Comparison

HamAlert vs SupplyDen

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HamAlert

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
Read full description

This app is a companion to the HamAlert web site (hamalert.org) and lets you receive push notifications from HamAlert. HamAlert is a system that allows amateur radio operators to get notifications when a desired station appears on the Reverse Beacon Network, SOTAwatch, the DX cluster or PSK Reporter. Spots can be filtered by various criteria, including: • DXCC (both actual and callsign home DXCC) • Callsign • Island reference • Summit reference • Park reference • CQ zone • Continent • Band • Mode • Time and days of week • Source • Spotter callsign and DXCC

About

SupplyDen

Features
Read full description

A smarter way to organize your supplies, gear, and emergency essentials. SupplyDen helps you manage your inventory for home preparedness, camping, van life, overlanding, and everyday readiness — completely offline. Track food, water, tools, medical supplies, camping gear, vehicle equipment, ammunition inventory, and more. Whether you are preparing your home, packing for a trip, managing your van setup, or organizing your overlanding gear, SupplyDen helps you know what you have, where it is, and what you may need next. With the Autonomy dashboard, SupplyDen gives you a quick overview of how many days your registered supplies can support your household. Adjust your household size, monitor your water and food coverage, review items expiring soon, and keep an organized overview of your essential inventory. SupplyDen works fully offline, so your inventory stays available even without internet, cell signal, or cloud access. Your data stays on your device, giving you control, privacy, and access when it matters most. Designed for prepared homes, campers, van lifers, overlanders, and anyone who wants to stay organized and ready. Stay prepared. Stay organized. Keep everything in your den.

Screenshots

HamAlert1 screens
SupplyDen4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
HamAlert versus SupplyDen: the parameters behind the verdict, then further details
ParameterHamAlertSupplyDen
PriceFreeFree
Rating4.2 (29 ratings) — better—
Positive reviews70.0% of reviews—
Number of ratings29 — better—
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size10 MB36 MB
Age rating4+12+
DeveloperManuel KasperJose Ismael Ortiz Santiago

In-app purchases

None

HamAlert

No in-app purchases

None

SupplyDen

No in-app purchases

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.

Other comparisons