# HamAlert vs SupplyDen

The clearest difference is update cadence: SupplyDen at every 5 days against HamAlert's every 4 months. SupplyDen also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support 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 4 months, SupplyDen every 5 days. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | HamAlert | SupplyDen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (29 ratings)](https://appshunter.io/ios/app/hamalert/id1200759798/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 10 MB | 36 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Manuel Kasper](https://appshunter.io/developer/1200759797) | [Jose Ismael Ortiz Santiago](https://appshunter.io/developer/1895986198) |

## 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

**In-app purchases:** none


### SupplyDen

[App page](https://appshunter.io/ios/app/supplyden/id6765541283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HamAlert free?

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

### Is SupplyDen free?

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

### Do HamAlert or SupplyDen have ads?

Neither HamAlert nor SupplyDen shows ads.

### Which is updated more often, HamAlert or SupplyDen?

HamAlert ships an update every 4 months, and SupplyDen every 5 days. Most recently, HamAlert was updated on September 17, 2026 and SupplyDen on September 10, 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.*