HamAlert vs rXg IoT Card
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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 DX cluster, the Reverse Beacon Network, SOTAwatch, POTA, WWFF Spotline, 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
rXg IoT Card
Control and monitor IoT devices like thermostats, locks, and lights remotely. This app connects to the rXg gateway via a RESTful API, requiring a publicly accessible IP and valid SSL certificate for operation. Users can log in by scanning a QR code from the network's captive portal.
- View and change IoT device status
- Connects via rXg RESTful API
- QR code login from captive portal
- Remote thermostat control
- Remote lock management
- Remote light control
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This app is a simplified interface for viewing and changing the status of IoT-enabled thermostats, locks, and lights that are controlled by the RG Nets revenue eXtraction gateway (rXg). The app uses the rXg RESTful API. The rXg must be deployed on a publicly accessible IP, associated with a public DNS record and configured with a valid SSL certificate for this app to function. This app is meant to be used by users of networks that run RG Nets rXg routers. Users of the network will have access to a QR code in the rXg user captive portal that can be scanned using the app, which will log the user into the app. This app is meant for external distribution and is available to anyone who wants to use it and can be purchased by any company. This app will be distributed anywhere in the world.
Screenshots
Verdict
The clearest difference is price: HamAlert at Free against rXg IoT Card's $49.99. HamAlert also leads on ratings volume (34 vs 1). rXg IoT Card's advantage is rating (5.0 vs 4.0) and update cadence (every 6 days vs every 5 months). On 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
HamAlert is free to download; rXg IoT Card costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.
rXg IoT Card holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: HamAlert has 34 ratings behind it against 1, so its average is the more settled of the two.
HamAlert ships an update every 5 months, rXg IoT Card every 6 days. The most recent releases landed on October 20, 2026 and November 3, 2026 respectively.
| Parameter | HamAlert | rXg IoT Card |
|---|---|---|
| Price | Free — better | $49.99 |
| Rating | 4.0 (34 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 34 — better | 1 |
| Update frequency | Every 5 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Manuel Kasper | Aidan Lok |
Customer experience
HamAlert
rXg IoT Card
In-app purchases
HamAlert
No in-app purchases
rXg IoT Card
No in-app purchases
