 3.0 out of 5 from 24 ratings, while Ham Callsigns averages 4.4 from 14 ratings.

### Do HamClock or Ham Callsigns have ads?

Neither HamClock nor Ham Callsigns shows ads.

### Which is updated more often, HamClock or Ham Callsigns?

HamClock ships an update every 4 months, and Ham Callsigns weekly. Most recently, HamClock was updated on October 7, 2026 and Ham Callsigns on September 23, 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.*